332354 + Interview Questions in Secondary School in Math

1.	Please answer kinda important
Answer» Step-by-step EXPLANATION: $\sqrt[3]{ a}$ = $2 {x}^{2} \sqrt[3]{3}$ CUBING on both sides a= $24 {x}^{6}$

1.

Please answer kinda important

Answer»

Step-by-step EXPLANATION:

$\sqrt[3]{ a}$

=

$2 {x}^{2} \sqrt[3]{3}$

CUBING on both sides

a=

$24 {x}^{6}$

Discussion

2.	A+a/2=27, find its value
Answer» Step-by-step EXPLANATION: $a + \frac{a}{2 } = 27 \\ \frac{2a + a}{2 } = 27 \\ \frac{3a}{2} = 27 \\ 3a = 54 \\ a = \frac{54}{3 } \\ a = 18$

2.

A+a/2=27, find its value

Answer»

Step-by-step EXPLANATION:

$a + \frac{a}{2 } = 27 \\ \frac{2a + a}{2 } = 27 \\ \frac{3a}{2} = 27 \\ 3a = 54 \\ a = \frac{54}{3 } \\ a = 18$

Discussion

3.	Please solve the given question it's urgent
Answer» ANSWER: 11/10 mark BRAINLIEST and FOLLOW me for more answer

3.

Please solve the given question it's urgent

Answer»

ANSWER:

11/10

mark BRAINLIEST and FOLLOW me for more answer

Discussion

4.	Q.16I sit here? (Choose anappropriate modal.) *OughtHave toMayHas to
Answer» Answer -- May I SIT here ? *MARK* *Brainliest* *Follow* Me

4.

Q.16I sit here? (Choose anappropriate modal.) *OughtHave toMayHas to

Answer»

Answer --

May I SIT here ?

MARK Brainliest

Follow Me

Discussion

5.	ABCD is a cyclic quadrilateral in which ZDBC= 80° and ZBAC = 40°. Find ZBCD.
Answer» Answer: 120° Step-by-step EXPLANATION: please make it BRAINLIEST answerand FOLLOW me

5.

ABCD is a cyclic quadrilateral in which ZDBC= 80° and ZBAC = 40°. Find ZBCD.

Answer»

Answer:

120°

Step-by-step EXPLANATION:

please make it BRAINLIEST answerand FOLLOW me

Discussion

6.	A+a/2=27 find its value
Answer» HOPE this ANSWER HELPS you...

Discussion

7.	A platter holds 24 strawberries, 2 apples, and 16 are oranges. What fraction of all the fruit are strawberries? What fraction are apples? What fraction are oranges?
Answer» ANSWER: hahaha Step-by-step EXPLANATION: whhswhhwwhwahahahha

7.

A platter holds 24 strawberries, 2 apples, and 16 are oranges. What fraction of all the fruit are strawberries? What fraction are apples? What fraction are oranges?

Answer»

ANSWER:

hahaha

Step-by-step EXPLANATION:

whhswhhwwhwahahahha

Discussion

8.	A loan of $8000 was repaid in 24 equal monthly instalments of$400. the rate of interest on the loan wasa. 5%b.8 1/3%c. 16 1/3%d. 20%
Answer» OPTION (d) is the answer 20%

8.

A loan of $8000 was repaid in 24 equal monthly instalments of$400. the rate of interest on the loan wasa. 5%b.8 1/3%c. 16 1/3%d. 20%

Answer»

OPTION (d) is the answer

20%

Discussion

9.	If the radius of plate is 7cm ,what its diameter
Answer» Answer: Step-by-Find the DIAMETER of the circle below. find radius Radius = 7 cm Diameter = 7 cm × 2 = 14 cmstep explanation:

9.

If the radius of plate is 7cm ,what its diameter

Answer»

Answer:

Step-by-Find the DIAMETER of the circle below.

find radius

Radius = 7 cm

Diameter = 7 cm × 2 = 14 cmstep explanation:

Discussion

10.	5 pencils and 7 pens together cost Rs. UIcost Rs. 46. Find the cost of one pencil and one pen.सिद्ध करें कि यदि दो त्रिभुजों में, संगत कोण बराबर हों, तो उनकी संगत भुजाएँ एक ही अनुपात में(समानुपाती) होती हैं और इसलिए ये दोनों त्रिभुज समरूप होते हैं।
Answer» 9A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in WATER droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. RAINBOWS caused by sunlight always APPEAR in the section of sky DIRECTLY opposite the sun.

Discussion

11.	The pair of equations x=and y=b graphically represents lines which are
Answer» The equations are x=a and y=B. The graph of x=a is a LINE PARALLEL to y-axis and y=b is a line parallel to x-axis. ∴ the angle between them is 90 o , i.e. they intersect. So, the equations are consistent. Now SOLVING simultaneously, the solution is (a,b). So, the POINT of intersection is (a,b).

11.

The pair of equations x=and y=b graphically represents lines which are

Answer»

The equations are x=a and y=B.

The graph of x=a is a LINE PARALLEL to y-axis and y=b is a line parallel to x-axis.

∴ the angle between them is 90

o

, i.e. they intersect.

So, the equations are consistent.

Now SOLVING simultaneously, the solution is (a,b).

So, the POINT of intersection is (a,b).

Discussion

12.	Ex (f(x) + f1 (x) dx) =
Answer» Step-by-step EXPLANATION: Integral of the TYPE e^x[F(x) + f ‘(x)]dx To begin with, let’s say I = ∫ ex [f(x) + f ’(x)] dx Opening the brackets, we get, I = ∫ ex f(x) dx + ∫ ex f ’(x) dx = I1 + ∫ ex f ’(x) dx … (1) Where, I1 = ∫ ex f(x) dx To solve I1, we will use integration by parts. Let the FIRST function = f1(x) = f(x) and the second function = g1(x) = ex. Therefore, I1 = f(x) ∫ ex dx – ∫ [df(x)/dx ∫ ex dx] dx Or, I1 = ex f(x) – ∫ ex f ’(x) dx + C Substituting the value of I1 in equation (1), we get I = ex f(x) – ∫ ex f ’(x) dx + ∫ ex f ’(x) dx + C = ex f(x) + C Thus, ∫ ex [f(x) + f ’(x)] dx = ex f(x) + C … (2)

12.

Ex (f(x) + f1 (x) dx) =

Answer»

Step-by-step EXPLANATION:

Integral of the TYPE e^x[F(x) + f ‘(x)]dx

To begin with, let’s say

I = ∫ ex [f(x) + f ’(x)] dx

Opening the brackets, we get,

I = ∫ ex f(x) dx + ∫ ex f ’(x) dx = I1 + ∫ ex f ’(x) dx … (1)

Where, I1 = ∫ ex f(x) dx

To solve I1, we will use integration by parts. Let the FIRST function = f1(x) = f(x) and the second function = g1(x) = ex. Therefore,

I1 = f(x) ∫ ex dx – ∫ [df(x)/dx ∫ ex dx] dx

Or, I1 = ex f(x) – ∫ ex f ’(x) dx + C

Substituting the value of I1 in equation (1), we get

I = ex f(x) – ∫ ex f ’(x) dx + ∫ ex f ’(x) dx + C = ex f(x) + C

Thus, ∫ ex [f(x) + f ’(x)] dx = ex f(x) + C … (2)

Discussion

13.	Draw the mirror image of 8 is ans is 8
Answer» HNJI............. Step-by-step EXPLANATION: PLZ mark me BRAINLIST and thanks by

13.

Draw the mirror image of 8 is ans is 8

Answer»

HNJI.............

Step-by-step EXPLANATION:

PLZ mark me BRAINLIST and thanks by

Discussion

14.	What determines the rate at which energy is delivered by a current ...
Answer» Step-by-step explanation: The rate of CONSUMPTION of electric energy in an electric APPLIANCE is called electric POWER. Hence, the rate at which energy is DELIVERED by a current is the power of the appliance.

14.

What determines the rate at which energy is delivered by a current ...

Answer»

Step-by-step explanation:

The rate of CONSUMPTION of electric energy in an electric APPLIANCE is called electric POWER. Hence, the rate at which energy is DELIVERED by a current is the power of the appliance.

Discussion

15.	Factorise:8(x+y)³+27(x-y) ³
Answer» ANSWER: Step-by-step EXPLANATION: ANSWER 8(X+y) 3 −27(x−y) 3 =[2(x+y)] 3 −[3(x−y)] 3 =[2(x+y)−3(x−y)][(2(x+y)) 2 +2(x+y)×3(x−y)+(3(x−y)) 2 ] =(2x+2y−3x+3y)[4(x 2 +2xy+y 2 )+6(x 2 −y 2 )+9(x 2 −2xy+y 2 )] =(−x+5y)(4X 2 +8xy+4y 2 +6X 2 −6y 2 +9x 2 −18xy+9y 2 ) =(−x+5y)(19x 2 −10xy+7y 2 )

15.

Factorise:8(x+y)³+27(x-y) ³

Answer»

ANSWER:

Step-by-step EXPLANATION:

ANSWER

8(X+y)

3

−27(x−y)

3

=[2(x+y)]

3

−[3(x−y)]

3

=[2(x+y)−3(x−y)][(2(x+y))

2

+2(x+y)×3(x−y)+(3(x−y))

2

]

=(2x+2y−3x+3y)[4(x

2

+2xy+y

2

)+6(x

2

−y

2

)+9(x

2

−2xy+y

2

)]

=(−x+5y)(4X

2

+8xy+4y

2

+6X

2

−6y

2

+9x

2

−18xy+9y

2

)

=(−x+5y)(19x

2

−10xy+7y

2

)

Discussion

16.	The entrance fee at a science museum is rs . 50 . Senior citizens receive aap per cent discount . How much fee does a senior citizen pay.
Answer» ANSWER: PLZ ASK it CORRECTLY OK .

16.

The entrance fee at a science museum is rs . 50 . Senior citizens receive aap per cent discount . How much fee does a senior citizen pay.

Answer»

ANSWER:

PLZ ASK it CORRECTLY OK

.

Discussion

17.	এ. মামিন।টঙ্গী, গাজীপুরশ্রেণীঃ ৯মপদার্থএ্যাসাইন্টমেন্টের অধ্যায় ও বিষয়ৰণুর হিরোনামএমাইনটেলিখারিতকালসুচন নিদেশ১। স্থির অবস্থান থেকে যাত্রা শুরু করে 600kg ভরের \| ক. নিউটনের ৩য় সূত্রটি সঠিকভাবে লিখতে পারা।একটি গাড়ি 0.2m/sসুষম ত্বরণে 60s চলার পর \| খ, গতি জড়তার আলােকে সঠিকভাবে ব্যাখ্যা করতে পারা।400kg ভরের একটি স্থির পিকআপ ভ্যানের সাথে গ. সঠিক সূত্র লিখে প্রযুক্ত বলের মান নির্ণয় করতে পারা।ধাক্কা খেয়ে আটকে একত্রে 7.2m/s বেগে চলতে ঘ. উদ্দীপকের আলােকে আদি ভরবেগ ও শেষ ভরবেগথাকে।নির্ণয়পূর্বক সঠিক মতামত প্রদান তে গারা।ক. নিউটনের তৃতীয় সূত্রটি বিবৃত কর।খ, বৈদ্যুতিক পাখার সুইচ বন্ধ করার সাথে সাথে খেমেযায় না কেন- ব্যাখ্যা কর।গ. প্রথম গাড়িতে প্রযুক্ত বলের মান নির্ণয় কর।ঘ. উদ্দীপকের ঘটনা ভরবেগের সংরক্ষণশীলতার সুত্রসমর্থন করে কি? গাণিতিক বিশ্লেষণের মাধ্যমেমতামত দাও।
Answer» ANSWER: THANKS FOR FREE POINTS

17.

এ. মামিন।টঙ্গী, গাজীপুরশ্রেণীঃ ৯মপদার্থএ্যাসাইন্টমেন্টের অধ্যায় ও বিষয়ৰণুর হিরোনামএমাইনটেলিখারিতকালসুচন নিদেশ১। স্থির অবস্থান থেকে যাত্রা শুরু করে 600kg ভরের | ক. নিউটনের ৩য় সূত্রটি সঠিকভাবে লিখতে পারা।একটি গাড়ি 0.2m/sসুষম ত্বরণে 60s চলার পর | খ, গতি জড়তার আলােকে সঠিকভাবে ব্যাখ্যা করতে পারা।400kg ভরের একটি স্থির পিকআপ ভ্যানের সাথে গ. সঠিক সূত্র লিখে প্রযুক্ত বলের মান নির্ণয় করতে পারা।ধাক্কা খেয়ে আটকে একত্রে 7.2m/s বেগে চলতে ঘ. উদ্দীপকের আলােকে আদি ভরবেগ ও শেষ ভরবেগথাকে।নির্ণয়পূর্বক সঠিক মতামত প্রদান তে গারা।ক. নিউটনের তৃতীয় সূত্রটি বিবৃত কর।খ, বৈদ্যুতিক পাখার সুইচ বন্ধ করার সাথে সাথে খেমেযায় না কেন- ব্যাখ্যা কর।গ. প্রথম গাড়িতে প্রযুক্ত বলের মান নির্ণয় কর।ঘ. উদ্দীপকের ঘটনা ভরবেগের সংরক্ষণশীলতার সুত্রসমর্থন করে কি? গাণিতিক বিশ্লেষণের মাধ্যমেমতামত দাও।

Answer»

ANSWER:

THANKS FOR FREE POINTS

Discussion

18.	Integration of x^2019 dx limits 2 to -2 1). 02). 20203). 44). 4040
Answer» Answer: 3 is CORRECT BRANILIST PLEASE

18.

Integration of x^2019 dx limits 2 to -2 1). 02). 20203). 44). 4040

Answer»

Answer:

3 is CORRECT BRANILIST PLEASE

Discussion

19.	Plz plz answer it fast
Answer» ANSWER: OPTION (d) 35degree is the RIGHT answer...

19.

Plz plz answer it fast

Answer»

ANSWER:

OPTION (d) 35degree is the RIGHT answer...

Discussion

20.	The value of n²+2n[1+2+3+......+(n-1)] is
Answer» Answer: n²+2n[1+2+3+....+(N-1)] =n²+2n[n-1(n-1+1)/2] =n²+n[n-1(n)] =n²+n[n²-n] =n²+n³-n² =n³ I hope this answer MAY HELP you DEAR

20.

The value of n²+2n[1+2+3+......+(n-1)] is

Answer»

Answer:

n²+2n[1+2+3+....+(N-1)]

=n²+2n[n-1(n-1+1)/2]

=n²+n[n-1(n)]

=n²+n[n²-n]

=n²+n³-n²

=n³

I hope this answer MAY HELP you DEAR

Discussion

21.	If tan theta= 3by 4, find all other t-ratios
Answer» ANSWER: SIN THETA 3BY 5 cos theta 4by5

21.

If tan theta= 3by 4, find all other t-ratios

Answer»

ANSWER:

SIN THETA 3BY 5

cos theta 4by5

Discussion

22.	Unit 1 lesson 4 responsibility section c
Answer» ANSWER: what is your QUESTION ASK I will answer

22.

Unit 1 lesson 4 responsibility section c

Answer»

ANSWER:

what is your QUESTION ASK I will answer

Discussion

23.	If x - 1 is a factor of x3 – 2ax2 + 16, then find the value of ‘a’.
Answer» Answer: 8.5 Step-by-step EXPLANATION: x-1 = 0 ∴ x = 1 By substituting the VALUE of x in the equation p(x) = x³ - 2ax² + 16 =0 = (1)³ - 2a(1)² + 16 =0 = 1 -2a +16=0 2a = 17 ∴ a = 17/2 = 8.5 Hope this HELPS you.

23.

If x - 1 is a factor of x3 – 2ax2 + 16, then find the value of ‘a’.

Answer»

Answer:

8.5

Step-by-step EXPLANATION:

x-1 = 0

∴ x = 1

By substituting the VALUE of x in the equation

p(x) = x³ - 2ax² + 16 =0

= (1)³ - 2a(1)² + 16 =0

= 1 -2a +16=0

2a = 17

∴ a = 17/2

= 8.5

Hope this HELPS you.

Discussion

24.	ঢাকা ও টোকিওর স্থানীয় সময়ের ব্যবধান ৩ ঘন্টা ১৭ মিনিট ১৬ সেকেন্ড। টোকিওর দ্রাঘিমা ১৩৯° ৪৫′ পূর্ব হলে ঢাকার দ্রঘিমা কত?
Answer» ANSWER: wowrhdkanfbtksnjfis cjektbfiajgbcktm

24.

ঢাকা ও টোকিওর স্থানীয় সময়ের ব্যবধান ৩ ঘন্টা ১৭ মিনিট ১৬ সেকেন্ড। টোকিওর দ্রাঘিমা ১৩৯° ৪৫′ পূর্ব হলে ঢাকার দ্রঘিমা কত?

Answer»

ANSWER:

wowrhdkanfbtksnjfis cjektbfiajgbcktm

Discussion

25.	If tanthita =8 by 15, find sinthitafind sin thita and cos thita
Answer» PLZ CHECK the SOLUTION GIVEN below

Discussion

26.	Sanja made a hole-in-one on the sixth hole of miniature golf 8 times and missed it 4 times. If Sanja attempts 24 more holes-in-one, how many should she expect to make successfully?
Answer» Answer: 12 Step-by-step explanation: 8 ATTEMPTS =4successful 24attempts = 4/8×24 = 12

26.

Sanja made a hole-in-one on the sixth hole of miniature golf 8 times and missed it 4 times. If Sanja attempts 24 more holes-in-one, how many should she expect to make successfully?

Answer»

Answer:

12

Step-by-step explanation:

8 ATTEMPTS =4successful

24attempts = 4/8×24

= 12

Discussion

27.	1. 8, 11, 14, 17, 20, ...
Answer» ANSWER: 23,26 because there is DIFFERENCE of 3 in each term. mark me BRAINLIST, THANKS my answer

27.

1. 8, 11, 14, 17, 20, ...

Answer»

ANSWER:

23,26 because there is DIFFERENCE of 3 in each term.

mark me BRAINLIST, THANKS my answer

Discussion

28.	if the lateral surface area of a cylinder is 132 CM square and it's height is 6 CM then find the radius and volume of cylinder
Answer» Answer: 3.5 cm Step-by-step explanation: LATERAL SURFACE AREA of cylinder = 2πrh 132 = 2×22/7×r×6 132×7/2×22×6=r 7/2=r 3.5=r

28.

if the lateral surface area of a cylinder is 132 CM square and it's height is 6 CM then find the radius and volume of cylinder

Answer»

Answer:

3.5 cm

Step-by-step explanation:

LATERAL SURFACE AREA of cylinder = 2πrh

132 = 2×22/7×r×6

132×7/2×22×6=r

7/2=r

3.5=r

Discussion

29.	What are the cardinal in Z=the set of prime numbers from 2 to 11
Answer» ANSWER: integers Step-by-step explanation: 20 thanks+follow=inbox

29.

What are the cardinal in Z=the set of prime numbers from 2 to 11

Answer»

ANSWER:

integers

Step-by-step explanation:

20 thanks+follow=inbox

Discussion

30.	Х -24फोटो पर एक्स माइनस टू ग्रेटर थन ओर इक्वल टो 4
Answer» Answer: Hello dear please WRITE QUESTION in ENGLISH language OK

30.

Х -24फोटो पर एक्स माइनस टू ग्रेटर थन ओर इक्वल टो 4

Answer»

Answer:

Hello dear please WRITE QUESTION in ENGLISH language OK

Discussion

31.	Pls tell the answer Pls pls pls
Answer» Answer: 9. 1 crore 10. L DONT know the answer 11. 58 12.dont know the answer

31.

Pls tell the answer Pls pls pls

Answer»

Answer:

9. 1 crore

10. L DONT know the answer

11. 58

12.dont know the answer

Discussion

32.	If 30+70=2,40+60=10,50+50=20,60+40=?
Answer» Answer: 30 is the answer Step-by-step explanation: 20 thanks+follow=inbox

32.

If 30+70=2,40+60=10,50+50=20,60+40=?

Answer»

Answer:

30 is the answer

Step-by-step explanation:

20 thanks+follow=inbox

Discussion

33.	Mr kumar went to shopping with his family to a mall. mrs kumar bought a saree for rs 12500 clothes for the kids for rs9280 and a shirt for 10445. if the gst charged on the purchases is 12% then what is the total amount that mr kumar had paid ?
Answer» ANSWER: Since corona VIRUS has outbroke...so mr kumar couldn't afford these COSTLY items....TOTAL amount =0

33.

Mr kumar went to shopping with his family to a mall. mrs kumar bought a saree for rs 12500 clothes for the kids for rs9280 and a shirt for 10445. if the gst charged on the purchases is 12% then what is the total amount that mr kumar had paid ?

Answer»

ANSWER:

Since corona VIRUS has outbroke...so mr kumar couldn't afford these COSTLY items....TOTAL amount =0

Discussion

34.	☝️ CHALLENGE CHALLENGE CHALLENGEfor greater class also.this question is of class 6 . answer is option (A) 7 but how explain if you not get chance this time you go in my profile answer in another question their are 5 answer left to do .do it fast . I will merk you brainlist.do not spam
Answer» ANSWER: answer is 7. hope it HELPS you MARK BRAINLIST

34.

☝️ CHALLENGE CHALLENGE CHALLENGEfor greater class also.this question is of class 6 . answer is option (A) 7 but how explain if you not get chance this time you go in my profile answer in another question their are 5 answer left to do .do it fast . I will merk you brainlist.do not spam

Answer»

ANSWER:

answer is 7.

hope it HELPS you MARK BRAINLIST

Discussion

35.	Write 5 rational numbers between 1/2and 1/4 ........
Answer» Step-by-step explanation: LCM(2,4)=4 $\frac{1}{2} = \frac{1 \times 2}{2 \times 2} = \frac{2}{20}$ $\frac{2}{20} = \frac{2 \times 2}{20 \times 2} = \frac{4}{40}$ $\frac{1}{4} = \frac{1 \times 10}{4 \times 10} = \frac{10}{40}$ 5 RATIONAL numbers between $\frac{4}{40} and \frac{10}{40} are \frac{5}{40} . \frac{6}{40} . \frac{7}{40} . \frac{8}{40} . \frac{9}{40}$ Hope it HELPS you

35.

Write 5 rational numbers between 1/2and 1/4 ........

Answer»

Step-by-step explanation:

LCM(2,4)=4

$\frac{1}{2} = \frac{1 \times 2}{2 \times 2} = \frac{2}{20}$

$\frac{2}{20} = \frac{2 \times 2}{20 \times 2} = \frac{4}{40}$

$\frac{1}{4} = \frac{1 \times 10}{4 \times 10} = \frac{10}{40}$

5 RATIONAL numbers between

$\frac{4}{40} and \frac{10}{40} are \frac{5}{40} . \frac{6}{40} . \frac{7}{40} . \frac{8}{40} . \frac{9}{40}$

Hope it HELPS you

Discussion

36.	The sum of the numbers a and b is 9, whereas their product is 20. Find(i) a3+ b3 (ii) a2– ab + b2
Answer» Answer: 1 . 189 2. 21 Step-by-step EXPLANATION: using SIMPLE ALGEBRAIC FORMULAE

36.

The sum of the numbers a and b is 9, whereas their product is 20. Find(i) a3+ b3 (ii) a2– ab + b2

Answer»

Answer:

1 . 189

2. 21

Step-by-step EXPLANATION:

using SIMPLE ALGEBRAIC FORMULAE

Discussion

37.	Integrate sin^2 into log x by X
Answer» Solution:- $: \implies\rm \int \dfrac{ \sin^{2} log x }{x} \: dx \\$ :- USING substitution method $\rm \: let$ $\rm\to \: logx = t$ :- differentiate on both side $\rm \to \dfrac{1}{x} dx= dt$ Now take $: \implies\rm \int \dfrac{ \sin^{2} log x }{x} \: dx \\$ $\rm : \implies \int { \sin {}^{2} t} \: dt \\$ Now we can write $\rm \to1 - 2 \sin {}^{2} t = \cos2t$ $\rm \to \: 1 - \cos2t = 2 \sin {}^{2} t$ $\rm \to \sin {}^{2} t = \dfrac{1 - \cos2t}{2}$ Now substitute the value of sin²t $\rm : \implies \int \dfrac{1 - \cos2t }{2} dt \\$ Take 1/2 out side the integration because it is constant TERM $\rm : \implies \dfrac{1}{2} \int1 - \cos2t \: dt \\$ By integration we get $\rm : \implies \: \dfrac{1}{2} \bigg(t - \dfrac{1}{2} \sin2t \bigg) + c$ $\rm : \implies \dfrac{1}{2} t - \dfrac{1}{4} \sin2t + c$ Now PUT the value of t $\rm : \implies \dfrac{1}{2} logx - \dfrac{1}{4} \sin2 logx + c$ ANSWER $\rm : \implies \dfrac{1}{2} logx - \dfrac{1}{4} \sin2 logx + c$

37.

Integrate sin^2 into log x by X

Answer»

Solution:-

$: \implies\rm \int \dfrac{ \sin^{2} log x }{x} \: dx \\$

:- USING substitution method

$\rm \: let$

$\rm\to \: logx = t$

:- differentiate on both side

$\rm \to \dfrac{1}{x} dx= dt$

Now take

$: \implies\rm \int \dfrac{ \sin^{2} log x }{x} \: dx \\$

$\rm : \implies \int { \sin {}^{2} t} \: dt \\$

Now we can write

$\rm \to1 - 2 \sin {}^{2} t = \cos2t$

$\rm \to \: 1 - \cos2t = 2 \sin {}^{2} t$

$\rm \to \sin {}^{2} t = \dfrac{1 - \cos2t}{2}$

Now substitute the value of sin²t

$\rm : \implies \int \dfrac{1 - \cos2t }{2} dt \\$

Take 1/2 out side the integration because it is constant TERM

$\rm : \implies \dfrac{1}{2} \int1 - \cos2t \: dt \\$

By integration we get

$\rm : \implies \: \dfrac{1}{2} \bigg(t - \dfrac{1}{2} \sin2t \bigg) + c$

$\rm : \implies \dfrac{1}{2} t - \dfrac{1}{4} \sin2t + c$

Now PUT the value of t

$\rm : \implies \dfrac{1}{2} logx - \dfrac{1}{4} \sin2 logx + c$

ANSWER

$\rm : \implies \dfrac{1}{2} logx - \dfrac{1}{4} \sin2 logx + c$

Discussion

38.	Plzz answer me friends
Answer» Answer: DURHAM Cuban vixen BUNCH vixen CHICO HUGH BRUNCH check

38.

Plzz answer me friends

Answer»

Answer:

DURHAM Cuban vixen BUNCH vixen CHICO HUGH BRUNCH check

Discussion

39.	2substitute the number 2 for the vuiue of naz2+1az =WINsimplify by adding the second term and the constant iFinal answer.
Answer» ANSWER: Please can i have BRAINLIEST I WOULD very appreciate it Soo MUCH? Step-by-step EXPLANATION:

39.

2substitute the number 2 for the vuiue of naz2+1az =WINsimplify by adding the second term and the constant iFinal answer.

Answer»

ANSWER:

Please can i have BRAINLIEST I WOULD very appreciate it Soo MUCH?

Step-by-step EXPLANATION:

Discussion

40.	List out types of triangles
Answer» Answer: EQUILATERAL triangle, scalene triangle and isosceles triangle Step-by-step EXPLANATION: here is your answer

40.

List out types of triangles

Answer»

Answer:

EQUILATERAL triangle, scalene triangle and isosceles triangle

Step-by-step EXPLANATION:

here is your answer

Discussion

41.	Please help me Pls pls pls pls
Answer» ANSWER: Q.6 answer is c.4 angles are there in the figure. Q.7 answer is a.1769000. I HOPE you got your answer and understood that. Thank you for GIVING me the opportunity to answer your question. Please MARK me as brainlist.

41.

Please help me Pls pls pls pls

Answer»

ANSWER:

Q.6

answer is c.4 angles are there in the figure.

Q.7

answer is a.1769000.

I HOPE you got your answer and understood that.

Thank you for GIVING me the opportunity to answer your question.

Please MARK me as brainlist.

Discussion

42.	ক্তিগত জীবনে তথ্য ও যােগাযােগ প্রযুক্তির গুরুত্ব বিশ্লেষণ করেপ্রযুক্তি নির্ভর বিশ্ব শিরােনামে একটি প্রবন্ধ লিখ (২০০ শব্দেরধ্যে)।প্রবন্ধে যা যা থাকবে-ভূমিকাব্যক্তিগত জীবনে তথ্য ও যােগাযােগ প্রযুক্তিব্যবহারেরক্ষেত্রসমূহব্যক্তিগত জীবনে তথ্য ও যােগাযে৷ “পযুক্তি ব্যবহারের গুরুত্বউপসংহার ]
Answer» Answer: if a perpendicular is drawn from the vertex of a right triangle to the hypotenuse than the triangle on the both SIDES of prependicular are similar to the whole triangle and to each other Step-by-step EXPLANATION: SORRY

42.

ক্তিগত জীবনে তথ্য ও যােগাযােগ প্রযুক্তির গুরুত্ব বিশ্লেষণ করেপ্রযুক্তি নির্ভর বিশ্ব শিরােনামে একটি প্রবন্ধ লিখ (২০০ শব্দেরধ্যে)।প্রবন্ধে যা যা থাকবে-ভূমিকাব্যক্তিগত জীবনে তথ্য ও যােগাযােগ প্রযুক্তিব্যবহারেরক্ষেত্রসমূহব্যক্তিগত জীবনে তথ্য ও যােগাযে৷ “পযুক্তি ব্যবহারের গুরুত্বউপসংহার ]

Answer»

Answer:

if a perpendicular is drawn from the vertex of a right triangle to the hypotenuse than the triangle on the both SIDES of prependicular are similar to the whole triangle and to each other

Step-by-step EXPLANATION:

SORRY

Discussion

43.	How to draw the graph of y-2=0
Answer» ANSWER: HOPE it HELPS you ...........

43.

How to draw the graph of y-2=0

Answer»

ANSWER:

HOPE it HELPS you ...........

Discussion

44.	Factorise: (x+1)³+(x-1)³
Answer» Step-by-step explanation: HEY mate i hv DONE it u can CHECK it although

44.

Factorise: (x+1)³+(x-1)³

Answer»

Step-by-step explanation:

HEY mate i hv DONE it u can CHECK it although

Discussion

45.	Y varies directly as x. If y= -4 when x = 3, find x when y = 8.
Answer» ANSWER: the VALUE of X=6.......

45.

Y varies directly as x. If y= -4 when x = 3, find x when y = 8.

Answer»

ANSWER:

the VALUE of X=6.......

Discussion

46.	NWrite the given nth term / equation of the sequence7+1substitute the number 1 for the value of n1+101simplify by adding the first term and the constant i2Final answer.
Answer» ANSWER: DONOT KNOW Step-by-step EXPLANATION: donot know donot know

46.

NWrite the given nth term / equation of the sequence7+1substitute the number 1 for the value of n1+101simplify by adding the first term and the constant i2Final answer.

Answer»

ANSWER:

DONOT KNOW

Step-by-step EXPLANATION:

donot know donot know

Discussion

47.	1.Draw a diagram of following terms and also write its/>area :-(2x2y=5)(a)Square
Answer» ANSWER: HEY i don't KNOW the answer but please MARK me brainliest

47.

1.Draw a diagram of following terms and also write its/>area :-(2x2y=5)(a)Square

Answer»

ANSWER:

HEY i don't KNOW the answer but please MARK me brainliest

Discussion

48.	Find the ratio in which the line segment joining the points (3.-5) and(-4, 2) is divided by the y-axis. Also find the coordinates of the point of division
Answer» Answer: $\bigstar{\bold{Ratio=3:<klux>4</klux>}}$ $\bigstar{\bold{Coordinates=(0,-2)}}$ Step-by-step explanation: $\Large{\underline{\rm{Given:}}}$ Point A (3, -5) Point B (-4,2) $\Large{\underline{\rm{To\:Find:}}}$ Ratio in which the line segment is divided by they y axis Coordinates of the point of division $\Large{\underline{\rm{Solution:}}}$ ➛ Here we have to first find the ratio in which the line segment is divided. ➛ LET us assume it is divided in the ratio K : 1. ➛ By section formula, $\tt (x,y)=\bigg(\dfrac{m_1x_2+m_2x_1}{m_1+m_2} ,\dfrac{m_1y_2+m_2y_1}{m_1+m_2}\bigg)$ ➛ Here given that the line segment is divided by the y axis. ➛ Hence the coordinates of point of division are (0, y). Here x = 0, y = y, m₁ = k, m₂ = 1, x₁ = 3, x₂ = -4, y₁ = -5, y₂ = 2 ➛ SUBSTITUTING the datas we get, $\tt (0,y)=\bigg(\dfrac{-4k+3}{k+1} ,\dfrac{2k-5}{k+1} \bigg)$ ➛ Equating the x coordinate we get, $\tt \dfrac{-4k + 3}{k+1}=0$ ➛ Cross multiplying, -4k + 3 = 0 -4k = -3 k = 3/4 ➛ Hence the line segment is divided in the ratio 3 : 4. $\boxed{\bold{Ratio=3:4}}$ ➛ Now FINDING the coordinates of point of division, ➛ Equating the y coordinate, $\tt \dfrac{2k-5}{k+1} =y$ ➛ Substitute the value of k and cross multiply, 2 × 3/4 - 5 = y ( 3/4 + 1) 6/4 - 5 = 7/4 × y (6 - 20)/4 = 7/4 × y 7y = - 14 y = -2 ➛ Hence the coordinates of point of division are (0, -2). $\boxed{\bold{Coordinates=(0,-2)}}$

48.

Find the ratio in which the line segment joining the points (3.-5) and(-4, 2) is divided by the y-axis. Also find the coordinates of the point of division

Answer»

Answer:

$\bigstar{\bold{Ratio=3:<klux>4</klux>}}$

$\bigstar{\bold{Coordinates=(0,-2)}}$

Step-by-step explanation:

$\Large{\underline{\rm{Given:}}}$

Point A (3, -5)
Point B (-4,2)

$\Large{\underline{\rm{To\:Find:}}}$

Ratio in which the line segment is divided by they y axis
Coordinates of the point of division

$\Large{\underline{\rm{Solution:}}}$

➛ Here we have to first find the ratio in which the line segment is divided.

➛ LET us assume it is divided in the ratio K : 1.

➛ By section formula,

$\tt (x,y)=\bigg(\dfrac{m_1x_2+m_2x_1}{m_1+m_2} ,\dfrac{m_1y_2+m_2y_1}{m_1+m_2}\bigg)$

➛ Here given that the line segment is divided by the y axis.

➛ Hence the coordinates of point of division are (0, y).

Here x = 0, y = y, m₁ = k, m₂ = 1, x₁ = 3, x₂ = -4, y₁ = -5, y₂ = 2

➛ SUBSTITUTING the datas we get,

$\tt (0,y)=\bigg(\dfrac{-4k+3}{k+1} ,\dfrac{2k-5}{k+1} \bigg)$

➛ Equating the x coordinate we get,

$\tt \dfrac{-4k + 3}{k+1}=0$

➛ Cross multiplying,

-4k + 3 = 0

-4k = -3

k = 3/4

➛ Hence the line segment is divided in the ratio 3 : 4.

$\boxed{\bold{Ratio=3:4}}$

➛ Now FINDING the coordinates of point of division,

➛ Equating the y coordinate,

$\tt \dfrac{2k-5}{k+1} =y$

➛ Substitute the value of k and cross multiply,

2 × 3/4 - 5 = y ( 3/4 + 1)

6/4 - 5 = 7/4 × y

(6 - 20)/4 = 7/4 × y

7y = - 14

y = -2

➛ Hence the coordinates of point of division are (0, -2).

$\boxed{\bold{Coordinates=(0,-2)}}$

Discussion

49.	a perpendicular of a right angled triangle is 8 cm and its area is 20 CM square the length of base is
Answer» Answer: 5 cm Step-by-step explanation: area = 1/2 ×( BASE× height) 20 = 1/2×( base × 8) 20 = 4 × base base = 5

49.

a perpendicular of a right angled triangle is 8 cm and its area is 20 CM square the length of base is

Answer»

Answer:

5 cm

Step-by-step explanation:

area = 1/2 ×( BASE× height)

20 = 1/2×( base × 8)

20 = 4 × base

base = 5

Discussion

50.	At midnight a virus was placed into a colony of 1983 bacteria. Each second each virus destroys one bacterium, after which all the bacteria and viruses divide in two. Will all the bacteria be eventually destroyed? If so, what is the exact time of this event?
Answer» Answer: The reproductive cycle of viruses RANGES from 8 hrs (picornaviruses) to more than 72 hrs (some HERPESVIRUSES). The VIRUS yields per cell range from more than 100,000 poliovirus particles to several THOUSAND poxvirus particles.

50.

At midnight a virus was placed into a colony of 1983 bacteria. Each second each virus destroys one bacterium, after which all the bacteria and viruses divide in two. Will all the bacteria be eventually destroyed? If so, what is the exact time of this event?

Answer»

Answer:

The reproductive cycle of viruses RANGES from 8 hrs (picornaviruses) to more than 72 hrs (some HERPESVIRUSES). The VIRUS yields per cell range from more than 100,000 poliovirus particles to several THOUSAND poxvirus particles.

Discussion

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