332354 + Interview Questions in Secondary School in Math

1.	P-I3. एक रेलगाड़ी पटना से 30 मई, 2020 को 23:40घंटे पर चलती है और मुम्बई 1 जून, 2020 को5:15 घंटे पर पहुँचती है । रेलगाड़ी की यात्रा काकुल समय कितना है?
Answer» Step-by-step EXPLANATION: रेलगाड़ी द्वारा यात्रा में लिया गया समय =5घंटे 35 मिनट

1.

P-I3. एक रेलगाड़ी पटना से 30 मई, 2020 को 23:40घंटे पर चलती है और मुम्बई 1 जून, 2020 को5:15 घंटे पर पहुँचती है । रेलगाड़ी की यात्रा काकुल समय कितना है?

Answer»

Step-by-step EXPLANATION:

रेलगाड़ी द्वारा यात्रा में लिया गया समय =5घंटे 35 मिनट

Discussion

2.	Find y , when x =15 ???answer us 5
Answer» ANSWER: When x = 15, y = 5. LOOK at the PICTURE above.

2.

Find y , when x =15 ???answer us 5

Answer»

ANSWER:

When x = 15, y = 5. LOOK at the PICTURE above.

Discussion

3.	(A+20)°=
Answer» Answer: 40° 20°+40°=60° sin60°=√3\2

3.

(A+20)°=

Answer»

Answer:

40°
20°+40°=60°
sin60°=√3\2

Discussion

4.	(a^2-3ab+2b^2)+(-4a^2+5ab-b^2)
Answer» Answer: hope it will HELP you PLZ mark me as BRAINLIEST plz

4.

(a^2-3ab+2b^2)+(-4a^2+5ab-b^2)

Answer»

Answer:

hope it will HELP you PLZ mark me as BRAINLIEST plz

Discussion

5.	Big friend formula starts with
Answer» ANSWER: sddgjjfdvghjkkvfdfvtsaaryjhvbngfh

5.

Big friend formula starts with

Answer»

ANSWER:

sddgjjfdvghjkkvfdfvtsaaryjhvbngfh

Discussion

6.	A pound of chocolate costs dollars. Karen buys pounds. Write an equation to represent the total cost that Karen pays.
Answer» ANSWER: hjcgwpuu5tghjvxd7td24

6.

A pound of chocolate costs dollars. Karen buys pounds. Write an equation to represent the total cost that Karen pays.

Answer»

ANSWER:

hjcgwpuu5tghjvxd7td24

Discussion

7.	The interior angles of a 12 sided polygon are equal. What is it's each exterior angle
Answer» Answer: BRO it will be 30 by DIVIDING 360 by 12

7.

The interior angles of a 12 sided polygon are equal. What is it's each exterior angle

Answer»

Answer:

BRO it will be 30 by DIVIDING 360 by 12

Discussion

8.	Prove that : [ a ƃ+ƈ a+ƃ+ƈ] = 0
Answer» Step-by-step EXPLANATION: jspq7f3bjwqo6fgrfkspq926rjslqisfgrbyww8ww9nxiat

8.

Prove that : [ a ƃ+ƈ a+ƃ+ƈ] = 0

Answer»

Step-by-step EXPLANATION:

jspq7f3bjwqo6fgrfkspq926rjslqisfgrbyww8ww9nxiat

Discussion

9.	62%-86%KshetrNeneJabsJeneMahelaTen
Answer» HI how R U my FRIEND and I am FINE

Discussion

10.	Find the 7th term of AP in which the 1st term is 7 and the comman difference is -3
Answer» ANSWER: d=7 a+6d=7 a+6×7=7 a+42=7 a=7-42 a=-35

10.

Find the 7th term of AP in which the 1st term is 7 and the comman difference is -3

Answer»

ANSWER:

d=7

a+6d=7

a+6×7=7

a+42=7

a=7-42

a=-35

Discussion

11.	√9÷27 rational no nhi h kyon
Answer» Answer: it is rational number √9 = 3 3/27 1/9 Ans - 1/9 here p/Q and PQ are integers and q is not EQUAL to 0 it is rational number

11.

√9÷27 rational no nhi h kyon

Answer»

Answer:

it is rational number

√9 = 3

3/27

1/9

Ans - 1/9 here p/Q and PQ are integers and q is not EQUAL to 0

it is rational number

Discussion

12.	If [2 4−3 a] + [1 b8 −4] = [7 1018 1] then find a and b.
Answer» ANSWER: I Will not solve the problem Step-by-step explanation: 24 - 3A + 1b8 - 4 = 710181 20 - 3a + 8B - 710181 = 0 - 3a + 8b = 710161

12.

If [2 4−3 a] + [1 b8 −4] = [7 1018 1] then find a and b.

Answer»

ANSWER:

I Will not solve the problem

Step-by-step explanation:

24 - 3A + 1b8 - 4 = 710181

20 - 3a + 8B - 710181 = 0

- 3a + 8b = 710161

Discussion

13.	[1 1 x] [1 0 2 [1 =01 0]0 2 12 1 0]Find value of x.
Answer» Answer: KYA 1 , 1 LINE me LIKHA h sahi se likha karo

13.

[1 1 x] [1 0 2 [1 =01 0]0 2 12 1 0]Find value of x.

Answer»

Answer:

KYA 1 , 1 LINE me LIKHA h

sahi se likha karo

Discussion

14.	Ayushi noticed that for the construction of the highway a lot of trees need to be cut. So, shedecided to compensate the tree loss by afforestation.Ayushi chose to plant an equal number of Mango, Jamun and Peepal trees along both sides ofthe bypass road. 100m of space would also be left on both sides of road at Alwah and Baroghfor toll plaza, signages and billboards at each ends (as shown below). Assuming that if everytree is planted at a distance of 10 m, the number of trees of each kind will be-
Answer» Given : The cost of a SAPLING of Mango, JAMUN and Peepal is Rs 25, Rs 15 and Rs 10 each The LABOUR cost for planting each sapling is Rs 0.70 To Find : The total amount that Ayushi has to get sanctioned for plantation a) Rs. 55382 b) Rs. 58352 c) Rs. 50382 d) Rs. 59362 Solution: Equal number of Mango, Jamun and Peepal trees = 1120 Total Trees Saplings = 1120 + 1120 + 1120 = 3360 Cost of sapling of Mango, Jamun and Peepal together = (25 + 15 + 10) = Rs 50 Total Cost of sapling = 1120 * 50 = 56000 The labour cost for planting each sapling is Rs 0.70 Cost of labour for planting 3360 sapling = 3360 * 0.7 = 2352 Total Cost = 56000 + 2352 = 58352 Rs Learn More: in harithaharam 19884 and 60 saplings of mango,guava and sapota .. brainly.in/question/12907601 Ayushi noticed that brainly.in/question/34328340

14.

Ayushi noticed that for the construction of the highway a lot of trees need to be cut. So, shedecided to compensate the tree loss by afforestation.Ayushi chose to plant an equal number of Mango, Jamun and Peepal trees along both sides ofthe bypass road. 100m of space would also be left on both sides of road at Alwah and Baroghfor toll plaza, signages and billboards at each ends (as shown below). Assuming that if everytree is planted at a distance of 10 m, the number of trees of each kind will be-

Answer»

Given : The cost of a SAPLING of Mango, JAMUN and Peepal is Rs 25, Rs 15 and Rs 10 each

The LABOUR cost for planting each sapling is Rs 0.70

To Find : The total amount that Ayushi has to get sanctioned for plantation

a) Rs. 55382

b) Rs. 58352

c) Rs. 50382

d) Rs. 59362

Solution:

Equal number of Mango, Jamun and Peepal trees = 1120

Total Trees Saplings = 1120 + 1120 + 1120 = 3360

Cost of sapling of Mango, Jamun and Peepal together = (25 + 15 + 10)

= Rs 50

Total Cost of sapling = 1120 * 50

= 56000

The labour cost for planting each sapling is Rs 0.70

Cost of labour for planting 3360 sapling = 3360 * 0.7

= 2352

Total Cost = 56000 + 2352 = 58352 Rs

Learn More:

in harithaharam 19884 and 60 saplings of mango,guava and sapota ..

brainly.in/question/12907601

Ayushi noticed that

brainly.in/question/34328340

Discussion

15.	If the length of rectangle is 5cm more than it's breadth and has perimeter 30cm then find area of rectangle.
Answer» Answer Let the SHORTER side of triangle =x cm The other side of the triangle =(x+5)cm The area of REACTANGLE (x+5)(x)=150 ⇒ x 2 +5x−150=0 ⇒ (x+15)(x−10)=0 ⇒ either x=−15 or x=+10 Since the side cannot be negative Therefore the value of c=−15 is negligible When x=10cm, then the other side =10+5=15

Discussion

16.	4.A thief saw a policeman from distance of 700m and started running.Thief could run 4.7km in 41 minutes & policeman can run the same distance in 34 minutes.Find the distance thief had run before being caught.
Answer» Given :- A thief saw a policeman from distance of 700m and started running. Thief could run 4.7km in 41 minutes & policeman can run the same distance in 34 minutes. Find the distance thief had run before being CAUGHT. Solution :- → Thief runs = 4.7 km = 4.7 * 1000 = 4700 m. → Time taken = 41 min. = → speed of thief = (Distance/time) = (4700/41) m / min. similarly, → Policeman runs = 4.7 km = 4.7 * 1000 = 4700 m. → Time taken = 34 min. → speed of Policeman = (Distance/time) = (4700/34) m / min. then, → usual speed in same direction = speed of Policeman - speed of thief = (4700/34) - (4700/41) ={4700(41 - 34)} /3441 = (4700 7)/1394 = 23.6 m/min. therefore, → Time taken by policeman to CATCH the thief = (Distance between them) / usual speed = (700/23.6) = 29.67 minutes. hence, → Distance covered by thief before caught = speed * time = (4700/41) * 29.67 ≈ 3401 m = 3.4 km (Ans.) ∴ The distance thief had run before being caught is 3.4 km . Learn more :- A leak in the body of a ship which can admit 5 units of water in 16 minutes got detected when it is 40km away from the s... brainly.in/question/26688438 A train starting from a station X was to arrive at a station Y at 6:06 PM. It could TRAVEL at 62.5% of its usual speed a... brainly.in/question/26746228

16.

4.A thief saw a policeman from distance of 700m and started running.Thief could run 4.7km in 41 minutes & policeman can run the same distance in 34 minutes.Find the distance thief had run before being caught.

Answer»

Given :- A thief saw a policeman from distance of 700m and started running. Thief could run 4.7km in 41 minutes & policeman can run the same distance in 34 minutes. Find the distance thief had run before being CAUGHT.

Solution :-

→ Thief runs = 4.7 km = 4.7 * 1000 = 4700 m.

→ Time taken = 41 min. =

→ speed of thief = (Distance/time) = (4700/41) m / min.

similarly,

→ Policeman runs = 4.7 km = 4.7 * 1000 = 4700 m.

→ Time taken = 34 min.

→ speed of Policeman = (Distance/time) = (4700/34) m / min.

then,

→ usual speed in same direction = speed of Policeman - speed of thief = (4700/34) - (4700/41) ={4700(41 - 34)} /34*41 = (4700 * 7)/1394 = 23.6 m/min.

therefore,

→ Time taken by policeman to CATCH the thief = (Distance between them) / usual speed = (700/23.6) = 29.67 minutes.

hence,

→ Distance covered by thief before caught = speed * time = (4700/41) * 29.67 ≈ 3401 m = 3.4 km (Ans.)

∴ The distance thief had run before being caught is 3.4 km .

Learn more :-

A leak in the body of a ship which can admit 5 units of water in 16 minutes got detected when it is 40km

away from the s...

brainly.in/question/26688438

A train starting from a station X was to arrive at a station Y at 6:06 PM. It could TRAVEL at 62.5% of its usual

speed a...

brainly.in/question/26746228

Discussion

17.	Determine the difference between-16 and 7
Answer» ANSWER: - 23 Step-by-step EXPLANATION: The difference between - 16 and 7, - 16 - 7 = - 23

17.

Determine the difference between-16 and 7

Answer»

ANSWER:

- 23

Step-by-step EXPLANATION:

The difference between - 16 and 7,

- 16 - 7

= - 23

Discussion

18.	Simplest from 3 by 8 and 375 by 1000
Answer» The below are the two methods used to convert the fraction to its LOWEST TERMS. Thus, 3/8 is the SIMPLIFIED fraction for 375/1000 by USING the GCD or HCF method. Thus, 3/8 is the simplified fraction for 375/1000 by using the PRIME factorization method.

18.

Simplest from 3 by 8 and 375 by 1000

Answer»

The below are the two methods used to convert the fraction to its LOWEST TERMS. Thus, 3/8 is the SIMPLIFIED fraction for 375/1000 by USING the GCD or HCF method. Thus, 3/8 is the simplified fraction for 375/1000 by using the PRIME factorization method.

Discussion

19.	The population of a city is 250000 and it increased at rate of 10% Pa find its population after 3 years
Answer» Answer: 250000(1+10/100)^3 250000(11/10)^3 250*1331 332750

19.

The population of a city is 250000 and it increased at rate of 10% Pa find its population after 3 years

Answer»

Answer:

250000(1+10/100)^3

250000(11/10)^3

250*1331

332750

Discussion

20.	350 gram 225 gram kul kitane gram barfi bati
Answer» Answer: 575 GRAMS are TOTAL BARFI

20.

350 gram 225 gram kul kitane gram barfi bati

Answer»

Answer:

575 GRAMS are TOTAL BARFI

Discussion

21.	What is the value 5 in the number 124.519 into fractions
Answer» ANSWER: The VALUE 5 in the NUMBER 124.519 into FRACTIONS is $\frac{5}{10}$

21.

What is the value 5 in the number 124.519 into fractions

Answer»

ANSWER:

The VALUE 5 in the NUMBER 124.519 into FRACTIONS is

$\frac{5}{10}$

Discussion

22.	The annual rent of a house is Rs 36000.Find the rent of 5 month.
Answer» ANSWER: A.R - 36000 Per MONTH RENT = 36000/12 = 3000 3000 × 5 = 15000 Rent of house of 5 MONTHS is 15000/-

22.

The annual rent of a house is Rs 36000.Find the rent of 5 month.

Answer»

ANSWER:

A.R - 36000

Per MONTH RENT = 36000/12 = 3000

3000 × 5 = 15000

Rent of house of 5 MONTHS is 15000/-

Discussion

23.	Side AB, BC and mediar AM of angle ABC
Answer» Step-by-step EXPLANATION: this is an incomplete QUESTION PLEASE WRITE our send PIC of complete question

23.

Side AB, BC and mediar AM of angle ABC

Answer»

Step-by-step EXPLANATION:

this is an incomplete QUESTION PLEASE WRITE our send PIC of complete question

Discussion

24.	Find three rational numbers between -2 upon five and minus one upon five
Answer» *ANSWER*: IDK the answer SORRY

24.

Find three rational numbers between -2 upon five and minus one upon five

Answer»

ANSWER:

IDK the answer SORRY

Discussion

25.	Find the value of m for which : m -3 55 ÷ 5 = 5
Answer» ANSWER: FIND the value of m if 25 to the power m / 5 to the power -5 =5 to the power 5 . 1. SEE answer. Add answer+5 pts.

25.

Find the value of m for which : m -3 55 ÷ 5 = 5

Answer»

ANSWER:

FIND the value of m if 25 to the power m / 5 to the power -5 =5 to the power 5 . 1. SEE answer. Add answer+5 pts.

Discussion

26.	√2+112-1√2-1√2+1= a + b2, find the values of 'a' and 'b'
Answer» Step-by-step EXPLANATION: jfdkddNshdkdh SOLA SPEAK shall Alam allah doyal allah

26.

√2+112-1√2-1√2+1= a + b2, find the values of 'a' and 'b'

Answer»

Step-by-step EXPLANATION:

jfdkddNshdkdh SOLA SPEAK shall Alam allah doyal allah

Discussion

27.	Find the number of year to get rupees 1530 as interest on a loan of Rupees 1500 at 4% for per annum
Answer» Answer: The simple interest to the sum Rs. 15,000 for 2 YEARS at a rate of interest 5% per annum is S.I.= 100 PRT ⇒ 100 15,000×2×5 =1,500. The interest will be Rs. 1,500 and the AMOUNT at the END of 2 years. =P+I=15000+1500= Rs. 16,500

27.

Find the number of year to get rupees 1530 as interest on a loan of Rupees 1500 at 4% for per annum

Answer»

Answer:

The simple interest to the sum Rs. 15,000 for 2 YEARS at a rate of interest 5% per annum is

S.I.=

100

PRT

⇒

100

15,000×2×5

=1,500.

The interest will be Rs. 1,500

and the AMOUNT at the END of 2 years.

=P+I=15000+1500= Rs. 16,500

Discussion

28.	W1000+w2000+w3000? step by step
Answer» hiiiiii how are you anyone in BOX me

28.

W1000+w2000+w3000? step by step

Answer»

hiiiiii

how are you

anyone in BOX me

Discussion

29.	36.यदि दिए गए 50 प्रेक्षणों का माध्य 38.2 है तो अज्ञात बारंबारता f एवं f2ज्ञात कीजिए।वर्ग अंतरालबारंबारता0-10410-20420-30fi30-401040-50f250-60860-70 5860-705
Answer» Answer: Why is DISTILLED WATER USED in the BATTERIES and not the tap water?

29.

36.यदि दिए गए 50 प्रेक्षणों का माध्य 38.2 है तो अज्ञात बारंबारता f एवं f2ज्ञात कीजिए।वर्ग अंतरालबारंबारता0-10410-20420-30fi30-401040-50f250-60860-70 5860-705

Answer»

Answer:

Why is DISTILLED WATER USED in the BATTERIES and not the tap water?

Discussion

30.	Please send us the anwser with solution
Answer» Step-by-step explanation: *SPEED* = 72 KM / h = 72000 m / h *DISTANCE* = 120 m *Time* = *distance* / *speed* = 120 / 72000 = 1 /*600h*

30.

Please send us the anwser with solution

Answer»

Step-by-step explanation:

SPEED = 72 KM / h

= 72000 m / h

DISTANCE = 120 m

Time = distance / speed

= 120 / 72000

= 1 /600h

Discussion

31.	:circle A: c = pi x d and a = pi x r^2 r = d/2circle A:c = pi x dpi = c/d = 28.26/9 = picircle b:c = πdπ = c/d = 15.70 /5 = 3.14circle a:a = pi x r^2 r = d/2 = 9/2 = 4.5pi = a/r^2 = 63.585 / (4.5)^2 = 63.585 / 20.25 = picircle b:a = pi x r^2 r = d/2 = 5/2 = 2.5pi = a/r^2 = 19.625 / (2.5)^2 = 19.625 / 6.25 = piit doesn't matter how big or small the circle is, the value of pi always stays the same.
Answer» Question: it doesn't MATTER how BIG or small the circle is, the value of pi always STAYS the same. Answer: TRUE, the value of pi never CHANGES for any circle, and it's a fixed constant. Hope this answer helps you ^_^ !

31.

:circle A: c = pi x d and a = pi x r^2 r = d/2circle A:c = pi x dpi = c/d = 28.26/9 = picircle b:c = πdπ = c/d = 15.70 /5 = 3.14circle a:a = pi x r^2 r = d/2 = 9/2 = 4.5pi = a/r^2 = 63.585 / (4.5)^2 = 63.585 / 20.25 = picircle b:a = pi x r^2 r = d/2 = 5/2 = 2.5pi = a/r^2 = 19.625 / (2.5)^2 = 19.625 / 6.25 = piit doesn't matter how big or small the circle is, the value of pi always stays the same.

Answer»

Question:

it doesn't MATTER how BIG or small the circle is, the value of pi always STAYS the same.

Answer:

TRUE, the value of pi never CHANGES for any circle, and it's a fixed constant.

Hope this answer helps you ^_^ !

Discussion

32.	Explain python,,, ,,, wassup guys?
Answer» ANSWER: HOPE it is HELPFUL to you

32.

Explain python,,, ,,, wassup guys?

Answer»

ANSWER:

HOPE it is HELPFUL to you

Discussion

33.	Findthe characterite roots of the followingmatrix 1 2 2A= 2 1 2 2 2 1
Answer» ANSWER: any G I R L who can be my G F S E N D ME M ESSAGE ON G MAIL ID [email PROTECTED] Step-by-step explanation: this is the s hayri for you G I R L S मैं लव हूँ पर मेरी बात तुम हो, और मैं तब हूँ जब मेरे साथ तुम हो and please r eport my QUESTION

33.

Findthe characterite roots of the followingmatrix 1 2 2A= 2 1 2 2 2 1

Answer»

ANSWER:

any G I R L who can be my G F

S E N D ME M ESSAGE ON G MAIL ID [email PROTECTED]

Step-by-step explanation:

this is the s hayri for you G I R L S

मैं लव हूँ पर मेरी बात तुम हो,

और मैं तब हूँ जब मेरे साथ तुम हो

and please r eport my QUESTION

Discussion

34.	1) Find the Eigenvalues and Eigenvectors of the matrix = [5 0 00 2 30 3 2].
Answer» Answer: 123456678900987654321

34.

1) Find the Eigenvalues and Eigenvectors of the matrix = [5 0 00 2 30 3 2].

Answer»

Answer:

123456678900987654321

Discussion

35.	Properties of a trapezium rombhus and parallellogram pls.
Answer» PARALLOGRAM :in parallogram ADJACENT angles=180°

Discussion

36.	What is perimeter? how to find
Answer» PERIMETER OF RECTANGLE=2×(LENGTH+BREADTH)

Discussion

37.	Kiran sold a washing machine 12750 rupees and suffered a loss of 2250 ruppes then find the loss%
Answer» Answer: the LOST PERCENTAGE can be calculated on cost PRICE only. Step-by-step explanation: let us SUPPOSE cost price =SELLING price +loss cost price=12750+2250=15000 loss percentage=2250/15000=0.15x100=15%

37.

Kiran sold a washing machine 12750 rupees and suffered a loss of 2250 ruppes then find the loss%

Answer»

Answer:

the LOST PERCENTAGE can be calculated on cost PRICE only.

Step-by-step explanation:

let us SUPPOSE cost price =SELLING price +loss

cost price=12750+2250=15000

loss percentage=2250/15000=0.15x100=15%

Discussion

38.	3x²+7x+2=0 quadratic equation by factorisation
Answer» ANSWER: Step-by-step EXPLANATION: I HOPE THIS HELPS YOU OUT YOUR PROBLEM

38.

3x²+7x+2=0 quadratic equation by factorisation

Answer»

ANSWER:

Step-by-step EXPLANATION:

I HOPE THIS HELPS YOU OUT YOUR PROBLEM

Discussion

39.	find three rational numbers between -2 upon five and minus one upon five
Answer» ANSWER: PROPER way Step-by-step EXPLANATION:

39.

find three rational numbers between -2 upon five and minus one upon five

Answer»

ANSWER: PROPER way

Step-by-step EXPLANATION:

Discussion

40.	दिए गए चित्र के आधार पर नेम सारणी को पूर्ण करो कौन के प्रकार
Answer» ANSWER: PLEASE SEND figure Step-by-step EXPLANATION:

40.

दिए गए चित्र के आधार पर नेम सारणी को पूर्ण करो कौन के प्रकार

Answer»

ANSWER:

PLEASE SEND figure

Step-by-step EXPLANATION:

Discussion

41.	Please answer if someone knows literally asking from hours
Answer» Step-by-step EXPLANATION: (i)90° (II)RHS CRITERIA

41.

Please answer if someone knows literally asking from hours

Answer»

Step-by-step EXPLANATION:

(i)90°

(II)RHS CRITERIA

Discussion

42.	+25_-(11-7y). 1 18 4y2y 823. What value of y makes the equation above atrue statement?
Answer» the ANSWER = y=0(zero) as other value will become imaginary (in CASE real ROOTS are CONCERNED) if imaginary roots can be taken the there will be more imaginary values and can be checked by putting them in the question and testing it.

42.

+25_-(11-7y). 1 18 4y2y 823. What value of y makes the equation above atrue statement?

Answer»

the ANSWER = y=0(zero) as other value will become imaginary (in CASE real ROOTS are CONCERNED) if imaginary roots can be taken the there will be more imaginary values and can be checked by putting them in the question and testing it.

Discussion

43.	(1) Solve the following simultaneous equations :4x + 3y = 11; 3x + 4y = 10.
Answer» Step-by-step explanation: GIVEN:- 4X + 3y = 11; 3x + 4y = 10. To find:- Solve the following simultaneous equations : 4x + 3y = 11; 3x + 4y = 10. SOLUTION:- Given pair of linear equations are 4x + 3y = 11-----(1) 3x + 4y = 10----(2) Adding both (1)&(2) 4x +3y = 11 3x + 4y =10 (+) __________ 7x +7Y =21 _________ =>7x +7y=21 =>7(x + y)=21 =>x + y =21/7 x + y = 3------(3) On subtracting (2) from (1) 4x +3y =11 3x +4y =10 (-) _________ x -y = 1-----(4) _________ on adding (3)&(4) x + y =3 x -y =1 (+) _______ 2x +0 = 4 _______ =>2x=4 =>x =4/2 =>x =2 Substituting the value of x in (3) then =>2 + y =3 =>y = 3-2 =>y=1 x=2 and y=1 Answer:- The solution for the given problem is (2,1)

43.

(1) Solve the following simultaneous equations :4x + 3y = 11; 3x + 4y = 10.

Answer»

Step-by-step explanation:

GIVEN:-

4X + 3y = 11; 3x + 4y = 10.

To find:-

Solve the following simultaneous equations :

4x + 3y = 11; 3x + 4y = 10.

SOLUTION:-

Given pair of linear equations are

4x + 3y = 11-----(1)

3x + 4y = 10----(2)

Adding both (1)&(2)

4x +3y = 11

3x + 4y =10

(+)

__________

7x +7Y =21

_________

=>7x +7y=21

=>7(x + y)=21

=>x + y =21/7

x + y = 3------(3)

On subtracting (2) from (1)

4x +3y =11

3x +4y =10

(-)

_________

x -y = 1-----(4)

_________

on adding (3)&(4)

x + y =3

x -y =1

(+)

_______

2x +0 = 4

_______

=>2x=4

=>x =4/2

=>x =2

Substituting the value of x in (3) then

=>2 + y =3

=>y = 3-2

=>y=1

x=2 and y=1

Answer:-

The solution for the given problem is (2,1)

Discussion

44.	Is it correct or not?
Answer» ANSWER: YES it is CORRECT answer UNDERSTOOD

44.

Is it correct or not?

Answer»

ANSWER:

YES it is CORRECT answer UNDERSTOOD

Discussion

45.	If x = 1 any y = 2, then 2 x + 3 y
Answer» Step-by-step EXPLANATION: LET x=1 and y=2 then , 21+32 =2+6 =8 ANSWER

45.

If x = 1 any y = 2, then 2 x + 3 y

Answer»

Step-by-step EXPLANATION:

LET x=1 and y=2

then , 2*1+3*2

=2+6

=8 ANSWER

Discussion

46.	X/6+y/15=4,x/3-y/12=4 3/4 Cross multiplication
Answer» ANSWER: the answer is x=18 and y=15

46.

X/6+y/15=4,x/3-y/12=4 3/4 Cross multiplication

Answer»

ANSWER:

the answer is x=18 and y=15

Discussion

47.	If X and Y are two sets such that n ( X Y ) = 50, n ( X) = 28 and n ( X Y ) = 8,find n ( Y ).1️⃣ 382️⃣ 303️⃣ 864️⃣ None
Answer» Answer: none Step-by-step EXPLANATION: XY + xy = 50 + 8 = 58 xy = 58 x = 28 putting THE values of x 28 × y = 58 y = 58/28 y = 2.0714

47.

If X and Y are two sets such that n ( X Y ) = 50, n ( X) = 28 and n ( X Y ) = 8,find n ( Y ).1️⃣ 382️⃣ 303️⃣ 864️⃣ None

Answer»

Answer:

none

Step-by-step EXPLANATION:

XY + xy = 50 + 8 = 58

xy = 58

x = 28

putting THE values of x

28 × y = 58

y = 58/28

y = 2.0714

Discussion

48.	Find factors of 356
Answer» Answer: FACTORS of 356 =1, 2, 4, 89, 178, 356 hope it will help you plz mark me as BRAINLIEST plz

48.

Find factors of 356

Answer»

Answer:

FACTORS of 356 =1, 2, 4, 89, 178, 356

hope it will help you plz mark me as BRAINLIEST plz

Discussion

49.	Here is one straight line question that I solved in hopes it will help someone... I used a trick in SN Dey book the name of which I don't know.... If someone knows please let me know in comments... It involves adding across equal sign and comparing
Answer» Answer: i DONT KHOW BRO so sorry OK GOOD luck bro

49.

Here is one straight line question that I solved in hopes it will help someone... I used a trick in SN Dey book the name of which I don't know.... If someone knows please let me know in comments... It involves adding across equal sign and comparing

Answer»

Answer:

i DONT KHOW BRO so sorry OK GOOD luck bro

Discussion

50.	Question 2 (Essay Worth 10 points)(05.04 MC)An image of a rectangular pyramid is shown below:A right rectangular pyramid is shown.Part A: A cross section of the rectangular pyramid is cut with a plane parallel to the base. What is the name of the shape created by the cross section? Explain your answer. (5 points)Part B: If a cross section of the rectangular pyramid is cut perpendicular to the base, passing through the top vertex, what would be the shape of the resulting cross section? Explain your answer. (5 points)
Answer» ANSWER: HOPE IT HELPS YOU THANKS

50.

Question 2 (Essay Worth 10 points)(05.04 MC)An image of a rectangular pyramid is shown below:A right rectangular pyramid is shown.Part A: A cross section of the rectangular pyramid is cut with a plane parallel to the base. What is the name of the shape created by the cross section? Explain your answer. (5 points)Part B: If a cross section of the rectangular pyramid is cut perpendicular to the base, passing through the top vertex, what would be the shape of the resulting cross section? Explain your answer. (5 points)

Answer»

ANSWER:

HOPE IT HELPS YOU

THANKS

Discussion

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