332354 + Interview Questions in Secondary School in Math

1.	Slope of a line joining the points (5, 7) and (k, 3) is – 4. Find the value of k.
Answer» Answer: VALUE of K is 6 Step-by-step explanation: SLOPE = (y2-y1)/(x2-x1) -4 =( 3-7)/(k-5) (k-5)*-4 = -4 -4k+20 =-4 -4k =-24 4k=24 k= 24/4 k = 6

1.

Slope of a line joining the points (5, 7) and (k, 3) is – 4. Find the value of k.

Answer»

Answer:

VALUE of K is 6

Step-by-step explanation:

SLOPE = (y2-y1)/(x2-x1)

-4 =( 3-7)/(k-5)

(k-5)*-4 = -4

-4k+20 =-4

-4k =-24

4k=24

k= 24/4

k = 6

Discussion

2.	Rationalize : 4th root of √16/√125
Answer» MARK ❣️❣️ me as brainlest and THANKS me

2.

Rationalize : 4th root of √16/√125

Answer»

MARK ❣️❣️ me as brainlest

and THANKS me

Discussion

3.	Find the roots of the quadratic equations 3x2-2√6x+2=0 by using formula.
Answer» Answer: 3x2-2√6x+2=0 3x²-√6x-√6x+2=0 √3x²√3x²-√3x√2x √3x√2x+√2√2=0 √3x(√3x-√2) -√2(√3-√2) =0 (√3x-√2) (√3x-√2) =0 x=√2/√3

3.

Find the roots of the quadratic equations 3x2-2√6x+2=0 by using formula.

Answer»

Answer:

3x2-2√6x+2=0

3x²-√6x-√6x+2=0

√3x²*√3x²-√3x*√2x

√3x*√2x+√2*√2=0

√3x(√3x-√2) -√2(√3-√2) =0

(√3x-√2) (√3x-√2) =0

x=√2/√3

Discussion

4.	Find the Sum of first 25 terms of an arithmetic sequence 5, 8 , 11 , 14 ,...
Answer» Answer: 1025 Step-by-step explanation: $\frac{<klux>N</klux>}{2} \times (2a + (n - 1)d)$ here n MEANS 25 a means 5 d means 3

4.

Find the Sum of first 25 terms of an arithmetic sequence 5, 8 , 11 , 14 ,...

Answer»

Answer:

1025

Step-by-step explanation:

$\frac{<klux>N</klux>}{2} \times (2a + (n - 1)d)$

here

n MEANS 25

a means 5

d means 3

Discussion

5.	The Student News Service at Clear Mountain State University (CMSU) has decided to gather data about the undergraduate students that attend CMSU. CMSU creates and distributes a survey of 14 questions and receives responses from 62 undergraduates (stored in the Survey data set).2.6. Construct a contingency table of Gender and Intent to Graduate at 2 levels (Yes/No). The Undecided students are not considered now and the table is a 2x2 table. Do you think the graduate intention and being female are independent events?2.7. Note that there are four numerical (continuous) variables in the data set, GPA, Salary, Spending, and Text Messages.Answer the following questions based on the data2.7.1. If a student is chosen randomly, what is the probability that his/her GPA is less than 3?2.7.2. Find the conditional probability that a randomly selected male earns 50 or more. Find the conditional probability that a randomly selected female earns 50 or more.2.8. Note that there are four numerical (continuous) variables in the data set, GPA, Salary, Spending, and Text Messages. For each of them comment whether they follow a normal distribution. Write a note summarizing your conclusions for this whole
Answer» ANSWER: lok Step-by-step explanation: polo TU for hvyv KEEP you

5.

The Student News Service at Clear Mountain State University (CMSU) has decided to gather data about the undergraduate students that attend CMSU. CMSU creates and distributes a survey of 14 questions and receives responses from 62 undergraduates (stored in the Survey data set).2.6. Construct a contingency table of Gender and Intent to Graduate at 2 levels (Yes/No). The Undecided students are not considered now and the table is a 2x2 table. Do you think the graduate intention and being female are independent events?2.7. Note that there are four numerical (continuous) variables in the data set, GPA, Salary, Spending, and Text Messages.Answer the following questions based on the data2.7.1. If a student is chosen randomly, what is the probability that his/her GPA is less than 3?2.7.2. Find the conditional probability that a randomly selected male earns 50 or more. Find the conditional probability that a randomly selected female earns 50 or more.2.8. Note that there are four numerical (continuous) variables in the data set, GPA, Salary, Spending, and Text Messages. For each of them comment whether they follow a normal distribution. Write a note summarizing your conclusions for this whole

Answer»

ANSWER:

lok

Step-by-step explanation:

polo TU for hvyv KEEP you

Discussion

6.	32+45-12)+987-20this is question of board please tell me answer I mark you as a brainlist
Answer» ANSWER: _keep it up - - __________-___

6.

32+45-12)+987-20this is question of board please tell me answer I mark you as a brainlist

Answer»

ANSWER:

_keep it up - - __________-___

Discussion

7.	LCM of -15 and +25Asking for a doubt
Answer» -15 LCM is -3,25 LCM is 5 Step-by-step EXPLANATION: this is RIGHT ANSWER

7.

LCM of -15 and +25Asking for a doubt

Answer»

-15 LCM is -3,25 LCM is 5

Step-by-step EXPLANATION:

this is RIGHT ANSWER

Discussion

8.	4/x-y+1/x+y=3;2/x-y-3/x+y=5
Answer» ꜰɪʟᴛʀᴀᴛɪᴏɴ ɪꜱ ᴀ ᴘʀᴏᴄᴇꜱꜱ ᴜꜱᴇᴅ ᴛᴏ ꜱᴇᴘᴀʀᴀᴛᴇ ꜱᴏʟɪᴅꜱ ꜰʀᴏᴍ ʟɪQᴜɪᴅꜱ ᴏʀ ɢᴀꜱᴇꜱ ᴜꜱɪɴɢ ᴀ ꜰɪʟᴛᴇʀ ᴍᴇᴅɪᴜᴍ ᴛʜᴀᴛ ᴀʟʟᴏᴡꜱ ᴛʜᴇ ꜰʟᴜɪᴅ ᴛᴏ ᴘᴀꜱꜱ ᴛʜʀᴏᴜɢʜ ʙᴜᴛ ɴᴏᴛ ᴛʜᴇ ꜱᴏʟɪᴅ. ᴛʜᴇ ᴛᴇʀᴍ "ꜰɪʟᴛʀᴀᴛɪᴏɴ" ᴀᴘᴘʟɪᴇꜱ ᴡʜᴇᴛʜᴇʀ ᴛʜᴇ ꜰɪʟᴛᴇʀ ɪꜱ ᴍᴇᴄʜᴀɴɪᴄᴀʟ, ʙɪᴏʟᴏɢɪᴄᴀʟ, ᴏʀ ᴘʜʏꜱɪᴄᴀʟ. ᴛʜᴇ ꜰʟᴜɪᴅ ᴛʜᴀᴛ ᴘᴀꜱꜱᴇꜱ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ꜰɪʟᴛᴇʀ ɪꜱ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ꜰɪʟᴛʀᴀᴛᴇ.

Discussion

9.	Reduce to a single fraction :- 5/2+7/3-5/4
Answer» ANSWER: $\frac{5}{2} + \frac{7}{3} - \frac{5}{4} \\ \frac{30 + 28 - 15}{12} \\ \frac{58 - 15}{12} \\ \frac{43}{12}$

9.

Reduce to a single fraction :- 5/2+7/3-5/4

Answer»

ANSWER:

$\frac{5}{2} + \frac{7}{3} - \frac{5}{4} \\ \frac{30 + 28 - 15}{12} \\ \frac{58 - 15}{12} \\ \frac{43}{12}$

Discussion

10.	In a village, a Cooperative Bank was set up with the help of villagers. There were2500 active members in the bank and the capital of bank was contributed by itsmembers. Each member contributed equally. The total capital of the bank at thetime of opening was 7 175000. Find the contribution of each member
Answer» ANSWER: SOORY I CAN;T GIVE ANSWERE SORY Step-by-step EXPLANATION:

10.

In a village, a Cooperative Bank was set up with the help of villagers. There were2500 active members in the bank and the capital of bank was contributed by itsmembers. Each member contributed equally. The total capital of the bank at thetime of opening was 7 175000. Find the contribution of each member

Answer»

ANSWER:

SOORY I CAN;T GIVE ANSWERE SORY

Step-by-step EXPLANATION:

Discussion

11.	The multiplicativeinverse of-3/7
Answer» Answer: *The MULTIPLICATIVE INVERSE of-3/7* is *-7/3* Step-by-step EXPLANATION: MARK ME BRAINLIEST

11.

The multiplicativeinverse of-3/7

Answer»

Answer:

The MULTIPLICATIVE INVERSE of-3/7 is -7/3

Step-by-step EXPLANATION:

MARK ME BRAINLIEST

Discussion

12.	14,1004,1202,1251.5,1268----
Answer» Step-by-step EXPLANATION: bsvsvsbsjdjfkdjdhshsjehdjrjejdndjrjfkfhemejehdndmfdmfmdjdmdmdjdjdkdjdmfmfmmfmfmfmfmmrmfmfmfmfmfmddmdmmdmdjdjdkddjddkdmdjdhskwltptqhwitlujdhdm

12.

14,1004,1202,1251.5,1268----

Answer»

Step-by-step EXPLANATION:

bsvsvsbsjdjfkdjdhshsjehdjrjejdndjrjfkfhemejehdndmfdmfmdjdmdmdjdjdkdjdmfmfmmfmfmfmfmmrmfmfmfmfmfmddmdmmdmdjdjdkddjddkdmdjdhskwltptqhwitlujdhdm

Discussion

13.	18. ईदगाह कहानक कहानीकार कौन है ?
Answer» ANSWER: Iidgah KA kahanikar PREMCHAND HAI.

13.

18. ईदगाह कहानक कहानीकार कौन है ?

Answer»

ANSWER:

Iidgah KA kahanikar PREMCHAND HAI.

Discussion

14.	2z2442 4322xaZYy2roa3y2a47c9x722
Answer» ANSWER: I can't UNDERSTAND what you WANT to SAY

14.

2z2442 4322xaZYy2roa3y2a47c9x722

Answer»

ANSWER:

I can't UNDERSTAND what you WANT to SAY

Discussion

15.	Write any rational numbers between -5/6 and 7/8
Answer» Step-by-step EXPLANATION: -5×4/6×4= -20/24 7×3/8×3=21/24 so any RATIONAL NUMBER between -5/6 and 7/8 is 20/24

15.

Write any rational numbers between -5/6 and 7/8

Answer»

Step-by-step EXPLANATION:

-5×4/6×4= -20/24

7×3/8×3=21/24

so any RATIONAL NUMBER between -5/6 and 7/8 is 20/24

Discussion

16.	1+1= and 2+3 and 9-5+3+9-2
Answer» Answer: 1+1=2 2+3=5 9-5+3+9-2=14

16.

1+1= and 2+3 and 9-5+3+9-2

Answer»

Answer:

1+1=2

2+3=5

9-5+3+9-2=14

Discussion

17.	66. 29.92 x 24 +21.28 x 4.5 =?
Answer» ANSWER: That is =813.84 Step-by-step EXPLANATION: =29.92×24+21.28×4.5 =718.08+95.76 =813.84 Hope it HELPS you..

17.

66. 29.92 x 24 +21.28 x 4.5 =?

Answer»

ANSWER:

That is =813.84

Step-by-step EXPLANATION:

=29.92×24+21.28×4.5

=718.08+95.76

=813.84

Hope it HELPS you..

Discussion

18.	Question No. 19Marks: 1The matrix whose all elements arezero is1. O 0 unit matrix2. O Identity matrix3. oNull matrix4. oRow matrix
Answer» Answer: 3. null MATRIX A matrix is SAID to be ZERO matrix or null matrix if all its ELEMENTS are zero. are all zero matrices of the order 1, 2 and 3 respectively. We denote zero matrix by O.

18.

Question No. 19Marks: 1The matrix whose all elements arezero is1. O 0 unit matrix2. O Identity matrix3. oNull matrix4. oRow matrix

Answer»

Answer:

3. null MATRIX

A matrix is SAID to be ZERO matrix or null matrix if all its ELEMENTS are zero. are all zero matrices of the order 1, 2 and 3 respectively. We denote zero matrix by O.

Discussion

19.	For the A.P. -5,-3,-1 ... find the difference between its 30th term and 20th term
Answer» Step-by-step explanation: PLEASE mark as BRAIN LIST please give me some THANKS please

19.

For the A.P. -5,-3,-1 ... find the difference between its 30th term and 20th term

Answer»

Step-by-step explanation:

PLEASE mark as BRAIN LIST please give me some THANKS please

Discussion

20.	एक A.P. में 50 पद हैं, जिसका तीसरा पद 12 है और अंतिम पद 106 है। इसका 29वाँ पदज्ञात कीजिए।4
Answer» ANSWER: एक A.P. में 50 पद हैं, जिसका तीसरा पद 12 है और अंतिम पद 106 है। इसका 29वाँ पद ज्ञात कीजिए। 4 Step-by-step EXPLANATION: *folow me* *itzsanika*

20.

एक A.P. में 50 पद हैं, जिसका तीसरा पद 12 है और अंतिम पद 106 है। इसका 29वाँ पदज्ञात कीजिए।4

Answer»

ANSWER:

एक A.P. में 50 पद हैं, जिसका तीसरा पद 12 है और अंतिम पद 106 है। इसका 29वाँ पद

ज्ञात कीजिए।

4

Step-by-step EXPLANATION:

folow me

itzsanika

Discussion

21.	17 + (-9) + 25-(-5) =
Answer» =17 + (-9) + 25-(-5) =17-9+25+5 =8 +30 =38

21.

17 + (-9) + 25-(-5) =

Answer»

=17 + (-9) + 25-(-5)

=17-9+25+5

=8 +30

=38

Discussion

22.	Conunt and write the number of faces you can write in each of the following fingers and colour each of the faces using different colours
Answer» ANSWER: mxhfxjfykfyxcufcxkfccfykxkyftdikftxtdy

22.

Conunt and write the number of faces you can write in each of the following fingers and colour each of the faces using different colours

Answer»

ANSWER:

mxhfxjfykfyxcufcxkfccfykxkyftdikftxtdy

Discussion

23.	39204 Find the square root by divisionAnd is 198
Answer» this is your ANSWER MAY it be HELPFUL for you

Discussion

24.	A ladder 10 m long just reaches the top of a wall and makes an angle of 60° with the wall. Calculate the distance of the foot of the ladder from the wall (√3=1.73)In easy step....Pls answer...
Answer» Answer: LUNAR eclipses occur when Earth's SHADOW blocks the sun's light, which otherwise reflects off the moon. There are three types — total, partial and penumbral — with the most dramatic being a total lunar ECLIPSE, in which Earth's shadow completely covers the moon

24.

A ladder 10 m long just reaches the top of a wall and makes an angle of 60° with the wall. Calculate the distance of the foot of the ladder from the wall (√3=1.73)In easy step....Pls answer...

Answer»

Answer:

LUNAR eclipses occur when Earth's SHADOW blocks the sun's light, which otherwise reflects off the moon. There are three types — total, partial and penumbral — with the most dramatic being a total lunar ECLIPSE, in which Earth's shadow completely covers the moon

Discussion

25.	Priya spent Rs.1195.75 on textbooks, Rs.680 on notebooks andRs.450.87 on stationery items. If she gives Rs.2500 to theshopkeeper, how much will he return?
Answer» Before, finding the answer. Let's find out we can find the answer. In this question, we are asked to find, how much money will SHOPKEEPER return to Priya. So, to find that, we have to first ADD the money spent on textbooks, notebooks, and STATIONERY items. Then, after adding them all. We MUST subtract the money given to the shopkeeper from the money spent by Priya. ________________________ Given : Money spent on Textbooks = Rs. 1195.75 Money spent on notebooks = Rs. 680 Money spent on Stationery = Rs. 450.87 Money given to Shopkeeper = Rs. 2500 To find : how much money will the shopkeeper return Solution : Money spent by Priya = Textbooks + notebooks + Stationery items = 1195.75 + 680 + 450.87 = 1875.75 + 450.87 = 2326.62 Money RETURNED by Shopkeeper = 2500 - 2326.62 = 173.38 Therefore, the shopkeeper will return Rs. 173.38 to Priya.

25.

Priya spent Rs.1195.75 on textbooks, Rs.680 on notebooks andRs.450.87 on stationery items. If she gives Rs.2500 to theshopkeeper, how much will he return?

Answer»

Before, finding the answer. Let's find out we can find the answer.

In this question, we are asked to find, how much money will SHOPKEEPER return to Priya.
So, to find that, we have to first ADD the money spent on textbooks, notebooks, and STATIONERY items.
Then, after adding them all. We MUST subtract the money given to the shopkeeper from the money spent by Priya.

________________________

Given :

Money spent on Textbooks = Rs. 1195.75
Money spent on notebooks = Rs. 680
Money spent on Stationery = Rs. 450.87
Money given to Shopkeeper = Rs. 2500

To find :

how much money will the shopkeeper return

Solution :

Money spent by Priya = Textbooks + notebooks + Stationery items

= 1195.75 + 680 + 450.87

= 1875.75 + 450.87

= 2326.62

Money RETURNED by Shopkeeper = 2500 - 2326.62

= 173.38

Therefore, the shopkeeper will return Rs. 173.38 to Priya.

Discussion

26.	If m= 2 find the value of 5 m- 2
Answer» 5m-2. =5×2-2(GIVEN). =10-2. =8.

26.

If m= 2 find the value of 5 m- 2

Answer»

5m-2.

=5×2-2(GIVEN).

=10-2.

=8.

Discussion

27.	Two is 3 less than a number
Answer»

Discussion

28.	Simply the following 5p²q-5p/5pq-1
Answer» Answer: 4p^2q-1 Step-by-step explanation: 5p^2q-p×pq-1 5p^2-p^2-1 4p^2q-1

28.

Simply the following 5p²q-5p/5pq-1

Answer»

Answer:

4p^2q-1

Step-by-step explanation:

5p^2q-p×pq-1

5p^2-p^2-1

4p^2q-1

Discussion

29.	In a class 9th standard out of 40 students ,25 students intrest in drawing what is the probability of not interesting students in drawing
Answer» ANSWER: ➡️number of PERSONS who is not INTREST in DROWNING = 40-25 = 15 ➡️Probability = 15/40 = 3/8 ➡️plese LIKE..

29.

In a class 9th standard out of 40 students ,25 students intrest in drawing what is the probability of not interesting students in drawing

Answer»

ANSWER:

➡️number of PERSONS who is not INTREST in DROWNING = 40-25 = 15

➡️Probability = 15/40 = 3/8

➡️plese LIKE..

Discussion

30.	Write the following numbers in order of size. Start with the smallest number. 0.32 0.4 0.35 0.309
Answer» Answer: *0.309,0.32,0.35,0.4* *Hope it HELPS*

30.

Write the following numbers in order of size. Start with the smallest number. 0.32 0.4 0.35 0.309

Answer»

Answer:

0.309,0.32,0.35,0.4

Hope it HELPS

Discussion

31.	The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions?
Answer» Answer: the NUMBERS is = X Square of the NUMBER = X² equal to 10 less than 7 TIME = 7X -10 X² = 7X-10 X²-7X+10 = 0 X² -2X-5X + 10 = 0 (X-2) (X-5) = 0 X = 2 or X = 5 Like Please..

31.

The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions?

Answer»

Answer:

the NUMBERS is = X

Square of the NUMBER = X²

equal to 10 less than 7 TIME = 7X -10

X² = 7X-10

X²-7X+10 = 0

X² -2X-5X + 10 = 0

(X-2) (X-5) = 0

X = 2 or X = 5

Like Please..

Discussion

32.	Find the place value of two 8's in 82856
Answer» Answer: Step-by-step explanation: 1. 8= 80 THOUSAND or 80000 2.8=8 HUNDRED or 800

32.

Find the place value of two 8's in 82856

Answer»

Answer:

Step-by-step explanation:

1. 8= 80 THOUSAND or 80000

2.8=8 HUNDRED or 800

Discussion

33.	F(x)=3x^2+5x+7 then find f(2)=?
Answer» ANSWER: HOPE it HELPS you MARK the BRAINLIEST

33.

F(x)=3x^2+5x+7 then find f(2)=?

Answer»

ANSWER:

HOPE it HELPS you MARK the BRAINLIEST

Discussion

34.	A bicycle wheel has a diameter of 63 cm find it's circumference
Answer» ANSWER: click the above picture Step-by-step EXPLANATION: MARK me brainlist please give some thanks

34.

A bicycle wheel has a diameter of 63 cm find it's circumference

Answer»

ANSWER:

click the above picture

Step-by-step EXPLANATION:

MARK me brainlist please
give some thanks

Discussion

35.	Simplify the following15/21÷3/7
Answer» Step-by-step EXPLANATION: SIMPLIFY the following 15/21÷3/7

35.

Simplify the following15/21÷3/7

Answer»

Step-by-step EXPLANATION:

SIMPLIFY the following

15/21÷3/7

Discussion

36.	0.000000000089 in standard form
Answer» Step-by-step explanation: The standard form for linear EQUATIONS in two variables is Ax+By=C. For EXAMPLE, 2x+3y=5 is a linear EQUATION in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y). This form is ALSO very useful when solving SYSTEMS of two linear equations.

36.

0.000000000089 in standard form

Answer»

Step-by-step explanation:

The standard form for linear EQUATIONS in two variables is Ax+By=C. For EXAMPLE, 2x+3y=5 is a linear EQUATION in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y). This form is ALSO very useful when solving SYSTEMS of two linear equations.

Discussion

37.	Kieran buys a car for $8000The following year he sells the car for $7500Find the percentage loss.
Answer» ANSWER: dyfhsg8ogmdhcnzgh hfghgjsu fjduigk nfufj fudihygtl rirfj

37.

Kieran buys a car for $8000The following year he sells the car for $7500Find the percentage loss.

Answer»

ANSWER:

dyfhsg8ogmdhcnzgh
hfghgjsu
fjduigk
nfufj
fudihygtl
rirfj

Discussion

38.	Find 4/7 of 56.step by step
Answer» Answer: 4/7 of 56 4/7 * 56 4*8 =====> By CANCELLING 56 by 7 is equal to 8 32 Hope it helps :-)

38.

Find 4/7 of 56.step by step

Answer»

Answer:

4/7 of 56

4/7 * 56

4*8 =====> By CANCELLING 56 by 7 is equal to 8

32

Hope it helps :-)

Discussion

39.	An=4n+5 then the 3rd term is
Answer» ANSWER: A3 =4n+5 a3=4(3)+5 a3=12+5 a3=17

39.

An=4n+5 then the 3rd term is

Answer»

ANSWER:

A3 =4n+5

a3=4(3)+5

a3=12+5

a3=17

Discussion

40.	X=3+root2/3-root2, find x2+1/x2
Answer» SORRY I don't KNOW this ANSWER

Discussion

41.	A ______ is a group of related files?
Answer» Answer: folder Step-by-step EXPLANATION: folder is a GROUP of RELATED FILES

41.

A ______ is a group of related files?

Answer»

Answer:

folder

Step-by-step EXPLANATION:

folder is a GROUP of RELATED FILES

Discussion

42.	5 to the power of 9 in expanded form
Answer» Answer: 5×5×5×5×5×5×5×5×5=1953125

42.

5 to the power of 9 in expanded form

Answer»

Answer:

5×5×5×5×5×5×5×5×5=1953125

Discussion

43.	Find the area of trangle whose sides are 8cm ,9cm and 10cm
Answer» ANSWER: HOPE its HELPFUL.. Step-by-step explanation: FORMULAS are: s= a+b+c/2 area of triangle= √s(s-a)(s-b)(s-c)

43.

Find the area of trangle whose sides are 8cm ,9cm and 10cm

Answer»

ANSWER:

HOPE its HELPFUL..

Step-by-step explanation:

FORMULAS are: s= a+b+c/2

area of triangle= √s(s-a)(s-b)(s-c)

Discussion

44.	Find the area of rhombus whose base is 8 cm and length is 7 cm
Answer» According to the QUESTION: As per given in the question,we are given with base is 8CM and LENGTH 7cm and we are said to find area of rhombus. $\:\:\:\:$ ________________________ Given: Base = 8cm Length = 7cm To Find: Area of Rhombus $\:\:\:\:$ ________________________ Using formula: $\: \: \sf \: area \: of \: rhombus = \frac{1}{2} \times product \: of \: diagonals$ Now substitute the known values $\: \: \sf \: area \: of \: rhombus = \frac{1}{2} \times 8 \times 7 \\ \\ \: \: \sf \: = <klux>4</klux> \times 7 \\ \\ \: \sf \: = 28 {cm}^{2}$ $\therefore$ Area of Rhombus is 28cm^2. ______________________ Additional Information: Perimeter of Rhombus= 4 × side Side of Rhombus = perimeter/4

44.

Find the area of rhombus whose base is 8 cm and length is 7 cm

Answer»

According to the QUESTION:

As per given in the question,we are given with base is 8CM and LENGTH 7cm and we are said to find area of rhombus.

$\:\:\:\:$ ________________________

Given:

Base = 8cm
Length = 7cm

To Find:

Area of Rhombus

$\:\:\:\:$ ________________________

Using formula:

$\: \: \sf \: area \: of \: rhombus = \frac{1}{2} \times product \: of \: diagonals$

Now substitute the known values

$\: \: \sf \: area \: of \: rhombus = \frac{1}{2} \times 8 \times 7 \\ \\ \: \: \sf \: = <klux>4</klux> \times 7 \\ \\ \: \sf \: = 28 {cm}^{2}$

$\therefore$

Area of Rhombus is 28cm^2.

______________________

Additional Information:

Perimeter of Rhombus= 4 × side
Side of Rhombus = perimeter/4

Discussion

45.	Root 5 - root 2 - 1/ root 5 + root 2
Answer» Step-by-step EXPLANATION: ROOT 5 - root 2 - 1/ root 5 + root 2 =✓5-✓2-1/✓5+✓3 by calculating the VALUE in calculater ✓5=2.2350 ✓2=1.4142 1/✓5=0.4472 ✓2=1.4142 now =2.2350-1.4142-0.4472+1.4142 =1.7878 answer

45.

Root 5 - root 2 - 1/ root 5 + root 2

Answer»

Step-by-step EXPLANATION:

ROOT 5 - root 2 - 1/ root 5 + root 2

=✓5-✓2-1/✓5+✓3

by calculating the VALUE in calculater

✓5=2.2350

✓2=1.4142

1/✓5=0.4472

✓2=1.4142

now

=2.2350-1.4142-0.4472+1.4142

=1.7878 answer

Discussion

46.	Find the mean deviation of 3,9,12,15 and 18
Answer» ANSWER: Step-by-step explanation: Find the mean of all values2. Find the distance of each value from that mean (subtract the mean from each value, ignore minus signs)3. Then find the mean of those DISTANCES Like this: Example: the Mean Deviation of 3, 6, 6, 7, 8, 11, 15, 16 Step 1: Find the mean: Mean = 3 + 6 + 6 + 7 + 8 + 11 + 15 + 168 = 728 = 9 Step 2: Find the distance of each value from that mean: ValueDistance from 93663637281112156167 Which looks like this: (No minus signs!) Step 3. Find the mean of those distances: Mean Deviation = 6 + 3 + 3 + 2 + 1 + 2 + 6 + 78 = 308 = 3.75 So, the mean = 9, and the mean deviation = 3.75

46.

Find the mean deviation of 3,9,12,15 and 18

Answer»

ANSWER:

Step-by-step explanation:

Find the mean of all values2. Find the distance of each value from that mean (subtract the mean from each value, ignore minus signs)3. Then find the mean of those DISTANCES

Like this:

Example: the Mean Deviation of 3, 6, 6, 7, 8, 11, 15, 16

Step 1: Find the mean:

Mean = 3 + 6 + 6 + 7 + 8 + 11 + 15 + 168 = 728 = 9

Step 2: Find the distance of each value from that mean:

ValueDistance from 93663637281112156167

Which looks like this:

(No minus signs!)

Step 3. Find the mean of those distances:

Mean Deviation = 6 + 3 + 3 + 2 + 1 + 2 + 6 + 78 = 308 = 3.75

So, the mean = 9, and the mean deviation = 3.75

Discussion

47.	X^3 – 8y^3 – 36xy – 216, when x = 2y + 6, find the value of
Answer» Answer: 335 Step-by-step explanation: 335+335-335+338-338-335

47.

X^3 – 8y^3 – 36xy – 216, when x = 2y + 6, find the value of

Answer»

Answer:

335

Step-by-step explanation:

335+335-335+338-338-335

Discussion

48.	you know that to make20 pancakes you have to use 2 eggs how many eggs are needed to make 100 pancales
Answer» Answer: 10 Step-by-step explanation: 100/20 = 5 then, 5*2 EGGS = 10 eggs

48.

you know that to make20 pancakes you have to use 2 eggs how many eggs are needed to make 100 pancales

Answer»

Answer:

10

Step-by-step explanation:

100/20 = 5 then, 5*2 EGGS = 10 eggs

Discussion

49.	Without plotting on the number line, state whether the following numbers represent the same rational number. Give reasons for your answer. -3/4,-6/8,15/20
Answer» Answer: no they will not REPRESENT same rational number because FIRST two are NEGATIVE but the LAST one is POSITIVE

49.

Without plotting on the number line, state whether the following numbers represent the same rational number. Give reasons for your answer. -3/4,-6/8,15/20

Answer»

Answer:

no they will not REPRESENT same rational number because FIRST two are NEGATIVE but the LAST one is POSITIVE

Discussion

50.	Find the LCM of 84 112 196
Answer» ANSWER: 84,112,196 LCM in explanation Step-by-step explanation: 84=2,4,6,7,12,14,21,42. 112=2,4,8,56 196=2,4,8,12,196 some answer I KNOW I TELL you

50.

Find the LCM of 84 112 196

Answer»

ANSWER:

84,112,196 LCM in explanation

Step-by-step explanation:

84=2,4,6,7,12,14,21,42.

112=2,4,8,56

196=2,4,8,12,196

some answer I KNOW I TELL you

Discussion

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________________________

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______________________

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$\:\:\:\:$ ________________________

$\:\:\:\:$ ________________________

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