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Ganezh [65]
3 years ago
11

Which are perfect squares check all that apply 72 36 8 16 81 64 48​

Mathematics
2 answers:
Julli [10]3 years ago
4 0

Answer:36 16

Step-by-step explanation:

Ahat [919]3 years ago
4 0

Answer:

36, 16, 81, and 64.

Step-by-step explanation:

These numbers are perfect squares in that when you find the square root of that number it is a whole number. For example \sqrt{36} = 6 because 6 × 6 =36.

72 is not a perfect square because \sqrt{72} = 8.48528137424, which isn't a whole number.

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The product of two rational number 15/22. If one of the number is -5/6 then find the other the 9 one
Murljashka [212]

Answer:

Product of 2 no.=15/22

one no.=-5/6.

therefore let second no. be x

-5/6×x=15/22

x=15/22 ×-6/5.

x=-9/11

8 0
3 years ago
4x-5y=-15 <br> 7x-2y=21 <br> X=<br> Y=
Helen [10]

Answer:

The values of x and y to the given equations are x=5 and y=7

Step-by-step explanation:

Given equations are 4x-5y=-15\hfill (1)

7x-2y=21\hfill (2)

To solve the given equations by elimination method :

Multiply the equation (1) into 2 we get

8x-10y=-30\hfill (3)

Multiply the equation (2) into 5 we get

35x-10y=105\hfill (4)

Now subtracting the equations (3) and (4) we get

8x-10y=-30

35x-10y=105

_________________

-27x=-135

x=\frac{135}{27}

Therefore x=5

Now substitute the value of x=5 in equation (1) we get

4(5)-5y=-15

20-5y=-15

-5y=-15-20

-5y=-35

y=\frac{35}{5}

Therefore y=7

The values are x=5 and y=7

4 0
3 years ago
A her of 40 horses has 9 white and some black horses. What is the ratio of white to black horses?​
solmaris [256]

Answer:

The number of white horse to white horse is 9 : 31

Step-by-step explanation:

Given as :

The Total number of horses = 40

The number of white horses = 9

Let the number of black horses = x

So, x + 9 = 40

Or x = 40 - 9 = 31

∴ The number of black horses = 31

Now,  The ratio of while to black horses = number of white horse : number of black horse

Or, number of white horse : number of black horse = 9 : 31

Hence The number of white horse to white horse is 9 : 31   Answer

7 0
3 years ago
Explore the properties of angles formed by
deff fn [24]

Answer:

m<AEC = 105

Step-by-step explanation:

(just completed the assignment) they are vertical angles, so they have the same measure

6 0
3 years ago
Read 2 more answers
Write the sum of 32+20 as the product of their GCF and add another sum
vladimir2022 [97]
The factors of  32  are  1,  2,  4,  8,  16, and  32.

The factors of  20  are  1,  2,  4,  5,  10, and  20.

The common factors of  32  and  20  are  1,  2, and  4.

The greatest one is 4.

32 = 4 x 8

20 = 4 x 5

32 + 20 = (4 x 8) + (4 x 5)

32 + 20  =  <em>4 (8 + 5)</em>
8 0
3 years ago
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