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3 years ago

I need help with 13 and 14

Mathematics

1 answer:

astra-53 [7]3 years ago

4 0

It's quite simple. You just divide into the 3 sections. So, it is 36 divided by 12, which is 3. So A=3. :)

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Sergeu [11.5K]

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6 0

3 years ago

D= c-s/n solve for n

Zarrin [17]

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6 0

2 years ago

Read 2 more answers

The square pyramid has a volume of 27 cubic inches. What is the value of X?

wolverine [178]

Answer:

9 inches

Step-by-step explanation:

base is rectangular in shape

Side of base of square pyramid is X inches

height of square pyramid is 1/9 X

Volume of any pyramid is 1/3 *(area of base* height of pyramid)

area of base of square pyramid = Side of base * Side of base

as area of square is equal to side * side

area of base of square pyramid = x* x square inches = $x^2 sq.\ inches$

Volume of pyramid = 1/3 *(area of base* height of pyramid)

substituting given value of of volume of pyramid , height of pyramid and area of base calculated above we have

$27 = 1/3(x^2)*(1/9 x)\\\\27*3*9 = x^3\\729 = x^3\\x = \sqrt[3]{729} \\x = 9$

Therefor value of x is 9 inches.

5 0

3 years ago

Without working out the multiplication, which product is larger, why? 3 × 1/5 or 3 × 1/10 A) 3 × 1/5 because 1/5 is less than 1/

sp2606 [1]

The answer to that question is b

6 0

3 years ago

If an object has a mass of 15 g and a volume of 3 mL what is its density

Annette [7]

Answer:

Given the mass of the object = 15g

Given the volume of the object = 3 mL

Density = ?

Step-by-step explanation:

We have two values of an object that is mass of the object and volume of the object. Now we are required to find the Density of the object. In order to find the density of the object, we have to divide the given mass with the given volume. Below is the calculation of the density.

Density = Mass / Volume

Density = 15g / 3 mL

Density = 5 g/ml

7 0

3 years ago