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2 years ago

A parallelogram has an area of 216.24 cm2 and a height of 15.9 cm. How long is the base of the parallelogram

Mathematics

2 answers:

sesenic [268]2 years ago

3 0

The base would be 13.6 cm long, if you divide the area by the height you will get the base.

DIA [1.3K]2 years ago

3 0

Answer: 13.6

Step-by-step explanation:

First you do 216.24 divided by 15.9 (Because dividing is just multiplication backwards), then you get 13.6

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2 years ago

If -8. min 19 are in an AP, find the values of m and n

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Answer:

m = 1 and n = 10.

Step-by-step explanation:

I am assuming you mean -8, m , n, 19.

If they are in AP the 4 terms will have a common difference.

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1 year ago

Determine whether or not the two equations below have the same solution. In two or more complete sentences, explain your rationa

Artist 52 [7]

Answer:

Yes, they have the same solution.

Step-by-step explanation:

The steps in solving a two-step equation are to simplify by using

The inverse of addition or subtraction and then
The inverse of multiplication or division

Equation 1

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(a) Inverse of addition

$\begin{array}{rcl}\dfrac{2}{3}x + \dfrac{3}{4} - \dfrac{3}{4}& = & 8 - \dfrac{3}{4}\\\\\dfrac{2}{3}x & = & \dfrac{29}{4}\\\end{array}$

(b) Inverse of multiplication

$\begin{array}{rcl}\left (\dfrac{2x}{3}\right ) \left (\dfrac{3}{2}\right ) & = & \left (\dfrac{29}{4}\right ) \left ( \dfrac{3}{2} \right ) \\\\x & = & \dfrac{87}{8}\\\end{array}$

Equation 2

8x = 87

(a) Inverse of multiplication

$\begin{array}{rcl}\dfrac{8x}{8} & = & \dfrac{87}{8}\\\\x & = & \dfrac{87}{8}\\\end{array}$

The two equations have the same solution.

For the first equation, I used the inverse of addition and then the inverse of multiplication to get the value of x.

The second equation needed only the inverse of multiplication.

Both solutions were the same.

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2 years ago