3 years ago

Item 12

1 answer:

4 0

<span>If the width is w, and the length is w+10, then the perimeter is

2w+2(w+10),

If that is the case you need

4w+20-4,or 4w+16 tiles </span>

You might be interested in

Can you help me solve this 2-step equation 9-2x=35

ryzh [129]

Answer:

x = -13

Step-by-step explanation:

Given that:

9-2x=35

Adding 2x-35 on both sides we get:

9 - 35 = 2x

-26x = 2x

Dividing both sides by 2

-13 = x

i hope it will help you!

8 0

3 years ago

Read 2 more answers

THE SUM 10 INFINITY OF A GEOMETRIC SERIES IS 100. FIND THE TERM IF THE COMMON FIRST RATIO IS - 1/2

zhuklara [117]

Answer:

a = 150

Step-by-step explanation:

<u>Sum to infinity of a geometric series</u>

$S_{\infty}=\dfrac{a}{1-r}\:\textsf{ for }|r| < 1$

where:

a is the first term
r is the common ratio

Given:

$S_{\infty}=100$

$r=-\dfrac{1}{2}$

Substitute the given values into the formula and solve for a:

$\begin{aligned}S_{\infty} & =\dfrac{a}{1-r}\\\\\implies 100 & =\dfrac{a}{1-\left(-\frac{1}{2}\right)}\\\\ 100 & =\dfrac{a}{1+\frac{1}{2}}\\\\100 & = \dfrac{a}{\frac{3}{2}}\\\\a & = \dfrac{3}{2} \cdot 100\\\\a & = 150\end{aligned}$

6 0

2 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!

sergij07 [2.7K]

It’s B because I just know it’s B because I’m smart like that

7 0

4 years ago

in a paper airplane contest marcels plane travels 3.345 meters. salvadors plane travels 3.35 meters. jennifers plane travels 3.3

ahrayia [7]

Salvadors
u . t h th
3 . 3 0 0
3 . 3 4 5
3 . 3 5 0
salvador has the farthest distance.

6 0

3 years ago

Read 2 more answers

Which description best describes coplanar figures? A. They are contained in the same plane. B. They are not contained in the sam

Blababa [14]

A. They are contained in the same plane

3 0

3 years ago