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2 years ago

Find the missing sides and calculate the perimeter.

Mathematics

1 answer:

aleksandr82 [10.1K]2 years ago

4 0

Answer:

the missing longest side is 7 and the shorter missing side is 3 and the perimeter is 26cm brainliest plz

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Rodney is given twi equations:x-y=11 and 2x+y=19

lozanna [386]

Answer:

x= 10 and y= -1

Step-by-step explanation:

Rewrite your second equation Y= -2x+ 19 then plug it into the first equation.

x- (-2x + 19) = 11

x + 2x - 19 =11

3x - 19 = 11

3x = 30

x = 10

The plug that answer into the first equation and solve.

10 - y = 11

-y = 1

y = -1

3 0

3 years ago

32 is 90% of what number?

spayn [35]

Answer:

$\large\boxed{32\ is\ 90\%\ of\ 35\dfrac{5}{9}}$

Step-by-step explanation:

<h3>METHOD 1:</h3>

$\begin{array}{ccc}32&-&90\%\\\\x&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\90x=3200\qquad\text{divide both sides by 90}\\\\x=\dfrac{3200}{90}\\\\x=\dfrac{320}{9}\\\\x=35\dfrac{5}{9}$

<h3>METHOD 2:</h3>

$\begin{array}{cccc}32&-&90\%&\text{divide both sides by 9}\\\\\dfrac{32}{9}&-&10\%\end{array}\\\\\\90\%+10\%=100\%\to32+\dfrac{32}{9}=32+3\dfrac{5}{9}=35\dfrac{5}{9}$

3 0

2 years ago

A box stall is a square or rectangular enclosure that can house one or more animals. Derek wants to construct a square box stall

stepladder [879]

Your answer is 550000!!!

Hope this helped!!!XD

Also can I get brainiest?XD

4 0

3 years ago

Determine the intercepts of the line.<br> 71 - 5 = 4y - 6

maw [93]

Answer:

y = 18

Step-by-step explanation:

71 - 5 = 4y - 6

66 = 4y - 6

72 = 4y

18 = y

P.S. I am not 100% sure if this is correct if it isn't I am greatly sorry

8 0

3 years ago

What’s the answer for simplify

Pepsi [2]

Answer:

it can be simplified

Ans:6x squared +9x-5

Step-by-step explanation:

8x squared minus negative 2x squared is equal to positive six squared, +9x cannot be simplified because there are no other liked terms and -5 too.

5 0

3 years ago