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mihalych1998 [28]

2 years ago

13

How can i solved ?????????????????????????????

2 answers:

ioda2 years ago

5 0

Paralellogram has 2 pairs of paralell sides

rectangle has 4 right angles and 2 pairs of paralell sides

square has 4 right angles and 2 pairs of paralell sides and 4 equal legnth sides

so
C is a square
B and C are rectangles
A and B and C are paralellograms

alexgriva [62]2 years ago

4 0

1. figure c
2.figure b
3. figure a b and c

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What is the answer to 3(x+4)+2(5x+2)

nalin [4]

<span>=<span><span><span><span><span>(3)</span><span>(x)</span></span>+<span><span>(3)</span><span>(4)</span></span></span>+<span><span>(2)</span><span>(<span>5x</span>)</span></span></span>+<span><span>(2)</span><span>(2)
</span></span></span></span><span>=<span><span><span><span>3x</span>+12</span>+<span>10x</span></span>+<span>4
</span></span></span><span>=<span><span><span><span>3x</span>+12</span>+<span>10x</span></span>+4
</span></span><span>=<span><span>(<span><span>3x</span>+<span>10x</span></span>)</span>+<span>(<span>12+4</span>)
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2 years ago

What is the answer for b?

olchik [2.2K]

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7 0

2 years ago

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schepotkina [342]

Answer:

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Step-by-step explanation:

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Determine if there is a proportional relationship between the two quantities

Shalnov [3]

Answer:

The table a not represent a proportional relationship between the two quantities

The table b represent a proportional relationship between the two quantities

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

<u><em>Verify each table</em></u>

<em>Table a</em>

Let

A ----> the independent variable or input value

B ----> the dependent variable or output value

the value of k will be

$k=\frac{B}{A}$

For A=35, B=92 ---> $k=\frac{92}{35}=2.63$

For A=23, B=80 ---> $k=\frac{80}{23}=3.48$

the values of k are different

therefore

There is no proportional relationship between the two quantities

<em>Table b</em>

Let

C ----> the independent variable or input value

D ----> the dependent variable or output value

the value of k will be

$k=\frac{D}{C}$

For C=20, D=8 ---> $k=\frac{8}{20}=0.40$

For C=12.5, D=5 ---> $k=\frac{5}{12.5}=0.40$

the values of k are equal

therefore

There is a proportional relationship between the two quantities

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$D=0.40C$

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2 years ago

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Ganezh [65]

Answer:

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2) yes; 142 + 482 = 502

3) 2

4)18.0

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