3 years ago

[25 POINTS] PLEASE HELP ME! QUICK AND EASY POINTS! ALL INFO IS IN THE IMAGE!

Mathematics

1 answer:

lbvjy [14]3 years ago

4 0

Answer:

Where's the image?

Step-by-step explanation:

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If the perimeter is 284, what is the value of a? <br> Please show work xx

devlian [24]

Answer:

Step-by-step explanation:

Perimeter is 284 means the sum of the side measurements is 284.

That is, we have to solve:

$(6a+8)+(12a)+(10a-4)+(6a+8)=284$

Combine like terms:

$(6a+12a+10a+6a)+(8+0+-4+8)=284$

Simplify:

$34a+12=284$

Subtract 12 on both sides:

$34a=284-12$

Simplify:

$34a=272$

Divide both sides by 34:

$a=\frac{272}{34}$

Simplify:

$a=8$

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4 years ago

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A rider sits on a motorcycle. The mortorcycle has a mass of 237 kilograms. Thee rider has a mass of 89 kilograms. what is the to

Luba_88 [7]

The total mass is 326 kilograms.

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3 years ago

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How do you compare 77,392 67,993

S_A_V [24]

Answer: 77,392 is bigger

Step-by-step explanation:

We obviously know 77,000 is bigger 67,000. Just looking at the thousands place we can tell which number is bigger. We can also write this as 77,392 > 67,993.

Hope this helps :)

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3 years ago

Can anyone help me solve these please

lana66690 [7]

1. the answer is B
2. the answer is D
4. the answer is B
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4 years ago

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D(5, 7), E(4, 3), and F(8, 2) form the vertices of a triangle. What is m∠DEF?

Fantom [35]

Answer:

The answer 90 degrees.

Step-by-step explanation:

DE^2 = 1 + 16 = 17.

EF^2 = 16 + 1 = 17.

DF^2 = 9 + 25 = 34.

Since (DE)^2 + (EF)^2 = (DF)^2,

angle E is 90 degrees.

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4 years ago

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