4 years ago

Plzzzzzz help right answer gets brainly

1 answer:

3 0

4 just count how many are there that are between 19-21

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algol [13]

B. 72 + 78 + 70 + x > 289

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ivolga24 [154]

Answer: Whats the question?

Step-by-step explanation:

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alexandr1967 [171]

Hello,

x+y=12
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Gelneren [198K]

The answer is: 4 idk.

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3 years ago

VladimirAG [237]

Answer:

$\frac{1}{2} (8)(x+4)=3(x+6)\\x=2$

Step-by-step explanation:

$\frac{1}{2} bh=bh\\\\\frac{1}{2}(8)(x+4)=3(x+6)\\4(x+4)=3x+18\\4x+16=3x+18\\4x=3x+2\\x=2$

1. set the equation for the area of each shape equal to each other

2. simplify each side until you get $4x+16=3x+18$

3. subtract 16 from both sides which will give you $4x=3x+2$

4. subtract 3x from both sides which will give you the value of x. $x=2$

5. check that $x=2$ is correct by plugging it into the equations

triangle:

$area=\frac{1}{2} (8)(2+4)\\area=4(6)\\area=24$

rectangle:

$area=3(2+6)\\area=3(8)\\area=24$

the areas are the same

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3 years ago