3 years ago

Can someone please help me with this whole page asap !!!

1 answer:

4 0

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natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is a(b+c) = ab + ac

Now, the steps of solving are shown below:

$-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14$

Hence, value of r is 7.14 (rounded to 2 decimal places)

8 0

3 years ago

KengaRu [80]

12. Yes, because the diagonals of a parallelogram bisect each other.
14. Yes, a parallelogram has opposite sides that are equal.

Hope this helps =)

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3 years ago

balandron [24]

Answer:

Step-by-step explanation:

6 0

3 years ago

yarga [219]

Answer:
x=12
Step by step explanation:

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3 years ago

Klio2033 [76]

The y intercept is -3.

7 0

3 years ago