3 years ago

Please answer 7 and 8 for mark as brainliest

1 answer:

8 0

7) A. A variable is an unknown value, and x is unknown. Constants are known values so they cannot have X in it.

8)A again for the same reason as number 7

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30 pts AWNSER ASAP In 2 hours, Nolan can bake 5 1/2 dozen cookies. What is his unit rate in dozen cookies per hour?

seraphim [82]

Answer:

2 3/4 dozen cookies per hour

Step-by-step explanation:

To find his unit rate per hour, divide 5 1/2 by 2:

5.5/2

= 2.75 or 2 3/4 dozen cookies

So, his unit rate in dozen cookies per hour is 2 3/4

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3 years ago

(−m 2 +6)+(−4m 2 +7m+2)

dmitriy555 [2]

Following are calculation to the given eqution:

Given:

$\bold{(-m^2+6)+(-4m^2+7m+2)}$

To find:

Solve the equation.

Solution:

$\to \bold{(-m^2+6)+(-4m^2+7m+2)}\\\\\to \bold{-m^2+6-4m^2+7m+2}\\\\\to \bold{-5m^2+7m+8}\\\\\to \bold{-1(5m^2-7m-8)}\\\\$

Therefore, the final solution is " $-1(5 m^2-7m-8)$ ".

Learn more:

brainly.com/question/12685776

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3 years ago

The length of a rectangle is 3cm more than twice the width. The perimeter of the rectangle is 42 cm. Find the dimensions of the

bogdanovich [222]

The width is 6cm
And the length is two times + 3 of the width
6 X 2 + 3 = 15
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The the dimensions are a rectangle that is 6cm wide and 15cm tall

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A pair of shoes that normally sells for $82.88 goes on sale for 35% off. Rounding up to the nearest cent, calculate the sale pri

Maksim231197 [3]

Answer:

$54.00

Step-by-step explanation:

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3 years ago

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WILL MARK BRAINLIEST!!!! What is the equation of the line shown in this graph?

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