I need to figure out the answer

Answers

Answer 1

Answer: Hello there,

If c=-2 just plug in -2 for every c you see.

(-2)²-7(-2)-8
This simplifies to
4+14-8
18-8
10

Hope this helps!

Answer 2

Answer: The answer to the problem is 10 because negative 2 squared is 4 plus 14 because negative 2 times negative 7 is 14 minus 8 which gives you 10.

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The length of a rectangle is 9 inches more than twice it’s width. If the perimeter of the rectangle is 48 inches find its length and width.

Answers

Answer:

$Length=19 inches\n\nWidth=5 inches$

Step-by-step explanation:

Let the width of the rectangle be 'w' inches

length of the rectangle= (2w+9) inches

Perimeter of the rectangle= 48 inches

Perimeter of a rectangle= 2(Length+Width)

$48=2((2w+9)+w)\n\n48=2(2w+9+w)\n\n48=2(3w+9)\n\n48/2=3w+9\n\n24=3w+9\n\n3w=24-9\n\n3w=15\n\nw=15/3\n\nw=5 inches$

$Width= 5 inches$

$Length=(2w+9)=2(5)+9=19 inches$

$Length=19 inches\n\nWidth=5 inches$

How do i use long division? its hard for me...

Answers

Divide across and just bring down the numbers

What is 1284 rounded to the nearest 100?

Answers

1284 rounded to the nearest would be 1300

1300 because it is 84 so you round up to 300

If you roll one number cube two times , what is the probability of getting a factor of 5 both times ?

Answers

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Will bought a pedometer to measure how far he walks every day. According to the pedometer He moves about 27 5/8 inches with each step he takes when he walks. How many feet did Will travel in 96 steps?

Answers

the answer is 2,652 because when you multiply 27 5/8 by 96 you get this answer

Alejandro bought 3 music albums for $9.99 per album .use mental math to find the total cost of the albums.

Answers

Answer:

29.97

Step-by-step explanation:

9.99x3=29.97

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