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Sphinxa [80]
3 years ago
12

Need help ASAP. I don't understand anything in this unit.

Mathematics
1 answer:
vazorg [7]3 years ago
3 0

Answer:

Step-by-step explanation:

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Simplify the given polynomial and use it to complete the statement (8x^2 - 5x -7) - (9x^2 - 3x -5) + (x+7)(x + 1)
Lunna [17]

Answer:

The answer to your question is:    6x + 5

Step-by-step explanation:

                          (8x² - 5x -7) - (9x² - 3x -5) + (x+7)(x + 1)

                          8x² - 5x - 7 - 9x² + 3x + 5 + x² + 8x + 7

                          9x² - 9x² - 5x + 11x + 12 - 7

                         6x + 5

8 0
3 years ago
Samantha wants to use her savings of $1150 to buy shirts and watches for her family. The total price of the shirts she bought wa
Anna11 [10]
<span>We are given with a 1150$ budget and an expense of $84 and $99 for each watch.

Let's say the number of watches = x
1150 = 84 + (99x)
1150 - 84 = 99x
(1150 - 84)/99 = x

Rounding down the answer, x or the number of watches is equal to 10 watches.</span>
3 0
3 years ago
Jenna’s backpack weight 12.09 pounds. Kara’s backpack weighted 15.3 pounds. How much heavier was Kara’s backpack?
PIT_PIT [208]

Answer:

3.21 pounds

Step-by-step explanation:

15.3 - 12.09 = 3.21

6 0
3 years ago
Read 2 more answers
a monument that is 169.4 ft tall is built on a site that is 67.3 Ft below sea level how many feet above sea level is the top of
9966 [12]

Answer:

102.1 ft

Explanation:

We can represent the situation as follows:

So, we need to find the value of H. Therefore, H is equal to:

H = 169.4 ft - 67.3 ft

H = 102.1 ft

So, the top of the monument is 102.1 ft above sea level.

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1 year ago
Find the slope of the line <br> Please help
Salsk061 [2.6K]

Answer:

slope is 0

Step-by-step explanation:

Equation is y = -4

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