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Oliga [24]
2 years ago
7

What is the product of -8(7-3.2)

Mathematics
1 answer:
Anton [14]2 years ago
7 0
It should be 30.4

Multiply 8 by both numbers in the parentheses. -8x7 - 8x(-3.2)
You should end up with -56 + 25.6
Next you add those two numbers and you end up with 30.4.

I hope this helps!
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4) Dan had 199 dollars to spend on 7 books. After
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Answer:

The answer is that each book costs 26 dollars

Step-by-step explanation:

First we subtract 199 dollar from 7 =182

Then we divide 182 dollars to the seven book in order to find a unit =182/7=26

To prove this answer multiply 26 dollars than 7 books and see if the outcome is 182.Then subtract 199 from 182 and see if you got 17.

3 0
3 years ago
What is the answer to |-5-3|-|12-8|=?
Rudiy27

Answer:

|-5-3| = |-8| = 8\\|12-8| = |4| = 4\\8 - 4 = 4\\\\

4 0
3 years ago
Maggie says if the expression was 12 divided by 3 to the 2nd power you would divide before simplifying is she right?
azamat

Answer:

No she is wrong 3 to the second power first

Step-by-step explanation:

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3 years ago
John paid $100 for renting a canoe for 5 hours. Which graph shows the relationship between the cost of renting a canoe for diffe
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5 0
3 years ago
The unshaded area inside the figure to the right is 648 in.² Use this fact to write an equation involving x. Then solve the equa
FrozenT [24]

The <em>second order</em> polynomial that involves the variable <em>x</em> (border inside the rectangle) and associated to the <em>unshaded</em> area is x² - 62 · x + 232 = 0.

<h3>How to derive an expression for the area of an unshaded region of a rectangle</h3>

The area of a rectangle (<em>A</em>), in square inches, is equal to the product of its width (<em>w</em>), in inches, and its height (<em>h</em>), in inches. According to the figure, we have two <em>proportional</em> rectangles and we need to derive an expression that describes the value of the <em>unshaded</em> area.

If we know that <em>A =</em> 648 in², <em>w =</em> 22 - x and <em>h =</em> 40 - x, then the expression is derived below:

<em>A = w · h</em>

(22 - x) · (40 - x) = 648

40 · (22 - x) - x · (22 - x) = 648

880 - 40 · x - 22 · x + x² = 648

x² - 62 · x + 232 = 0

The <em>second order</em> polynomial that involves the variable <em>x</em> (border inside the rectangle) and associated to the <em>unshaded</em> area is x² - 62 · x + 232 = 0. \blacksquare

To learn more on polynomials, we kindly invite to check this verified question: brainly.com/question/11536910

3 0
2 years ago
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