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3 years ago

PLEASE PUT THE ANSWER IN FRACTION FORM!!! SHOW YOUR WORK!!!!

Mathematics

2 answers:

bagirrra123 [75]3 years ago

8 0

Answer:

-13/15, -3

Step-by-step explanation:

there is also a app you can get on your phone that you can download and it will tell you the answer and steps to get the answer. :)

Viktor [21]3 years ago

8 0

The first answer is -2 4/5

First you would turn the fraction to an improper And that would be -7/3

Then you would do -7/3 times 6/5

And that would be -14/5 or -2 4/5

The second problem is -13/15

First your gonna turn that improper and that would be -5/3 + 4/5

Then you would add them together and it would be -13/15

Hope this helps

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A line on the coordinate plane passes through the points (7, -5) and (3, 11). A line that is perpendicular to the first line pas

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Slope of the line passing through (7,-5) and (3,11) =
$\frac{11 - ( - 5)}{3 - 7}$
= -4

As two lines are perpendicular to each other, so when their slopes are multiply by each other, the answer will be -1

so the slope of the line passing through (-3,-9) and (5,n) will be
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So will will get a formula below
$\frac{n - ( - 9)}{5 - ( - 3)} = \frac{1}{4}$
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3 years ago

I have $230 and I’m at a bookstore. I love books, so I want to buy as many as I can. The books I want to buy each cost $17. At m

Rufina [12.5K]

Answer:

12 books

Step-by-step explanation:

Lets set aside $25 for dinner first.

Amount left = $230 - $25 = $205

Number of books able to buy = amount left ÷ cost per book

= $205 ÷ $17

= 12.058 books

Of course, you cant buy .058 books , that wont make sense, so you take the highest possible WHOLE number, which in this case, is 12 books.

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2 years ago

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3 years ago

Statement: If 3x = 6, then x = 2. What is the contrapositive of the statement? Emeans not equal

nikitadnepr [17]

Answer:

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Step-by-step explanation:

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5 0

3 years ago

. A group of ten candy bars has an average cost of $0.89 per candy bar. How many bars must be bought at the cost of $0.72 a piec

Cloud [144]

we will have to buy 12.

<h3>How to solve?</h3>

We know to begin with that for x candy bards:

x / 10 = 0.89; x = 8.90

We are trying to ascertain how many bars (y) must be added to this to amount to have an average of 0.80. This is represented:

(8.9 + 0.72y) / (10 + y) = 0.8

8.9 + 0.72y = 0.8 (10 + y)

8.9 + 0.72y = 8 + 0.8y

8.9 – 8 = 0.8y - 0.72y

0.9 = 0.08y

y = 0.9 / 0.08 = 11.25

However, since we cannot have a partial amount of candy bars, we will have to buy 12.

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2 years ago