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Otrada [13]
3 years ago
7

True or false A graph that shows distance per unit of time shows speed. _________

Mathematics
1 answer:
aleksklad [387]3 years ago
7 0
True

hope this helped
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How much of a 14% solution of iodine should be added to 89 ounces of a 47% iodine solution to get a 29% solution
Andrews [41]
We have 89 ounces of 47% iodine.
We will add "x" ounces of 14% iodine to get a 29% iodine solution.
89 * .47 + .14x = .29 * (89 + x)
41.83 + .14x = 25.81 + .29x
16.02 = .15x
x = 106.80
So, we must add 106.80 ounces of 14% iodine to get a 29% iodine solution.
(for a total of 195.80 ounces)

Source:
http://www.1728.org/mixture.htm


3 0
3 years ago
What is15 qt/h= gal min
Brilliant_brown [7]

we have

15 \frac{qt}{h}

we know that

1 quarter is equal to 0.25 gallon

1 hour is equal to 60 minutes

convert \frac{qt}{h} to \frac{gal}{min}

15 \frac{qt}{h} =15* \frac{0.25}{60} = 0.0625\frac{gal}{min}

therefore

the answer is

0.0625\frac{gal}{min}

5 0
3 years ago
Read 2 more answers
Graph the set of points. Which model is most appropriate for the set?
Andrew [12]
The model most appropriate is answer choice: Quadratic
5 0
3 years ago
A right triangle has leg measures of 8 and 15 inches. What is the area and perimeter of the triangle?
rewona [7]

Hello!

<h3><em><u>Answer</u></em></h3>

The area of the right triangle is 30 in^{2}. The perimeter is 40 in.


<h3><em><u>Explanation</u></em></h3>

First, we must find the measure of the hypotenuse of the triangle by using the Pythagorean Theorem.

a^{2} + b^{2} = c^{2}

8^{2} + 15^{2} = c^{2}

64 + 225 = c^{2}

√289 = c^{2}

17 = c

Now that we have all the side lengths, we can use the formulas to find the area and perimeter.

<h3>AREA:</h3>

A = \frac{bh}{2}

A = (15 × 8) ÷ 2

A = 30

<h3>PERIMETER:</h3>

P = a + b + c

P = 8 + 15 + 17

P = 40


8 0
3 years ago
Simplify : 7x^2 + 6x + 9x^2 - 5x
anastassius [24]

Answer:

131x

Step-by-step explanation:

7x² + 6x + 9x² - 5x

49x + 6x + 81x - 5x

136x - 5x

131x

7 0
3 years ago
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