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DIA [1.3K]
3 years ago
6

Question 17 Multiple Choice Worth 1 points) (06.02 LC) Which of these is the algebraic expression for "5 times the sum of 2 and

y?"
A. 5 • 2 + y
B. 2 + 5 • y
C. 2(5 + y)
D. 5(2 + y)​
Mathematics
1 answer:
Setler [38]3 years ago
3 0

Answer:

D 5(2 + y)​

Step-by-step explanation:

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Sandy spent 3 hours on 2 science projects. At this rate, how long would it take her to complete 8 science projects
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4 0
3 years ago
An angle measures 40.2° more than the measure of its complementary angle. What is the measure of each angle?
vampirchik [111]
<h3>Solving for the measurements of Complementary Angles</h3><h3>Answer:</h3>

24.9^{\circ} and 65.1^{\circ}

<h3>Step-by-step explanation:</h3>

Recall that Angles that are complementary to each other add up to 90^{\circ}.

Let a be the measure of the complementary angle.

If an angle is 40.2^{\circ} more than its complementary angle, the measure of that angle is a +40.2. The sum of both angles are expressed a +(a +40.2) but since the have to add to 90 as they are complementary, a +(a +40.2) = 90.

Solving for a:

a +(a +40.2) = 90 \\ a +a +40.2 = 90 \\ 2a +40.2 = 90 \\ 2a +40.2 -40.2 = 90 -40.2 \\ 2a = 49.8 \\ \frac{2a}{2} = \frac{49.8}{2} \\ a = 24.9

Since the other angle measures a +40.2, we can plug in the value of a to find the measure of the angle.

Evaluating a +40.2:

a +40.2 \\ 24.9 +40.2 \\ 65.1

The measure of the angles are 24.9^{\circ} and 65.1^{\circ}

4 0
3 years ago
Geometry math question no Guessing and Please show work
Alona [7]

Well, if point C is dilated by 5/3, C' should be (3*5/3, -6*5/3)

This is equivalent to Option A, (5, -10)

3 0
3 years ago
What is the exact solution to the system of equations shown on the graph? HELPPPPP !!!​
IgorLugansk [536]

Answer:

The answer is B

Step-by-step explanation:

I made an approximation by looking and using paint 3D to even zoom up the image

pls mark me as brainliest

7 0
3 years ago
NEED HELP ASAP. By what percent will a fraction change if its numerator is decreased by 30% and its denominator is decreased by
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Answer:

0.7x/0.8y = x/y * 0.7/0.8 = x/y * 0.875

So the fraction is reduced by 12.5%

5 0
3 years ago
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