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Arada [10]
3 years ago
9

Solve the equation. Check for extraneous solutions. Type your answers in the blanks.Show your work. |4x+3|=9+2x

Mathematics
1 answer:
Anna71 [15]3 years ago
4 0
I hope this helps you

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What was Mike's average rate of descent over his last three hours?
Romashka [77]

Answer:

<em>The average rate of descent over the last 3 hours is 1000 ft/h. </em>

Step-by-step explanation:

<u>Rate of Change</u>

It's usually referred to as to the variation that one magnitude has in reference to another. The reference magnitude can be time t. The rate of change is calculated as the slope of the curve that represents the function.

The image shows the variation of Mike's height above sea level in feet with time in hours. We need to calculate the rate of change in the last three hours (from 7 to 10).

The rate of change can be calculated with the slope of the line, which formula is:

\displaystyle m=\frac{h_2-h_1}{t_2-t_1}

Let's pick two points (7,4000) (10,1000):

\displaystyle m=\frac{1000-4000}{10-7}=\frac{-3000}{3}=-1000

m=-1000\ ft/h

Note the rate of change is negative, which means the height is decreasing.

The average rate of descent over the last 3 hours is 1000 ft/h.

8 0
2 years ago
Elena starts her new job working at an office supply store. She works for 6 hours and makes a total of $54.
docker41 [41]

Answer:

<u>I </u><em><u>believe </u></em><u>the answer would be A.</u>

Step-by-step explanation:

A says 6 x h is 54.

            ^    ^      ^

            important!

6 is the number of hours.

h is how much money made per hour.

54 is the total after working 6 hours.

4 0
3 years ago
A.y-2x=6<br> B.y-2x=5 <br> C.y-3x=5<br> D.y-x=5
zubka84 [21]

Answer:

B. y - 2x = 5

Step-by-step explanation:

Add 2x to both sides, and the equation becomes, y = 2x + 5, as demonstrated from the graph.

6 0
3 years ago
Question 3<br> Convert the following proportion score to a percentage: .3852
Alekssandra [29.7K]

Answer:

The percentage score is 38.52%

Step-by-step explanation:

Conversion of a proportion to a percentage:

To convert from a proportion to a percentage, we multiply by 100%, that is, the decimal point is moved two positions to the right, and the percentage sign is placed in the number.

In this question:

Proportion .3852

0.3852*100% = 38.52%

The percentage score is 38.52%

7 0
3 years ago
-6 - ___ = -1<br> Negative six minus blank equals negative one
natulia [17]

Answer:

-5

Step-by-step explanation:

Hope this helps!! :)

8 0
3 years ago
Read 2 more answers
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