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Mama L [17]
3 years ago
11

Determine the rate of change for 3/2x -5/4y = 15

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
6 0

Answer:

-6/5

Step-by-step explanation:

3/2x - 5/4y = 15

-5/4y = -3/2x + 15

multiply each side by (-4/5)

(-4/5)(-5/4y) = (-4/5)(-3/2x + 15)

y = -6/5x - 12

rate of change: -6/5

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Alex jogs 5,000 meters twice a day. How many kilometers does Alex jog each day?
murzikaleks [220]

1 kilometer = 1000 meters

5000 meters / 1000 = 5 kilometers


5 kilometers x 2 times per day = 10 kilometers per day.


answer: D) 10 kilometers

3 0
2 years ago
Tessa had $35. She bought a book for $7 and a magazine for $5. Which expression correctly shows the total money Tessa has left?
aniked [119]

Answer:ANSWER:  $35 + (-$7) + (-$5)

Step-by-step explanation:

Total - book $ - magazine $

Which is equal to:

Total + (-book $) + (-magazine $)

$35 + (-$7) + (-$5)

Hope this helps! :)

4 0
3 years ago
Read 2 more answers
For the first 8 months at his new job, James gets
Vikentia [17]

James receives a pay increase of 100% per month and has a starting salary of $500.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let b represent the rate of pay increase and a represent the initial pay.

Let us assume that he had received 128000 after the 8 months. hence:

128000 = ab⁸   (1)

Also in the 10th month, he had received 512000, hence:

512000 = ab¹⁰    (2)

From the both equations:

a = 500, b = 2

rate of increase = 200% - 100% = 100%

James receives a pay increase of 100% per month and has a starting salary of $500.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

4 0
2 years ago
If a house is 15m long and 12m wide how long is the diagonal of the house
Nitella [24]
If this talks about the diagonal of the flooring then it is 9m
3 0
3 years ago
Anna is draining water out of a 50 gallon rain barrel. The graph shows the relationship between time in minutes and the gallons
tatiyna

Answer:

6 < x ≤ 20

Step-by-step explanation:

First, let's use the points (0, 50) and (20, 0) to find the equation of the line.

m = Δy / Δx

m = (0 − 50) / (20 − 0)

m = -2.5

y = -2.5x + 50

Now find the time when y = 35.

35 = -2.5x + 50

-15 = -2.5x

x = 6

So there is less than 35 gallons in the barrel when 6 < x ≤ 20.

7 0
3 years ago
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