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3 years ago

Find the m slope in 8x+10y=11

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

8 0

Answer: The answer is -4/5 hope this helps :D

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Solving systems of Equations Word Problems - CLASSWORK

dem82 [27]

Answer:

Part A) For the number of hours less than 5 hours it make more sense to rent a scooter from Rosie's

Part B) For the number of hours greater than 5 hours it make more sense to rent a scooter from Sam's

Part C) Yes, for the number of hours equal to 5 the cost of Sam'scooters is equal to the cost of Rosie's scooters

Part D) The cost is $90

Step-by-step explanation:

Let

x-------> the number of hours (independent variable)

y-----> the total cost of rent scooters (dependent variable)

we know that

Sam's scooters

$y=8x+30$

Rosie's scooters

$y=10x+20$

using a graphing tool

see the attached figure

A. when does it make more sense to rent a scooter from Rosie's? How do you know?

For the number of hours less than 5 hours it make more sense to rent a scooter from Rosie's (see the attached figure) because the cost in less than Sam' scooters

B. when does it make more sense to rent a scooter from Sam's? How do you know?

For the number of hours greater than 5 hours it make more sense to rent a scooter from Sam's (see the attached figure) because the cost in less than Rosie' scooters

C. Is there ever a time where it wouldn't matter which store to choose?

Yes, for the number of hours equal to 5 the cost of Sam'scooters is equal to the cost of Rosie's scooters. The cost is $70 (see the graph)

D. If you were renting a scooter from Rosie's, how much would you pay if you were planning on renting for 7 hours?

Rosie's scooters

$y=10x+20$

For x=7 hours

substitute

$y=10(7)+20=90$

The cost is $90

4 0

3 years ago

Decrease 1800 in the ratio 5:3

oksano4ka [1.4K]

Answer:

3000

Step-by-step explanation:

a decrease in the ratio 5:3 implies that:

new quantity :old quantity :5:3

let new quantity be x.

x:1800=5:3

x/1800=5/3

3x=9000

x=9000/3

x=3000

8 0

2 years ago

The question is in the image! Please answer quickly.

Jobisdone [24]

Answer:

While slavery was the major issue separating the North and South, it was not slavery itself that sparked the conflict. The South wanted to secede from the Union, and the North refused. While President Abraham Lincoln personally opposed slavery, he recognized that it was legal under the U.S. Constitution at the time. He also recognized that few in the North were ready to go to war to free the slaves. For Lincoln and the northern majority, preservation of the Union was the foremost goal.

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2 years ago

Read 2 more answers

Which of the following is a correct interpretation of the expression -4 + 13? A. the number that is 4 to the left of -13 on the

svetoff [14.1K]

Answer:

The answer is D the number that is 13 to the right of -4 on the number line.

Step-by-step explanation:

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3 years ago

Which type of triangle has special proportions? acute obtuse right equilateral

Naya [18.7K]