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solmaris [256]
3 years ago
6

Suppose you have $75 to spend on gas for your whole trip. You know that gas costs $3.40 per gallon. How many gallons of gas can

you buy with $75? Write an equation to solve the problem. Round your answer to the nearest tenth of a gallon.

Mathematics
2 answers:
raketka [301]3 years ago
6 0
75 divided by 3.40= 22.05
Lelu [443]3 years ago
4 0
The answer is 22! hope this helped !

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4.5x – 2y = 15<br> 3x - y =10<br><br> (answer as a combined pair)
prisoha [69]

Answer:

x = 10/3 , y = 0

Step-by-step explanation:

Solve the following system:

{4.5 x - 2 y = 15

3 x - y = 10

In the first equation, look to solve for x:

{4.5 x - 2 y = 15

3 x - y = 10

4.5 x - 2 y = (9 x)/2 - 2 y:

(9 x)/2 - 2 y = 15

Add 2 y to both sides:

{(9 x)/2 = 2 y + 15

3 x - y = 10

Multiply both sides by 2/9:

{x = (4 y)/9 + 10/3

3 x - y = 10

Substitute x = (4 y)/9 + 10/3 into the second equation:

{x = (4 y)/9 + 10/3

3 ((4 y)/9 + 10/3) - y = 10

3 ((4 y)/9 + 10/3) - y = ((4 y)/3 + 10) - y = y/3 + 10:

{x = (4 y)/9 + 10/3

y/3 + 10 = 10

In the second equation, look to solve for y:

{x = (4 y)/9 + 10/3

y/3 + 10 = 10

Subtract 10 from both sides:

{x = (4 y)/9 + 10/3

y/3 = 0

Multiply both sides by 3:

{x = (4 y)/9 + 10/3

y = 0

Substitute y = 0 into the first equation:

Answer:  {x = 10/3 , y = 0

7 0
2 years ago
What is the answer ? ....​
Alexxandr [17]

Answer:

9.) A

10.) B

Step-by-step explanation:

please mark as brainliest

7 0
2 years ago
What is 8/15 + (-6/15)=
patriot [66]

Answer:

0.1333 or \frac{2}{15}

Step-by-step explanation:

The attached image contains the steps.

8 0
2 years ago
What is 13x-8 less than or equal to -32 simplified?
lapo4ka [179]

Answer:

Add

8

8 to both sides

1

3

x

≥

−

3

2

+

8

13x≥−32+8


2 Simplify

−

3

2

+

8

−32+8 to

−

2

4

−24

1

3

x

≥

−

2

4

13x≥−24


3 Divide both sides by

1

3

13

x

≥

−

2

4

1

3

x≥−

​13

​

​24

​​


3 0
3 years ago
Read 2 more answers
A bicyclist travels at a rate of 13 miles an hour. If the bicyclist continues at this rate, how many miles can the bicyclist tra
LenKa [72]
7.5 miles because 13/2
3 0
3 years ago
Read 2 more answers
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