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OleMash [197]
3 years ago
8

Can you help me please? Show how you work it out

Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0
The answer is 13.8 because if she paid 20 dollars and it is 1.45 per gallon then you divide 20 and 1.45 to equal how much per gallon so it's 13.7931034 or 13.8 if you round
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Help me , I need i whole number
ad-work [718]

Answer:

16

Step-by-step explanation:

4 goes into 64 evenly 16 times

5 0
2 years ago
What is the percent increase rounded to the nearest percent ,from 5 to 8
krok68 [10]
The increase from 5 to 8 was by 60%.
5 0
3 years ago
Rose has 500$ in her savings account be.She can earn simple interest at 5% per annum. What is the simple interest after 1 year
ohaa [14]

Answer: 5k

Step-by-step explanation:

4 0
2 years ago
Rachel hikes at a steady rate from a ranger station to a campground that is 20 mi away. After 2 h, she is 13 mi from the campgro
Angelina_Jolie [31]

Answer:

-3.5

The distance Rachel covers per hour is 3.5 miles

Step-by-step explanation:

After 2 hours, she is 13 miles from the campground.

After 4 hours, she is 6 miles from the campground.

Let x be the number of hours, y be the number of miles from the campground, then we have two points (2,13) and (4,6).

The equation of the line passing through the points (x_1,y_1) and (x_2,y_2) is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

Substitute:

x_1=2\\ \\y_1=13\\ \\x_2=4\\ \\y_2=6

Hence,

y-13=\dfrac{6-13}{4-2}(x-2)\\ \\y-13=-3.5(x-2)\\ \\y=-3.5x+7+13\\ \\y=-3.5x+20

The slope of the line is -3.5 and it represents that  the distance Rachel covers per hour is 3.5 miles.

8 0
3 years ago
Under her cell phone plan, Janelys pays a flat cost of $46.50 per month and $5 per gigabyte. She wants to keep her bill under $7
allsm [11]

Answer:

Less than 4.70 GB

Step-by-step explanation:

Let x = # of GB that Janelys uses that month. Since Janelys wants to pay less than $70 given that the flat rate for subscribing to that company's data per month is $46.50 and each GB costs $5 to use, the inequality can be written as:

5x + 46.50 < 70

5x < 23.50                        Subtract $45.60 from each side.

x < 4.70 GB                       Divide 5 from each side.

Thus, (if it is whole numbers) Janelys can use 4 GB while staying within her budget or (if decimals are fine) anything less than 4.70 GB. Hope this helped! :D

8 0
3 years ago
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