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juin [17]
3 years ago
9

Today, gasoline prices are $3.44 per gallon. One year ago, gasoline prices were $3.75 per gallon. Determine the percent of chang

e in the gasoline price from a year ago to today.
Show how you calculated this change and interpret its meaning in the context of this problem.

Write your answer in the space provided
Mathematics
1 answer:
Deffense [45]3 years ago
3 0
Use a percentage finder ;), also it will show you the work on some sites
;)
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T+2=7<br> t= <br> Please help with this
anygoal [31]

Answer:

t = 5

Step-by-step explanation:

Given

t + 2 = 7 ( isolate t by subtracting 2 from both sides )

t = 7 - 2 = 5

7 0
3 years ago
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the perimeter of a rectangle is 70 cm . if the ratio of the width to the length is 2:5 what is the width ?
denpristay [2]

Answer:

width = 10 cm

Step-by-step explanation:

the ratio of width to length is 2 : 5 = 2x : 5x ( x is a multiplier )

the perimeter (P) of a rectangle is calculated as

P = 2 × width + 2 × length

given P = 70 then

2(2x) + 2(5x) = 70

4x + 10x = 70

14x = 70 ( divide both sides by 14 )

x = 5

Then

width = 2x = 2 × 5 = 10 cm and length = 5x = 5 × 5 = 25 cm

5 0
2 years ago
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According to research Paul Monroe conducted on the Internet, the base price of a new car is $18,844.00, the options total $2,115
ikadub [295]

Answer:

Step-by-step explanation:

a.

$20,123.54

c.

$21,785.00

b.

$20,944.56

8 0
2 years ago
ratio of a rectangle's length to its width is 4:7. If the longer side is 31.5in., find the width, the perimeter, and the area of
Nikitich [7]

Answer:

Step-by-step explanation:

Ratio of length : width = 4 : 7

Length = 4x

Width = 7x

Longer side = 31.5 in

⇒ 7x = 31.5

Divide both sides by 7

x = 31.5/7

x = 4.5

length = 4x

           = 4*4.5

         l = 18 in

width =  31.5

       w = 31.5 in

\boxed{ \text {Perimeter of  rectangle }= 2*l + 2*w}

                                      = 2*18 + 2*31.5

                                      = 36 +  63

                                      = 99 in

\boxed{ \text{Area of rectangle = l*w}}

                             = 18*31.5

                             =  567 in²

                             

3 0
2 years ago
If 7 - 2x = -27, what is the value of 3x + 5?
taurus [48]

Answer: 56

Step-by-step explanation:

7-2x=-27

-2x=-34

x=17

so 3x+5=3(17)+5=56

3 0
2 years ago
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