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Irina-Kira [14]
3 years ago
10

In November 2010 The average cost of 5 gallons of regular unleaded gasoline in the United States was $14.46 what was the average

cost for 16 gallons of gas
Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0

Answer:

$46.27

Step-by-step explanation:

we know that

The average cost of 5 gallons of regular unleaded gasoline in the United States was $14.46

using proportion

Find out the average cost for 16 gallons of gas

Let

x ----> the average cost for 16 gallons of gas

\frac{5\ gal}{\$14.46}=\frac{16\ gal}{x}\\\\x=16(14.46)/5\\\\x=\$46.27

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Furkat [3]

Answer:

C. Keeping track of your debit card transactions will help avoid charges resulting from insufficient funds.

Step-by-step explanation:

Correct on TTM

6 0
3 years ago
Read 2 more answers
Write an exponential function in the form y = ab that goes through points (0,4)<br> and (2, 196).
yawa3891 [41]

Answer:

y = 4(7)^{x}

Step-by-step explanation:

The form of the exponential function is y = a b^{x}

Use the given points to solve for a and b

Using (0, 4 ), then

4 = ab^{0} ( b^{0} = 1 ), thus a = 4

y = 4 b^{x}

Using (2, 196 ), then

196 = 4b² ( divide both sides by 4 )

49 = b² ( take the square root of both sides )

b = \sqrt{49} = 7

y = 4(7)^{x} ← exponential function

6 0
3 years ago
Can you please help with both? :)​
QveST [7]

Answer: 1. 12 2. 120

Step-by-step explanation:

1. so basically 9/6=18/x

since they are similir the'd have the same ratio

sooo you just solve for x (multiply 6 by 18, and then divide by 9) and you get 12

2. same thing except you put 6/10=12/x, and solve it (multiply 10 by 12 and divide by 6) and u get 20

dats how i would do it but there are other ways too im sure :)

hope this helps

8 0
2 years ago
Work out the smallest integer value of x that satisfies the inequality 4x-3&gt;22. ( I have not learned this question in maths )
matrenka [14]

4x>22+3

4x>25

x>25/4

x>6.35

5 0
3 years ago
Somebody please help me out!
dmitriy555 [2]
Since the triangles are similar, all sides are proportional by the same scale factor.
The relationship between the bases 32 and 8 is 4 (32/8 = 4). This means that the smaller triangle need to be multiplied by a scale factor 4 to result in the bigger triangle.
This means that 4x + 12 is 4 times greater than 15.
The equation to solve for x can be written as:
4x + 12 = 4*15
Now just solve for x as u normally would
4x + 12 = 60
(Subtract twelve from both sides)
4x = 48
(Divide both sides by 4 to isolate x)
x = 12

I hope this somewhat helped :)
Was my explanation clear enough?
4 0
3 years ago
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