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zalisa [80]
3 years ago
6

In 1992, Jason bought a gallon of gas for $1.18. Yesterday, he bought a gallon of gas for $2.17. What is the percentage increase

in the price of a gallon of gas from 1992 to yesterday? If necessary, round to the nearest tenth of a percent.
A.
83.9%
B.
16.1%
C.
45.6%
D.
54.4%
Mathematics
2 answers:
nevsk [136]3 years ago
8 0

Answer:

D

Step-by-step explanation:

lubasha [3.4K]3 years ago
7 0

I'm pretty sure the answer is 54.4% (D).

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Carlos harvests cassavas at a constant rate. He needs 35 minutes to harvest a total of 15cassavas. Write an equation to describe
wariber [46]

the ans is c=15/35t

hope it helps/can i get brainiest?

8 0
3 years ago
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If g(x)=−3x+9 g ( x ) = − 3 x + 9 and f(x)=2x+7 f ( x ) = 2 x + 7 , what is the value of g(f(x)) g ( f ( x ) ) ?
olya-2409 [2.1K]
G(f(x)) = g(2x +7) = -3(2x +7) +9 = -6x -21 +9

g(f(x)) = -6x -12
5 0
4 years ago
Help asap plz? Thank you
kramer

Answer:

y = f(x) = ( x + 4 )( x - 1 )( x - 3 )

Step-by-step explanation:

Let the equation of the curve drawn on the graph is y = f(x)

We have to find an expression for f(x).

If we take y = 0, then there will be three values of x which are -4, 1 and 3.

Since, there is three solutions of f(x) = 0, hence, f(x) will be a three degree polynomial. and ( x + 4 ), ( x - 1 ) and ( x - 3 ) will be the three factor of the equation.

Therefore, y = f(x) = ( x + 4 )( x - 1 )( x - 3 ) is the required equation of the graph. (Answer)

8 0
3 years ago
F÷−32=−31<br><br> whats the answer?
Archy [21]

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "/-32" was replaced by "/(-32)".

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

f/(-32)-(-31)=0

Step by step solution :

STEP

1

:

f

Simplify ———

-32

Equation at the end of step

1

:

f

——— - -31 = 0

-32

STEP

2

:

Rewriting the whole as an Equivalent Fraction

2.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using -32 as the denominator :

-31 -31 • -32

-31 = ——— = —————————

1 -32

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

f • -1 - (-31 • 32) 992 - f

——————————————————— = ———————

32 32

Equation at the end of step

2

:

992 - f

——————— = 0

32

STEP

3

:

When a fraction equals zero

3.1 When a fraction equals zero

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

992-f

————— • 32 = 0 • 32

32

Now, on the left hand side, the 32 cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

992-f = 0

Solving a Single Variable Equation:

3.2 Solve : -f+992 = 0

Subtract 992 from both sides of the equation :

-f = -992

Multiply both sides of the equation by (-1) :

f = 992

the answer is f = 992

8 0
3 years ago
Read 2 more answers
Please help me with this question with full solutions!!!
Novay_Z [31]

Answer: Choice C

x/w and z/(y+v)

======================================================

Explanation:

All answer choices have that first fraction with a denominator of w. This implies that AB = w is the hypotenuse. This only applies to triangle ABD.

Focus on triangle ABD. It has an opposite leg of AD = x, when the reference angle is ABD (or angle B for short).

So we can say sin(ABD) = opposite/hypotenuse = AD/AB = x/w

x/w is one of the answers

-----------

Also note how y+v is the same for each denominator in the second fraction. y+v is the hypotenuse of triangle ABC. When the reference angle is ABD (aka angle ABC), the opposite side of this same triangle is AX = z

Therefore,

sin(ABD) = sin(ABC) = opp/hyp = AC/BC = z/(y+v)

z/(y+v) is the other answer

Side note: triangle ACD is not used at all.

5 0
3 years ago
Read 2 more answers
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