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anastassius [24]
3 years ago
8

Give good evidence to back it up and i will give brainliest. thnx to whoever helps.

Mathematics
1 answer:
Anna007 [38]3 years ago
6 0

Answer:

Step-by-step explanation:

well, every hour she drives, she loses 2 gallons. so when she was 2 hours in, she was at 8 gallons, when she was 1 hour in, she was at 10 gallons, and when she started, she was at 12 gallons.

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A rectangle has a length that is 7 inches less that twice it's width. The area of the rectangle is 72 square inches. Write an eq
Nitella [24]

Answer: 2x^2-7x=72 , where  x= width of the rectangle ( in inches).

Step-by-step explanation:

Let x= width of the rectangle ( in inches).

Then its length =  2x-7 ( in inches).

Area of rectangle = Length × width

= (2x-7) × (x)

= 2x × x -7 ×x

= 2x²-7x

The area of the rectangle is 72 square inches.

\Rightarrow\ 2x^2-7x=72

Hence, the equation that represents the given situation :

2x^2-7x=72

7 0
3 years ago
Pls bro i need help asap
kumpel [21]

Answer:

Step-by-step explanation:

i suck at math um i have no life

6 0
3 years ago
If a math student Square both legs of a right triangle and the results were 441 and 400, what is the length of the hypotenuse of
kolezko [41]

Answer:

29 \\

Solution:

According to the Pythagorean Theorem, is that the square of the hypotenuse is equal to the sums of squares of the two legs in which if you take the square root of the sum you are going to get the actual length of the hypotenuse but the two legs are already squared so all you have to do now is sum them and take the square root of it.

\sqrt{441  +  400}  \\  \sqrt{841} \\ 29

7 0
3 years ago
Solve the following system of equations. Express your answer as an ordered pair in the format (a,b), with no spaces between the
AVprozaik [17]
Multiply the equation 2x+7y=-1 by -2

add to othe equaiton
4x-3y=-19
<u>-4x-14y=2 +</u>
0x-17y=-17

-17y=-17
divide both sides by -17
y=1

sub back
2x+7y=-1
2x+7(1)=-1
2x+7=-1
minus 7 from both sides
2x=-8
divide both sides by 2
x=-4

x=-4
y=1
(x,y) is normal form
(-4,1) is answer
7 0
3 years ago
Read 2 more answers
Find three consecutive even integers, such that
SIZIF [17.4K]

Answer:

8,10 ,12

Step-by-step explanation:

x

x+2

x+4

    5x-18 =x+2 + x+4

5x-18=2x+6

3x=24

x=8

   8*5=40   40-18= 22

   10+12 = 22

7 0
3 years ago
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