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3 years ago

14

Select the equation of the line parallel to the equation y = -2x - 7 that passes through the point (3, 1).

1 answer:

cupoosta [38]3 years ago

6 0

Parellel would mean that it's the same slope, so it's one of the first three. Checking each of them individually, we see that the first one, when you plug in 3, results in 1, getting (3,1)!

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The gas tank is 20% full. At $3.00 per gallon of gas, find the cost to fill the tank. (1 gal = 231 in.3)

rewona [7]

The correct question in the attached figure

we know that

to fill the tank is required--------> 100%-20%--------> 80%
if 20% of the gas tank is-----------------> 288.75 gal
80% --------------------------------------> X gal
X=80*288.75/20--------> X=1155 gal

if 1 gal----------------> cost $3
1155 gal----------> $X
X=1155*3--------> X=$3465

the answer is
the cost to fill the tank is $3465

7 0

3 years ago

Question 2 of 10

azamat

Answer:

C

Step-by-step explanation:

THe equation given is

2x+2y=16

y=x-4

We put 2nd equation in first equation and first solve for x:

$2x+2y=16\\2x+2(x-4)=16\\2x+2x-8=16\\4x=16+8\\4x=24\\x=\frac{24}{4}\\x=6$

Now, since we know y = x - 4, we substitute x = 6 and get y:

y = x - 4

y = 6 - 4

y =2

The correct ordered pair is (6,2), answer choice C

6 0

3 years ago

What is the z-score of a value that is 0.52 standard deviations less than the mean

solmaris [256]

.6985 is the z score for 0.52. which would be converted into 69.85%, if needed as well.

6 0

3 years ago

The height of a box can be found by dividing its volume by the area of its base,bottom.What is the height of a box that has a vo

SOVA2 [1]

Answer:

6.2 cm

Step-by-step explanation:

$\dfrac{26.35\,\text{cm}^{3}}{4.25\,\text{cm}^{2}}=6.2\,\text{cm}$

The height of the box is 6.2 cm.

5 0

3 years ago

Rewrite the equation 12x=13-x^2

MAXImum [283]

Answer:

x^2+12x-13 = 0

Step-by-step explanation:

12x=13-x^2

=>12x+x^2=13-x^2+x^2

=>x^2+12x-13 = 13-13

=> x^2+12x-13 = 0

4 0

3 years ago

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