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Ymorist [56]
3 years ago
14

Roger drives 256km and uses 20l of fuel. what is his average fuel consumption for 100km?

Mathematics
1 answer:
Bezzdna [24]3 years ago
3 0

Answer:

7. 8125 l

Step-by-step explanation:

256 km ....... 20l

100 km ...........x l

x = 100×20/256

= 7. 8125 l

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Write an equation in slope-intercept form for the line that is parallel to y=−4x−3 and that passes through the point (−2,4).
kirill115 [55]

Answer:

The Correct option is Last one y=-4x-4

Therefore, equation of the line in slope-intercept that passes through (-2,4) and is parallel to the line y=-4x-3 is y=-4x-4

Step-by-step explanation:

Given:

y=-4x-3

To Find:

Equation of line passing through ( -2, 4) and is parallel to the line y=-4x-3

Solution:

y=-4x-3 ..........Given

Comparing with Slope-Intercept form,  

y=mx+c

Where m =slope  

We get

Slope = m = -4

We know that parallel lines have Equal slopes.

Therefore the slope of the required line passing through (-2 , 4) will also have the slope = m = -4.

Now the equation of line in slope point form given by

(y-y_{1})=m(x-x_{1})

Substituting the points and so we will get the required equation of the line,

(y-4))=-4(x-(-2))=-4x-8\\\\y=-4x-8+4=-4x-4\\\\y=-4x-4......Equation\ of\ line

Therefore, equation of the line in slope-intercept that passes through (-2,4) and is parallel to the line y=-4x-3 is y=-4x-4

8 0
3 years ago
Negative one and three fifths divided by negative two thirds
nadya68 [22]

Answer:

12 over 5, or 2.4

Step-by-step explanation:

I plugged it in my graphic calculator.

5 0
3 years ago
A washer and a dryer cost $744 combined, the washer costs $94 more than the dryer, what is the cost of the dryer?
sp2606 [1]
Answer: 325$

Explanation:
Assume: A is the cost of washer
And B is the cost of dryer

A+B = 744
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B + 94$ + B = 744
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allochka39001 [22]

Answer:

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Step-by-step explanation:

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2 years ago
Urgent!!!!
Reika [66]

Answer:

2x=80°

x=40°

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Step-by-step explanation:

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5 0
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