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zhannawk [14.2K]
3 years ago
9

Write the equation in slope intercept form. what are the slope and y-intercept?

Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0
Slope intercept is basically solve for y
y=mx+b
m=slope
b=yintercept

-3x-10y=7
add 3x to both sides
-10y=3x+7
divide both sides by -10
y=-3/10x-7/10

slope is -3/10
yintercept is -7/10 or at point (0,-7/10)
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You are running a fuel economy study. One of the cars you find is blue. It can travel 41 1/2 miles on 1 1/4 gasoline. Another ca
sashaice [31]

Answer:

Step-by-step explanation:

We want to study the fuel consumption of each car, i.e the amount of mile per gallon the cars will consume

Step one:

given data:

First car

distance covered= 41 1/2 = 41.5miles

amount of gallons= 1 1/4= 1.25gal

the miles per gallons= 41.5/1.25=33.2 miles per gallon

Second car

distance covered= 21 3/5= 21.6miles

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the miles per gallons= 21.6/0.8=27 miles per gallon

1. Therefore the unit rate of

the first car = 33.2 miles per gallon

the second car=27 miles per gallon

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8 0
3 years ago
DOES ANYONE KNOW THE ANSWER?????????
givi [52]

There's only information to answer question C.

We can only know that 32 marbles were chosen. (yellow and black)

Why?

To answer the first two questions (a and b), we need to know the total number of marbles, so, we can only answer the last question (c).

We know that 7/10 of the 20 yellow marbles were chosen.

So, calculating we have:

\frac{7}{10}*20=14(yellow)

Also, we know that 18 black marbles were chosen, so, the total of marbles chosen is equal to 32 (yellow marbles and black marbles)

TotalMarbles=14(yellow)+18(black)=32marbles

Have a nice day!

8 0
3 years ago
If you can help me it will mean a lot.
Assoli18 [71]

Answer:

y - -x + 2.

Step-by-step explanation:

The line passes through (0, 2) and 5, 1) so it slope = (1-2) / (5-0)

= -1 and the y-intercept is  at y = 2 so the equation is

y - -x + 2.

3 0
3 years ago
At midnight the temperature was ➖ 5 degrees Celsius. At noon, the temperature was 19 degrees Celsius. Which expression represent
Yanka [14]

Answer:

cold and hot Is the answer

7 0
3 years ago
How to find the slope of a line perpendicular to each given line?
Sonbull [250]
You just take the original slope and do opposite, reciprocal 
Ex: 
slope= 2/3
perpendicular slope= -3/2
7 0
3 years ago
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