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2 years ago

8

What is the slope and y intercept of 4×+2y=-6

1 answer:

Brilliant_brown [7]2 years ago

7 0

Slope is = -2
y Intercept is= 3

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A car travels along a straight stretch of road. It proceeds for 16.2 mi at 57 mi/h, then 24.6 mi at 44 mi/h, and finally 45.1 mi

LekaFEV [45]

Answer:

The average velocity the entire trip was 43.25 mi/h

Step-by-step explanation:

In this case we have to calculate an average based on the miles traveled. First we have to calculate the total of miles traveled, then calculate the portion of the total travel of each and with this calculate the average speed during the trip. First the total miles traveled:

$TotalMiles=16.2+24.6+45.1=85.9$

Now the percentages:

At 57 mi/h were $\frac{16.2}{85.9}=0.19$

At 44 mi/h were $\frac{24.6}{85.9}=0.29$

At 37.8 mi/h were $\frac{45.1}{85.9}=0.52$

Now multiplying the speed by the portion and summing them we can have the average velocity:

$57*0.19+44*0.29+37.8*0.52=43.25$

The average velocity the entire trip was 43.25 mi/h

5 0

2 years ago

Kent is cutting a long tree into pieces. He cut the trunk into 3 pieces. Then he cut each of those pieces into 3 smaller pieces.

VladimirAG [237]

Answer:

27

Step-by-step explanation:

he started by cutting one log into 3

1×3=3

then cutting each of those into 3

3×3=9

then again

9×3=27

6 0

3 years ago

Mr. Osborne needs two students to help him with a demonstration. He decides to draw two names out of a bag to make things fair.

Vladimir79 [104]

Yes thrust if forest

8 0

3 years ago

Read 2 more answers

Find the measure of K

eimsori [14]

Answer:

50+50=100

180-100=50

The answer is 40

5 0

2 years ago

Increase $32 in the ratio 2:5<br>decrease 54 litter in the ratio 5:1<br>

Novay_Z [31]

Answer:

Step-by-step explanation:

32 = 2 : 5

32/7 = 4

2 x 4 : 4 x 5

8 : 20

8 0

2 years ago