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yaroslaw [1]
3 years ago
8

PLEASE I NEED HELP THX :) <3

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer: 5/2

Step-by-step explanation:

Plug in two points from the table into the formula y2-y1 divided by x2-x1

I hope this helps.

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Mr. and Mrs. Gomez are buying carpet for their square shape bedroom which means 7 yd along each wall the carpet carpet is $24 pe
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Answer:

They will be spending 224 $

Step-by-step explanation:

24x7=168

8x7= 56

168+56=224

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Please answer this question ​
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Helppppp! Which answer choice correctly describes the relationship between two of the lines in the figure?
Delicious77 [7]
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3 years ago
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Two planes start flying towards each other simultaneously from two different cities. The distance between the cities is 960 mile
ANTONII [103]

Answer:

257.5 mph

332.5 mph

Step-by-step explanation:

The initial distance between the two planes is 960 miles, while the final distance (after t=1.5 h) is 75 miles, so the total distance covered by the two planes in 1.5h is

d=960-75=885 miles

Calling v1 and v2 the velocities of the two planes, we have the following equations:

(1) v_1 = v_2 + 75 --> velocity of plane 1 exceeds velocity of plane 2 by 75 mph

(2) v_1 t+ v_2 t=885 --> the total distance covered by the two planes is 885 miles (t=1.5 h is the time, and the products v1 t and v2 t represent the distance covered by each plane)

Substituting t=1.5 h, the second equation becomes:

1.5 v_1+1.5 v_2=885\\v_1 + v_2 = 590

By substituting (1) into this last equation, we find:

(v_2+75)+v_2 = 590\\2v_2 + 75 = 590\\2v_2 = 515\\v_2=257.5

And substituting this back into eq.(1), we find

v_1 = 257.5 + 75=332.5

So, the speeds of the two planes are

257.5 mph

332.5 mph



3 0
3 years ago
In 3 years time Sarah will be twice as old as Emma was last year .Emma now 11 years how old is Sarah
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Answer:

Sarah is 25 years old

Step-by-step explanation:

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3 years ago
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