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3 years ago

Please help ! (: ty If you do <3

Mathematics

1 answer:

rewona [7]3 years ago

5 0

47 feet per second. 282/6 = 47

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Find the sum of (6x2 - 9x + 7) and (- 8x2 + 10x - 14)

Lyrx [107]

1. -9x+19
2. 10x-30
hope this helps!

8 0

3 years ago

Austin began a repiping job with 26 yards, 2 feet, 5 inches of pipe. When he finished the job, he had 13 yards, 2 feet, 7 inches

My name is Ann [436]

Answer:

He used 12.944... yards of pipe for the repiping job.

Step-by-step explanation:

We know that, 1 yard = 3 feet and 1 feet = 12 inches.

That means, 1 yard = (3×12) inches = 36 inches.

So, 1 feet = $\frac{1}{3}$ yard and 1 inch = $\frac{1}{36}$ yard.

Thus, 26 yards, 2 feet and 5 inches $=(26+\frac{2}{3}+\frac{5}{36}) yards = 26.805... yards$

and 13 yards, 2 feet and 7 inches $=(13+\frac{2}{3}+\frac{7}{36}) yards = 13.861... yards$

So Austin began a repiping job with 26.805... yards of pipe and when he finshed the job, he had 13.861... yards.

So, the length of the pipe he used for the repiping job will be: $(26.805...-13.861...) yards = 12.944... yards$

8 0

4 years ago

Read 2 more answers

Zoe is comparing two local yoga programs. Yo-Yoga charges a $35 registration fee and $90 a month. Essence Yoga charges a registr

Harrizon [31]

Answer:

After 4 months

Step-by-step explanation:

The cost at both the programs consists of a "fixed cost" (reg fee) & "variable cost" ( per month fee).

Let number of months be "x"

Yo-Yoga:

35 fixed

90 per month

So equation would be: 35 + 90x

Essence Yoga:

75 fixed

80 per month

So equation would be: 75 + 80x

To find number of month when cost would be same, we equate both equations and solve for x:

35 + 90x = 75 + 80x

10x = 40

x = 40/10

x = 4

hence, after 4 months, both cost would be same

4 0

3 years ago

What is the scale factor of a model car if the scale is 1 inch = 2 feet ?

kkurt [141]

There are 24 inches in 2 feet, so the scale is: 1:24

5 0

3 years ago

Solve the two-step equation and identify the steps.

neonofarm [45]

Answer:

x = 15

Step-by-step explanation:

Given

2 = - $\frac{7}{4}$ + $\frac{1}{4}$ x

Multiply through by 4 to clear the fractions

8 = - 7 + x ( add 7 to both sides )

15 = x

8 0

3 years ago