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4 years ago

What is the distance between the point (-7,3) and (4, -5) on a coordinate plane?

1 answer:

7 0

To find this, use the distance formula. D= square root over... (x2-x1)^2+ (y2-y1)^2. Now plug in your coordinates.
D= square root... (4- -7)^2+ (-5-3)^2. Simplify. 4- -7=11 (two neg= positive) -5 -3= -8. So,
D= square root... 11^2+ -8^2. Simplify. 11^2= 121. And -8^2=64. Now just take the square root after adding. 121+64= 185. And the square root of 185 isn’t a whole number, so your final answer is D= (square root over) 185. Hope this helps

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What is the perpendicular slope to the line -2y - 5x = 10?

Mariana [72]

Your answer would be -5/2

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3 years ago

Read 2 more answers

(Unitary Method)

Sati [7]

Given :-

12 workers can do a piece of work in 20 days .

To Find :-

How many workers should be added to complete the work in 16 days ?

Solution :-

According to the question ,

→ In 20days 12 workers can do a piece of work.

→ In 1day 12*20 workers can do that work

( Less days , more workers )

→ In 16 days 12*20/16 = 15 workers can do the work.

So 15 -12 = 3 workers should be added to complete the work.

Hence the required answer is 3 .

I hope this helps.

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3 years ago

Select all sets in which the number -5 is an element

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3 years ago

A fertilizer covers 3 4 square foot in 1 2 hour. The unit rate is square feet per hour.

Alenkasestr [34]

Answer:

$2\frac{5}{6}$ square foot per hour

Step-by-step explanation:

The total area covered = 34 square foot

Time taken = 12 hours

This implies that it takes 12 hours to cover 34 square foot.

Using proportionality,

12 hours ---------------------------------------> 34 square foot

Dividing both sides by 12

$\frac{12}{12} hours$ ---------------------------> $\frac{34}{12} square foot$

1 hour ---------------------------------------> $2\frac{5}{6}$ square foot per hour

The unit rate in square feet per hour is $2\frac{5}{6}$ square foot per hour

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3 years ago

Find the measure of 14x+7+44+9x+3=180?

IRISSAK [1]

Answer:

X = 40

Step-by-step explanation:

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3 years ago