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DENIUS [597]
3 years ago
10

Find the equation of the line.

Mathematics
1 answer:
Grace [21]3 years ago
7 0

Answer:

m:-\frac{1}{3}

Step-by-step explanation:

Pick two points (0,5) and (3,4)

use the formula to find slope: \frac{y2-y1}{x2-x1}

Insert values: \frac{4-5}{3-0}

m:-\frac{1}{3}

:-)

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amy has 72 Suites in a bag she keeps one fourth of them for herself and share the rest with their friends how many sweets will h
yKpoI14uk [10]
So,

If she keeps one-fourth for herself, she will keep:
72 * 0.25 = 18

That leaves the rest for her friends.
72 - 18 = 54

Her friends will get 54 "Suites."
8 0
3 years ago
The formula for the volume of a cone is V = r²h, where r is the radius of the
pshichka [43]

Answer:

<u>h = V/r²</u>

Step-by-step explanation:

The formula is :

  • V = r²h (actually 1/3πr²h in real life)

Solving :

  • Dividing both sides by r²
  • V/r² = r²h/r²
  • <u>h = V/r²</u>
3 0
2 years ago
Give the rate in miles per hour round to the nearest tenth Rachel jogs 20 feet in three seconds
Ostrovityanka [42]

Answer:

4.5 miles per hour is her rate in miles per hour

Step-by-step explanation:

We want to convert 20 ft per second to miles per hour

If she jogs 20 ft in 3 seconds , then in one second , she will jog 20/3 ft

So convert 20/3 ft/second to miles per hour

Mathematically;

1 mile = 5280 feet

So one feet = 1/5280 mile

1 hour = 3600 seconds

1 second = 1/3600 hour

So, to go from miles/hour to ft/second ; we shall multiply by 1/5280 and divide by 1/3600

Hence; we have;

(20/3 * 1/5280)/1/3600

= 20/3 * 1/5280 * 3600/1

= 4.4545 which is 4.5 miles per hour

7 0
3 years ago
During the big storm, 30 in. of snow fell in 7 h. Find the rate of snowfall in inches per hour.
andrew-mc [135]
30 divided by 7 is 4.2z
It snowed 4.2 inches per hour
3 0
2 years ago
Correct answers only please!
Semmy [17]

Answer:

62.7°

Step-by-step explanation:

9 = Hypotenuse

8 = Opposite

In this question we have to use some trigonometry to work out angle EFG. The first thing we need to identify is will formula will we use out of the following:

Sin⁻¹ = Opposite ÷ Hypotenuse

Tan⁻¹ = Opposite ÷ Adjacent

Cos⁻¹ = Adjacent ÷ Hypotenuse

We know which formula to use because the length won't be in the triangle for example we will be using the Sin triangle because we don't have an adjacent. If we don't have an adjacent then the other formula's won't work.

Now we substitute in the values

Sin⁻¹ = Opposite ÷ Hypotenuse

Sin⁻¹ = 8 ÷ 9

The value of angle EFG is 62.73395555

5 0
3 years ago
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