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Kazeer [188]
3 years ago
11

How do I do this number 24

Mathematics
1 answer:
prohojiy [21]3 years ago
4 0
You want to isolate the x first.

Subtract 3/7 from both sides.

That will result in -2/3x = 1/2 - 3/7

(common denominator = 14)

-2/3x = 1/14

Find x by multiplying both sides by 3/-2 

Find the answer yourself after :P
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Y = -1/2x +4<br> x + 2y = -8
Flauer [41]

Answer:

Step-by-step explanation:

b

3 0
3 years ago
Read 2 more answers
Solve the equation 7x-c=k for x
Vlad1618 [11]

Answer:

x=k+c over 7

Step-by-step explanation:

7x-c+c=k+c

7x=k+c

divide both sides by 7

4 0
3 years ago
A cone has a diameter of 3 inches the cone holds 12 cubic inches of water to the nearest in what is the height
LUCKY_DIMON [66]

Answer:

5 inches

Step-by-step explanation:

A cone's volume can be found using the formula V = \frac{1}{3} \pi r^2 h. If the cone has a diameter of 3 inches then its radius is half r= 1.5 inches. Substitute r = 1.5 and V = 12 cubic inches.

V = \frac{1}{3} \pi r^2 h \\12 = \frac{1}{3} \pi (1.5)^2 h \\12 = \frac{1}{3} \pi (2.25) h\\12 = 2.355h\\5.10 = h

This means the height of the cone is 5.10 inches or to the nearest inch 5 inches.

3 0
3 years ago
Pls help! I don’t understand bc I’m not smart-
Ipatiy [6.2K]

Answer:

78.5 m²

Step-by-step explanation:

The formula to find the area of a quarter of a circle: \frac{1}{4} * \pi * r^{2}, where r is the radius (diameter ÷ 2) and the \pi is alterable.

1) Substitute the given values into the formula.

= \frac{1}{4} * 3.14 * 10^{2}

2) Solve it.

= \frac{1}{4} * 314

= 78.5

3) Round it off to the nearest tenth. In this case, it has already been rounded off.

8 0
2 years ago
Simplify The Expression<br> (2n−9)−5(−2.4n+4)
Jlenok [28]

Answer:

14n-29

Step-by-step explanation:

Remove the unnecessary parenthesis around the (2n-9)

(2n-9)-5(-2.4n+4)

Distribute the -5 into the -2.4n+4

2n-9-5(2.4n+4)

2n-9+12n-20

Combine like terms

2n-9+12n-20

14n-9-20

14n-29

3 0
4 years ago
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