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3 years ago

18 is what percent of 60

2 answers:

7 0

100%/x%=60/18
(100/x)*x=(60/18)*x 
100=3.33333333333*x (3.33333333333)
100/3.33333333333=x 
30=x 
x=30

now we have: 
18 is 30% of 60

kow [346]3 years ago

5 0

18 = x% * 60

18 = x/100 * 60

18 = x/10 * 6

Multiply 10 on both sides.

180 = x * 6

6x = 180

Divide 6 on both sides.

x = 180/6

x = 30

18 is 30 percent of 60.

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I need help with this question.

LenaWriter [7]

Answer:

8/20, 5/20

Step-by-step explanation:

2/5 - 4/10 6/15 8/20

1/4 - 2/8 3/12 4/16 5/20

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3 years ago

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Find the surface area and volume of a sphere with a radius r = 0.8 ft. Round your answer to the nearest tenth. A. 7.8 ft2; 2.6 f

fiasKO [112]

Surface area of a sphere = 4πr²

Surface area of the sphere = 4π(0.8)² = 8.0 ft²

Volume of a sphere = 4/3 πr³

Volume of the sphere = 4/3 π(0.8)³ = 2.1 ft³

Answer: Surface area = 8.0 ft² and volume - 2.1 ft³ (Answer C)

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3 years ago

Segment AB has point A located at (6, 5). If the distance from A to B is 5 units, which of the following could be used to calcul

sesenic [268]

The expression $5 = \sqrt{(x-6^2)+(y - 5)^2}$ can be used to find the coordinate of Point B. Option C is correct.

Given that,
Segment AB has point A located at (6, 5). If the distance from A to B is 5 units, which of the following could be used to calculate the coordinates for point B is to be determined.

<h3>What is the equation?</h3>

The equation is the relationship between variables and represented as y = ax +c is an example of a polynomial equation.

Let the coordinates of B be (x, y)
Now the distance between A (6, 5) and B (x, y) is c = 5 units
So, by the distance formula, the distance between two points is given as,

$C = \sqrt{(x_1-x_2)^2 +(y_1-y_2)^2}$

now put the value in the formula.

$5 = \sqrt{(x-6^2)+(y - 5)^2}$

Thus, expression $5 = \sqrt{(x-6^2)+(y - 5)^2}$ can be used to find the coordinate of Point B. Option C is correct.

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4 0

1 year ago

The patio shown has an area of 116 square feet. What is the value of h?

Oduvanchick [21]

Answer:

8 ft

Step-by-step explanation:

if we made this into a rectangle (pretend you chop off one of the triangles and glue it to the other one to make a long rectangle), the length would be 10+4.5, or 14.5. to find what h is, we can just divide 116 by 14.5. our answer is 8.

8 0

3 years ago

Find the points of intersection of the following function graphs: y=20x−70 and y=70x+30

LekaFEV [45]

Answer:

(-2,-110)

Step-by-step explanation:

First solve for x

20x−70=70x+30

x= -2

Now substitute x for -2

y=20x−70

y=20(-2)-70

y = -110

4 0

3 years ago