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natita [175]
3 years ago
15

What percent of 60 is 18

Mathematics
2 answers:
Liula [17]3 years ago
7 0
60        18
----  =  ------
100        x        ←Unknown variable

↑
60% over 100%

You would then simplify by cross multiplying

60x   1800
---- = -------        *Isolate the variable*
60      60

x=30

60% of 30 is 18.
yawa3891 [41]3 years ago
6 0
The answer to your question is 30%
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The radius of a circle is 4 feet. What is the length of a 90° arc? HELP ME PLEASE
Elza [17]

Answer:

6.3feet

Step-by-step explanation:

Given data

Radius= 4feet

The expression for the circumference of a circle is

C= 2πr

Substitute

C=2*3.142*4

C=25.136 feet

Also, a 90° arc is 1/4 of the circumference of a circle

Hence the length of the 90° arc is

=25.136/4

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4 0
3 years ago
Find the diameter, given the circumference of a circle is 40.035 cm.
LekaFEV [45]

Answer:

12.75

Step-by-step explanation:

c = π x d

40.035= 3.14 x d

40.035/3.14 = 12.75

8 0
3 years ago
Find the value of x.
dimaraw [331]

Answer:

2\sqrt{77}

Step-by-step explanation:

Use the Pythagorean theorem. a^{2} +b^{2}=c^{2}

a and b are the two side lengths

c is the hypotenuse (value across from the right angle)

Plug in the values that you are given.

a^{2} +4^{2} =18^{2}

Solve for x

x^{2} =18^{2} -4^{2}

x^{2} =308

x=\sqrt{308}

x=2\sqrt{77}

5 0
3 years ago
The heights of some students are given 158cm 171cm 164cm 164cm 167cm 159cm what is the range of the heights?
bogdanovich [222]

Answer:

The range of students is 13.

Step-by-step explanation:

Take the largest number and subtract it from the smallest number. For example, 171 - 158 = 13 cm.

8 0
3 years ago
Find the unit rate:<br><br> $1.32 for 12 ounces<br><br> plz help
iren2701 [21]

Answer:

<h2>$0.11 per ounce</h2>

Step-by-step explanation:

$1.32/12oz = x/1oz

Cross Multiply.

1.32 = 12x

Divide both side by 12.

1.32/12 = x

Convert to decimal.

$0.11 for 1 ounce

3 0
2 years ago
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