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Inessa [10]
3 years ago
14

Convert 3/20 to a percent

Mathematics
2 answers:
vfiekz [6]3 years ago
8 0

To write a fraction as a percent, first remember that a percent is a ratio of a number to 100. If we want to convert \frac{3}{20} to a percent, we need to find a fraction equivalent to \frac{3}{20} that has a 100 in the denominator. We can do this by setting up a proportion.

\frac{3}{20} = \frac{n}{100}

Now, we can use cross products to find the missing value.

3 × 100 = 300

20 × n = 20n

300 = 20n ← Divide both sides by 20.

15 = n

Therefore, \frac{3}{20} as a percent would be 15%.

Nana76 [90]3 years ago
7 0
Answer: 15% , you divide the Numerator by the Denominator and you will get a decimal of . 15 then you multiply that by 100 and you will get your percentage which in this case is 15%

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3 years ago
1. A triangular swimming pool is an isosceles triangle in shape. The two
Nady [450]

Answer:

Side a = 35ft

Side b = 35ft

Side c = 20ft

Step-by-step explanation:

The formula for the perimeter of a triangle = Side a + Side b + Side c

In an isosceles triangle, 2 sides are equal to each other.

So, Side a = Side b

In the question, we are told that:

The two equal sides are each 5 ft less than twice the length of the third side.

Hence,

a = 2c - 5

b = 2c - 5

P = 90ft

P = a + b + c

90 = 2c - 5 + 2c - 5 + c

Collect like terms

90 = 5c - 10

90 + 10 = 5c

100 = 5c

c = 100/5

c = 20

The length of the third side = 20ft

a = 2c - 5

= 2 × 20 - 5

= 40 - 5

= 35 ft

b =2c - 5

= 2 × 20 - 5

= 40 - 5

= 35 ft

Therefore,

Side a = 35ft

Side b = 35ft

Side c = 20ft

3 0
3 years ago
Z^m-n (z^m+ z^m+n + z^n)
rusak2 [61]

Answer:Your left hand side evaluates to:

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and your right hand side evaluates to:

m+(−1)mn+(−1)m+np

After eliminating the common terms:

m+(−1)mn from both sides, we are left with showing:

(−1)m+(−1)mnp=(−1)m+np

If p=0, both sides are clearly equal, so assume p≠0, and we can (by cancellation) simply prove:

(−1)(−1)mn=(−1)n.

It should be clear that if m is even, we have equality (both sides are (−1)n), so we are down to the case where m is odd. In this case:

(−1)(−1)mn=(−1)−n=1(−1)n

Multiplying both sides by (−1)n then yields:

1=(−1)2n=[(−1)n]2 which is always true, no matter what n is

8 0
3 years ago
A coordinate plane with a line passing through (0, negative 3), (2, 0), and (4, 3).
Allushta [10]

Answer:

y= (3/2)x-3

Step-by-step explanation:

We need two points to find the equation of a line. Let's take (2,0) and (4, 3).

In the equation y=mx+b, m represents the slope. To find the slope, we can calculate the change in y/change in x. For (2,0) and (4,3), the change in y is 3-0=3 and the change in x is 4-2=2. Therefore, our slope is 3/2.

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8 0
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Provide one reason for when you can use the distance formula.
Pepsi [2]

Answer:

Draw a right triangle such that the distance between the two points is the hypotenuse. Hence, When you use the distance formula, you are calculating the length of the Hypotenuse of a right triangle.

6 0
3 years ago
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