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2 years ago

What is 3/4 in a percent

Mathematics

2 answers:

IrinaK [193]2 years ago

5 0

Answer:

75%

Step-by-step explanation:

Convert the fraction into a decimal number. Multiply the obtained decimal number by 100, to get a percent value.

sergij07 [2.7K]2 years ago

3 0

Answer:

3/4 in a percent is 75%

Step-by-step explanation:

To change a fraction to a decimal you divide the numerator by the denominator. In this case that would be 3 divided by 4 which is 0.75, to change the decimal to a percent you move the decimal two places to the right.

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Cassie is measuring the dimensions of her bedroom wall so that she will know how much paint to buy. which of the choices shown i

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She needs to measure the area of the wall

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Write the quadratic function in vertex form, then identify the vertex

34kurt

Answer:

vertex = (- 10, - 10 )

Step-by-step explanation:

The equation of a quadratic in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square.

Given

h(x) = x² + 20x + 90

add/subtract ( half the coefficient of the x- term )²

h(x) = x² + 2(10)x + 100 - 100 + 90

= (x + 10)² - 10 ← in vertex form

with (h, k ) = (- 10, - 10 )

8 0

3 years ago

There are 30 balls numbered 1-30 in a bag. One is randomly selected 12 times. What is the probability of getting a prime number

Sliva [168]

Answer: The probability of getting a prime number exactly five times = 0.1908

Step-by-step explanation:

Prime numbers from 1 to 30 are 2,3,5,7,11, 13, 17, 19, 23, 29.

The probability of getting a prime number p= $\dfrac{10}{30}=\dfrac13$

Number of trials n = 12

Binomial probability formula:

$P(X=x) = \ ^nC_x p^x(1-p)^{n-x}$

, where x= number of successes

n= number of trials.

x = Number of successes

p= probability of getting one success.

The probability of getting a prime number exactly five times:

$P(X=5)=\ ^{12}C_5(\frac13)^5(1-\frac13)^{7}$

$=\frac{12!}{5!7!}(\frac1{243})(\frac{128}{2187})\\\\=0.1908$

Hence, the probability of getting a prime number exactly five times = 0.1908

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3 years ago

Suppose M(3-1) is the midpoint and B has coordinates (1,4). What are the coordinates of A?

yarga [219]

M (7,9) is the answer

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3 years ago