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3 years ago

45 as a product of prime factors

Mathematics

2 answers:

Darya [45]3 years ago

5 0

3*3*5 is equal to 45 AND its factors are prime.

:)

Fudgin [204]3 years ago

5 0

(3²)×5=45

3 and 5 are prime numbers

hope this helped

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A bank sampled its customers to determine the proportion of customers who use their debit card at least once each month. A sampl

Zinaida [17]

Answer:

(0.084,0.396)

Step-by-step explanation:

The 99% confidence interval for the proportion of customers who use debit card monthly can be constructed as

$p-z_{\frac{\alpha }{2}} \sqrt{\frac{pq}{n} }$

$p=\frac{x}{n}$

$p=\frac{12}{50}$

$p=0.24$

$q=1-p=1-0.24=0.76$

$\frac{\alpha }{2} =\frac{\0.01 }{2}=0.005$

$p-z_{\frac{\alpha }{2}} \sqrt{\frac{pq}{n} }$

$0.24-z_{0.005} \sqrt{\frac{0.24*0.76}{50} }$

$0.24-2.58(0.0604)$

$0.24-0.155832$

By rounding to three decimal places we get,

$0.084$

The 99% confidence interval for the proportion of customers who use debit card monthly is (0.084,0.396).

3 0

3 years ago

A circle has a radius of 12 and a center at (-7,4) Find the equation of the circle

Eddi Din [679]

The equation for the circle is

(x+7)^2+(y-4)^2=12^2

4 0

3 years ago

Read 2 more answers

Which of the following ratios is not equivalent to the following statement: The ratio of right-handed students to left-handed st

sukhopar [10]

In (A), we have 9 : 2.

Multiply by 2, we get 18 : 4

In (B), we have 36 : 8.

Divide by 2, we get, 18 : 4.

In (D), we have 54 : 12.

Divide by 3, we get, 18 : 4.

Hence, (C) is not equivalent to the given statement.

6 0

3 years ago

7 x 3/4

Mkey [24]

7 3/4

Step 1: Multiply 7 and 4.

7 x 4=28

Step 2:Add 3 to their product.

28+3=31

Step 3:The number so obtained is the numerator and the denominator remains the same.

Answer: 31/4

I think that is what you are looking for!

Hope that helps!!!

7 0

3 years ago

A sweater that cost $63 and are sold for $54

Alik [6]

Answer:

not sure what the question is but here are some possible answers

Step-by-step explanation:

cost 63 - sell price 54 = 9 dollars lost per sweater sold

percentage of lose per sweater would be 14%

3 0

3 years ago