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2 years ago

What is 39 cups to pints?

Mathematics

2 answers:

aleksandrvk [35]2 years ago

7 0

Answer:

19.5

Step-by-step explanation

39 cups

39/2 pints

= 19.5

or the formula

39 c = (39 / 2) = 19.5

Natalka [10]2 years ago

6 0

19.5 is the amount of pints in 39 cups

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$10,000 is invested at two different rates. $2,500 is invested at 4%, and the rest is invested at 5%. How much interest is earne

worty [1.4K]

I'm assuming this is a yearly interest.

2500*.04=100
7500*.05=375

so that would be $475 earned from interest

3 0

2 years ago

5(x+2)-7=-32 solve variable. include steps, also check your answer!

Vika [28.1K]

Answer:

Step-by-step explanation:

5x+10-7=-32

5x+3=-32

5x+3-3=-32-3

5x=-35

X=-35/5

X=-7

Check:

5(-7+2)-7=32

5(-5)-7=32

-25-7=-32

-32=-32

This is correct

Mark me as brainliest plz

4 0

2 years ago

Read 2 more answers

The price of a Year 7 mathematics textbook is $60. The store gives a discount of 20% on the textbook.

MAVERICK [17]

Answer:

yes,you can buy the textbook

Step-by-step explanation:

determine discount

60 × 0.2(decimal form of 20%)

=12

apply discount

60-12

=48

50>48✓

7 0

1 year ago

The probability that a call received by a certain switchboard will be a wrong number is 0.02. Use the Poisson distribution to ap

MAXImum [283]

Answer:

0.2008 = 20.08% probability that among 150 calls received by the switchboard, there are at least two wrong numbers.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

The probability that a call received by a certain switchboard will be a wrong number is 0.02.

150 calls. So:

$\mu = 150*0.02 = 3$

Use the Poisson distribution to approximate the probability that among 150 calls received by the switchboard, there are at least two wrong numbers.

Either there are less than two calls from wrong numbers, or there are at least two calls from wrong numbers. The sum of the probabilities of these events is 1. So

$P(X < 2) + P(X \geq 2) = 1$

We want to find $P(X \geq 2)$ . So

$P(X \geq 2) = 1 - P(X < 2)$

In which

$P(X < 2) = P(X = 0) + P(X = 1)$

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 0) = \frac{e^{-3}*3^{0}}{(0)!} = 0.0498$

$P(X = 1) = \frac{e^{-3}*3^{1}}{(1)!} = 0.1494$

$P(X < 2) = P(X = 0) + P(X = 1) = 0.0498 + 0.1494 = 0.1992$

Then

$P(X \geq 2) = 1 - P(X < 2) = 1 - 0.1992 = 0.2008$

0.2008 = 20.08% probability that among 150 calls received by the switchboard, there are at least two wrong numbers.

6 0

2 years ago

PLEASE HELP, I WILL MARK THE FIRST CORRECT ANSWER BRAINLIEST))

77julia77 [94]

Answer:

15 meters

Step-by-step explanation:

The volume of a cylinder is:

$V=\pi r^2h$

pi is a constant, so there are only 3 variables in this equation. 2 of those are given, so all you need to do is plug in the given values and solve for h:

$V=\pi r^2h\\9231.6=3.14\times14^2\times h\\9231.6=3.14\times196\times h\\9231.6=615.44\times h\\15=h\\h=15$

The height of this cylinder is 15 meters.

6 0

2 years ago