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4 years ago

-4(4v-u-6) solve using distributive property

Mathematics

1 answer:

GarryVolchara [31]4 years ago

4 0

Answer:

Step-by-step explanation:

-4 ( 4v - u - 6 )

You will multiply -4 with everything in the parentheses.

-16v + 4u + 24

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Sandra saves 11% of her salary for retirement. This year her salary was $1,000 more than in the previous year, and she saved $4,

Katyanochek1 [597]

First find her salary this year by dividing the amount she saved by the percentage saved:

$4,620 / 0.11 = $42,000

Her salary now is $1000 more than the previous year, so now subtract $1000 from her present salary:

42,000 - 1,000 = $41,000

5 0

3 years ago

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Anton [14]

I don’t know if you can solve it since it is an expression?

7 0

3 years ago

Read 2 more answers

Solve for x. x/8+x/10=9/8 Simplify your answer as much as possible.

BabaBlast [244]

Answer:

I hope it's helps you

have a nice day

6 0

3 years ago

A service center receives an average of 0.6 customer complaints per hour. Management's goal is to receive fewer than three compl

True [87]

Answer:

0.18203 = 18.203% probability that exactly four complaints will be received during the next eight hours.

Step-by-step explanation:

We have the mean during a time-period, which means that the Poisson distribution is used to solve this question.

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.

A service center receives an average of 0.6 customer complaints per hour.

This means that $\mu = 0.6h$ , in which h is the number of hours.

Determine the probability that exactly four complaints will be received during the next eight hours.

8 hours means that $h = 8, \mu = 0.6(8) = 4.8$ .

The probability is P(X = 4).

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

$P(X = 4) = \frac{e^{-4.8}*4.8^{4}}{(4)!} = 0.18203$

0.18203 = 18.203% probability that exactly four complaints will be received during the next eight hours.

5 0

3 years ago

Suppose y varies directly as x, and y=14 when x=4. What is the value of y when x=9

Katena32 [7]

Given :-

y varies directly as x, and y=14 when x=4.

To Find :-

the value of y when x=9 .

Solution :-

According to Question ,

y = kx ( k is constant )

When y = 14 and x = 4 ,

14 = k(4)
k = 14/4
k = 7/2

When x = 9 ,

y = 7/2*9
y = 63/2
y = 31.5

8 0

3 years ago