1 year ago

Monica is multiplying 8.714 by 1,000. How many places should she move the decimal point?

Mathematics

1 answer:

Rom4ik [11]1 year ago

7 0

How should you write the proportion 9:36 = 10:40 using words?

A. 9 is to 36 as 40 is to 10

B. 9 is to 10 as 36 is to 40

C. 36 is to 9 as 10 is to 40

D. 9 is to 36 as 10 is to 40

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In a standard normal distribution, what z value corresponds to 17% of the data between the mean and the z value?

hjlf

You're looking for a value $z$ such that

$\mathbb P(0$

Because the distribution is symmetric, the value of $z$ in either case will be the same.

Now, because the distribution is continuous, you have that

$0.17=\mathbb P(0$

The mean for the standard normal distribution is $0$ , and because the distribution is symmetric about its mean, it follows that $\mathbb P(Z$ .

$0.17=\mathbb P(Z$

You can consult a $z$ score table to find the corresponding score for this probability. It turns out to be $z\approx0.4399$ .

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a paint store has 35 gallons of paint in storage, 2/5 of which are for outdoor use. if each gallon cost $22, what is the total c

Likurg_2 [28]

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Triangle FGH with vertices F(1,8), G(5,7), and H(2,3) in the line y=x.

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josh is 6 years older than 4 times Kim's age. The sum of their ages is less than 31. what is the oldest Kim could be? show all y

Mice21 [21]

Answer:

4 years old.

Step-by-step explanation:

Lets say that Josh's age is j and Kim's age is k. As Josh is 6 years older than 4 times Kim's age, we can write this as an equation:

j = 4k + 6

This is, John's age is equal to four times Kim's plus 6 years.

We then know that, when summed their ages is less than 31, so:

k + j < 31

Replace John's age by our first equation:

k + 4k + 6 < 31

5k + 6 < 31

Subtract 6 in both sides:

5k + 6 - 6 < 31 - 6

5k < 25

Dividing both sides by 5:

5k/5 < 25/5

k < 5

So, Kim's age MUST be less than 5.

If we talk about discrete values, this is 1, 2, 3, 4, 5, 6...., we will say than the oldest Kim could be is 4. If Kim is 5 years old, the sum of ages is 31 and we need it ti be LESS than 31. (we are not considering fractional numbers as 4.5 years old).

So, Kim can be, at maximum, 4 years old.

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1 year ago

use distributive property to simplify the expression 3 (8x + 2y) I need help with my algebra homework someone please help.

inysia [295]

$6 \times (4 \times x + y)$

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2 years ago