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3 years ago

Use distributive property to simplify the expression: -4(-6p+7)

Mathematics

2 answers:

klemol [59]3 years ago

8 0

Answer:

24p+ -28

Step-by-step explanation:

qwelly [4]3 years ago

5 0

Answer:

SO BASICALLY

Step-by-step explanation:

-4(-6p+7)

24p-28

IG THATS ITTTT :o

you just multiply negative 4 to

-7p and posititve7 sooo likeeee for example negative times negative is positivee

-positive times negative is positive

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Given a mean of 61.2 and a standard deviation of 21.4, what is the z-score of the value 45 rounded to the nearest tenth?0.8−0.90

kherson [118]

Given: Mean μ = 61.2 and standard deviation σ =21.4

The Z score of the value x=45 is given by

Z = $\frac{x - mean}{standard deviation}$

Z = $\frac{45 - 61.2 }{21.4}$

Z = $\frac{-16.2}{21.4}$

Z = -0.757

The z-score value for 45 rounded to nearest tenth is -0.8

6 0

3 years ago

Geraldine has 200 feet of fencing. She wants to fence in a rectangular area. Which function A(w) represents the area of land tha

Brut [27]

Answer:

A(w) = - $w^{2}$ + 100w

Step-by-step explanation:

First, we need to find down the length (l) of the rectangular area in term of w

We have 200 feet of fencing is the perimeter of the rectangular area, which mean:

2 (w + l) = 200

<=> l = 100-w

But the area of land: w*l

= w (100-w)

=- $w^{2}$ + 100w

So, A(w) = - $w^{2}$ + 100w

5 0

3 years ago

Nyla writes 1/4 of a page and 1/8 of a minute. how much time does it take her to write a full page ? answer

grin007 [14]

For this case we can make the following rule of three:
1/4 --------> 1/8
1 ----------> x
From here, we clear the value of x.
We have then:
x = (1 / (1/4)) * (1/8)
Rewriting:
x = 4 * (1/8)
x = 4/8
x = 1/2 minutes
Answer:
it takes her 1/2 minutes to write a full page

8 0

2 years ago

HELP ASAP

zavuch27 [327]

2rd one I could be wrong tho

6 0

2 years ago

Read 2 more answers

I need to find the area of the crater

expeople1 [14]

First you need to find the r, if C=2pieR, than 2.4=2pieR now you divide 2.4 by 2 so you got 1.2=pieR now you divide 1.2 by pie and obtained aproximately 0.38 miles, that is your R, now you do pie multiply by 0.38 exposant 2 and there you go, your answer is aproximately 0.45 miles2 :)

6 0

3 years ago