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nasty-shy [4]
3 years ago
6

What is the simplest form of this expression N(-4n^3-8)+7n^4

Mathematics
1 answer:
Vikentia [17]3 years ago
5 0

the simplest form is n • (3n3 - 8)

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Researchers estimate that 15 out of every 25 customers at a store make purchases with a credit card. If the store has 600 custom
monitta

Answer:

360

Step-by-step explanation:

Number of customers who make purchases with a credit card

=15 out of every 25= \frac{15}{25}=\frac{3}{5}

The fraction 3/5 represents the part of the customer that makes purchases with credit cards.

Therefore if there are 600 customers tomorrow, 3/5 of them will use a credit card.

\frac{3}{5} X 600=360

360 credit card can be expected.

5 0
3 years ago
Hey! Please find the value of x, so I can find the value of angle H! Thanks
o-na [289]
Hey there! :D

The congruence marks on the trapezoid make the angles congruent. This makes opposite angles supplementary. (Because all the angles in a trapezoid add up to 360 degrees)

12x-31+6x-5= 180

18x-36= 180

Add 36 to both sides. 

18x= 216 

Divide both sides by 18. 

x= 12

You can just plug that in to find m<H. 

6x-5

6(12)-5

72-5

m<H= 67

I hope this helps!
~kaikers




3 0
3 years ago
Based on the diagram, what is the reduced area inside the blood vessel?
pychu [463]

Answer:

: Stroke Brain cells do not get the nutrients they need if blood flow to the brain …

Step-by-step explanation:

3 0
3 years ago
Y = 5x + 7<br> 2x + y = -5<br> Are the equations parallel,<br> perpendicular, or neither?
Nezavi [6.7K]

Lines are neither perpendicular nor parallel.

Step-by-step explanation:

Step 1:

In equation 1, Y = 5X + 7

In equation 2,  Y = -2X -5

Step 2:

Slope Intercept form Y =mX +c

Where m = Slope

Slope of line 1 = 5

Slope of line 2 = -2

m1  is not equal to m2. Hence it is not parallel.

m1  × m2 is not equal to -1. Hence they are not perpendicular.

3 0
3 years ago
How do you solve You earn 15n 15n dollars for mowing n lawns. How much do you earn for mowing one lawn? Seven lawns?
Rudik [331]

Answer:

$15 for a lawn, $105 for seven lawns.

Step-by-step explanation:

The question is about the direct ratio problem. Logically, you will earn more if you mow more lawn.

The scheme for this ratio is given below:

15 n_________n lawns

   x_________ 1 lawn

x=\frac{15n*1}{n} = 15

You will earn 15 dollars for mowing a lawn


When you mow 7 lawns, the scheme will be in this manner:

15 n__________n lawns

    x__________7 lawns

x=\frac{15n*7}{n}=105

You will earn 105 dollars

8 0
3 years ago
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