2 years ago

How do you get your grades up

Mathematics

1 answer:

IrinaVladis [17]2 years ago

4 0

Answer:

If you are doing online, try to do all the assignments missing. Ask for extra work, retake tests, and turn in missing assignments

Step-by-step explanation:

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The polynomial P(z) = <img src="https://tex.z-dn.net/?f=z%5E%7B3%7D%20%2Bmz%5E%7B2%7D%20%2Bnz%20-%208" id="TexFormula1" title="z

Ugo [173]

Answer:

m=-2 n=-6

Step-by-step explanation:

(z+1+i)(z+1-i)=z²+2z+1-(i²)=z²+2z+2

z³+mz²+nz-8=(z²+2z+2)(z-4)=z³-2z²-6z-8

m=-2

n=-6

If it's wrong, please delete it

3 0

2 years ago

Target sells a pack of iTunes gift cards for $40. Sam's Club sells them for $38.88. What is the percent decrease from Target's p

patriot [66]

We have been given that target sells a pack of iTunes gift cards for $40. Sam's Club sells them for $38.88. We are asked to find the percent decrease from Target's price to Sam's Club's price.

We will use percent decrease formula to solve our given problem.

$\text{Decrease percent}=\frac{|\text{Final}-\text{Initial}|}{\text{Initial}}\times 100\%$

$\text{Decrease percent}=\frac{|38.88-40|}{40}\times 100\%$

$\text{Decrease percent}=\frac{|-1.12|}{4}\times 10\%$

$\text{Decrease percent}=\frac{1.12}{4}\times 10\%$

$\text{Decrease percent}=0.28\times 10$

$\text{Decrease percent}=2.8\%$

Therefore, the percent decrease from Target's price to Sam's Club's price is 2.8%.

3 0

2 years ago

What is solution to this equation 4x=124

kkurt [141]

4x= 124

divide both sides by 4 to get x by itself

4x/4= 124/4

Cross out 4 and 4, divide by 4 and then becomes 1*1*x= x

124/4

12/4= 3

4/4= 1

Answer: x= 31

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2 years ago

30 POINT QUESTION!

kap26 [50]

3-4 bathbombs and none

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3 years ago

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Please help me with 11-16 please! Thank you

sasho [114]

11. -1

12. -9

13. 32

14. -15

15. 10

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2 years ago