3 years ago

Could someone help im really bad at polynomials

Mathematics

1 answer:

Elenna [48]3 years ago

4 0

Answer:2x^2 + 7x - 30

Step-by-step explanation:

1. x(2x-3)(x+3)^2

2. x(2x-3)(x+10)

3. 2x^2+10x-3x-30

4. 2x^2+7x-30

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Hey can anybody help me with this question please

lakkis [162]

First find average
(5+5+5+5+7+9)/6=6
now see how much they each are differnt
5 to 6 is 1
5 to 6 is 1
5 to 6 is 1
5 to 6 is 1
7 to 6 is 1
9 to 6 is 3

average those
(1+1+1+1+1+3)/6=8/6=4/3=1.333

answer is 1.33

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2 years ago

Solve for x and y:<br> x+y=5 x−y=a <br> PLEASE I NEED MY ANSWER TILL TOMORROW MORNING!

KengaRu [80]

Answer:

x= $\frac{a+5}{2}$ y=5- $\frac{a+5}{2}$

Step-by-step explanation:

x+y=5

y=5-x

x-y=a

x-(5-x)=a

2x-5=a

2x=a+5

x= $\frac{a+5}{2}$

x+y=5

$\frac{a+5}{2}$ +y=5

y=5- $\frac{a+5}{2}$

7 0

3 years ago

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The product of two numbers is 50 and their difference is 5. What are the two numbers?

lyudmila [28]

27.5 and 22.5 are the two numbers

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2 years ago

In 38 years, samantha will be 80 years old. in how many years will she be 56 years old?

Advocard [28]

She will be 56 after 14 years from now

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3 years ago

Which ordered pairs cause this relation not to be a function? why? {(0, 0.5), (0.5, 1), (3, 1), (1, 6), (3, 2)}?

frosja888 [35]

Answer:

(3, 1), (3, 2)

Step-by-step explanation:

Pairs that have the same x-value are not allowed in a relation that is a function.

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3 years ago