MATHEMATICS MIDDLE SCHOOL

I need help factoring this: 3x^4-6x^3+12x^2

Answers

Answer 1
Answer:

factor out an 3x^2

3x^2(x^2 -2x+4)

The inside is not factorable


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HIGH SCHOOL

A regular workweek is 40 hours. Overtime pay is time and one-half): Manual is a word-processor operator. He makes $13.50 an hour. Determine his gross earnings for a week if he worked 54 hours.

Answers

Overtime is over 40 so subtract 40 from 54 and get
54-40=14
14 hours hovertime
so multipliy usuall pay by 40 (since worked 40 normal hours) then add to overtime pay by 14 hours so


(13.5 times 40)+(13.5 times 1.5 times 14)=
540+283.5=823.5
answer is $823.50

HIGH SCHOOL

What is the simplified form of the expression square root 1 over 121???

Answers

√(1/121) = √1 / √121 = 1 / 11 = 11⁻¹
MIDDLE SCHOOL

The table below shows how much money a grocery store receives for selling different amounts of asparagus. ASPARAGUS SALES
Number of Pounds
Total Sales
4 lb=
$10
6 lb=
$15
8 lb=
$20
10 lb=
?
12 lb =
?
If the unit rate is constant, what are the total sales for 12 pounds of asparagus?
A $22.50
B $25.00
C $30.00
D $32.50

Answers

The answer is C) $30.00. First, find out how much 1lb costs. 1lb would cost 1/4 of 4lb. $10×1/4=$2.50/1lb. So 12 pounds would be 12x the cost of 1lb. $2.50×12 pounds=$30/12lb.
HIGH SCHOOL

What is the exact distance from (−5, 1) to (3, 0)?

Answers

The ordered coordinate form is written in (x, y).
And we want to go from coordinate (-5, 1) to coordinate (3, 0).
Subtract: -5 - 3 = -8 and 1 - 0 = 1

So, the distance is -8 and 1.
MIDDLE SCHOOL

2 - 8 x 2 + 20 (devided by) 4
_____________________________
123 (devided by) 40

Answers

The answer would give you -9. You would ALWAYS do multiplication and division first So first 8 x 2. Then...you got it! Hope I helped.
MIDDLE SCHOOL

What does it mean to amortize a loan?

Answers

Answer:

To amortize a loan refers to equal and periodic payments (monthly in most of the cases), on which the lender runs some interest ratio due to the amortization.

In other words, it means that the total amount of money the lender is going to "give" you is divide in smaller amount of moneys, which he is gonna lend you periodically, monthly. For example, if you need a $60,000 loan, and your lender propose to lend that money with a 4% of annual interest, that means he is gonna give your $1771.4 per month, he won't give you the whole money, instead he amortize the loan and give your a certain quantity based on the interest rate.

Answer:

usually means establishing a series of equal monthly payments that will provide

a principal payment that will cause the unpai principal balance to decrease each month so that the principal balance will be zero at the time of the final payment

HIGH SCHOOL

The product of 86 and the depthe of the river

Answers

What river? Are you making equations because if you are then that would be 86*r
MIDDLE SCHOOL

What is the effect on the graph of the parent function f(x)=x when f(x) is replaced with f(x-7)

Answers

Answer:

I think it shifts horizontally by 7 units to the right. Not completely sure though.

Step-by-step explanation:

HIGH SCHOOL

My teacher gave me a sheet of this and no instructions: 1. 5x+2y=10
-5x+7y=8

I don't know what I am suppose to do.

Answers

Probably wants you to find what numbers will work for x and y in both equations

add the two equations together
5x-5x+2y+7y=10+8
9y=18
divide both sdies by 9
y=2
subsitute into first equation
5x+2(2)=10
5x+4=10
subtract 4 from both sides
5x=6
divide both sdies by 5
x=6/5


so the asnwer is x=6/5 and y=2
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