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ser-zykov [4K]
3 years ago
5

I NEED HELP FAST!!! 3x^3(4x^4+5x^2-2x-9+2x^2) (Not multiple choice btw)

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
6 0

Answer:

12x^7+21x^5-33x^3

Step-by-step explanation:

12x^7+15x^5-6x^3-27x^3+6x^5

12x^7+21x^5-33x^3

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On a quiz show, Linda won $10 less than three times as much as Charlie. If Linda won $800, how much did Charlie win?
PilotLPTM [1.2K]

Using a system of equations, it is found that Charlie won $270.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable x: Amount earned by Linda.
  • Variable y: Amount earned by Charlie.

Linda won $10 less than three times as much as Charlie, hence:

x = 3y - 10

Linda won $800, hence the amount won by Charlie is found as follows:

800 = 3y - 10

3y = 810

y = 810/3

y = 270

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

7 0
1 year ago
Each space in the following grid can be filled in with integers. The product of each row and column is displayed in blue. Solve
fiasKO [112]

Answer:

5  1  3

2 16 0

2  1  9

8 0
3 years ago
Andrea has a savings account with $80 that earns 2% interest per
lianna [129]

Answer:

After 10 years, she will has $96 in her bank.

Step-by-step explanation:

It is given that Andrea's saving account is $80 and earns 2% interest per year as a <em>S</em><em>i</em><em>m</em><em>p</em><em>l</em><em>e</em><em> </em><em>I</em><em>n</em><em>t</em><em>e</em><em>r</em><em>e</em><em>s</em><em>t</em><em> </em>(Not Compounded). Using simple interest formula, Interest = (P×R×T)/100 where <em>P</em> is the <em>principal</em>, <em>R</em> is the <em>interest rate</em> and <em>T</em> is <em>number of years</em><em> </em>:

I =  \frac{p \times r \times t}{100}

P = $80

R = 2%

T = 10 years

I =  \frac{80 \times 2 \times 10}{100}

I =  \frac{1600}{100}

I = 16

It is given that the interest amount is $16. So the total amount she has after 10 years in the bank is $96 :

interest amount = $16

principal = $80

total = $16 + $80

= $96

8 0
2 years ago
5 1/5-1 3/4 answer soon
Ber [7]

Answer:3 9/20

Step-by-step explanation:

6 0
3 years ago
−104=4x−4(2x+16)<br> I need a whole number i keep messing up
kotykmax [81]

Answer:

x=10

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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