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sergij07 [2.7K]
2 years ago
13

What is the sum of the roots of the polynomial shown below? f(x) = 3r?+ 12x² + 3x - 18

Mathematics
1 answer:
densk [106]2 years ago
6 0

Answer:

24x+3

Step-by-step explanation:

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What is [b-5] over 8=5
julia-pushkina [17]

Answer:

B=45

Step-by-step explanation:

Multiply 8 by 5

Add 40 and 5 together

6 0
2 years ago
-2.7f + 0.3f - 16 - 4=
suter [353]

Answer:

-2.4f or -8 1/3

Step-by-step explanation:

I am not sure what should be at the end of the equal sign but if it is to simplify it would be -2.4f-20

If you want to solve then you get -2.4f=20 so f=-20/2.4 which equal to -8 1/3

3 0
2 years ago
How do I solve this problem using the substitution method <br> x-3y=4<br> 4x-2y=26
Nastasia [14]
Top 1. Substitute 3y on both sides of the equation.
Bottom 2. Substitute 2y on both sides of the equation

3y and 2y cancel

Divide x by 4 and 26 by 4.

Is there die points on a graph or decimal?

I have not done this for years but there is many calculators that can show you step by step online. I recommend using these
5 0
2 years ago
Read 2 more answers
A can of tennis balls costs $6. The total cost c of n cans, including sales tax t, is given by the equation c = 6n + t. Which is
lora16 [44]

Answer:

The reason why c = 6n + t is the same as c - t = 6n is because c is the sum of the addition problem. 6n and t are the addends. The inverse operation for addition is subtraction. c is the cost that will be reduced by t. The answer is still 6n.

3 0
3 years ago
The repayment schedule is for a $1,300 loan at 7.5% for 6 months. What is the amount for interest at payment 5?
max2010maxim [7]

Answer: The answer is $2.77.


Step-by-step explanation:   Given that we have to pay the loan of $1300 at interest rate of 7.5% in 6 months. According to the table,

Amount for interest in payment 1 = $8.13,

Amount of interest in payment 2 = $6.79

and

Amount of interest in payment 3 = $5.45.

We can see here that the difference in the amounts to be paid in consecutive months will be same, i.e., the payments will form an arithmetic progression (A.P.).

The common difference = 8.13-6.79=6.79-5.45=1.34.

Therefore, amount of interest in payment 4 = $(5.45-1.34) = $4.11

and amount of interest in payment 5 = $(4.11-1.34) = $2.77.

Please see the attached modified table.

Thus, the answer is $2.77.

4 0
2 years ago
Read 2 more answers
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