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vodka [1.7K]
4 years ago
15

Hi, I need help working this problem out please.

Mathematics
2 answers:
Alona [7]4 years ago
6 0
1. <span>Divide both sides by </span><span>5

4x - 1 = </span>\frac{80}{5}

2. Simplify \frac{80}{5} to 16

4x - 1 = 16

<span>3. Add 1</span><span> to both sides

4x = 16+1

4. </span><span>Simplify 16 + 1 to 17

4x = 17

5. Divide both sides by 4

</span>x = \frac{17}{4}
<span>
Were done! Decimal Form Would Be 4.25</span>
Gnesinka [82]4 years ago
5 0
5(4x-1) = 80

20x - 5 = 80

20x - 5 + 5 = 80 + 5

20x = 85

20x/20 = 85/20

X = 85/20

X = 17/4 if reduced to lowest terms by dividing both the top and bottom number by 5.
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Use the remainder theorem to find P (3) for P(x) = 2x² - 4x^2- 3.
ladessa [460]

Answer:

P(2) = 4

Step-by-step explanation:

P(X) = -2X4 + 4X3 - X + 6

Use the remainder theorem to find quotient and remainder and the value of P(2)

 

First add in any missing exponents:  P(x) = -2x4 + 4x3 + 0x2 -x + 6

 

Write all the coefficients in a line (including the constant) with the number being solved for off to the left:

 

Bring down the first coefficient (-2), multiply it by the term in question (2), carry the product up under

the 2nd coefficient and then add down (4-4=0), carry up the sum and repeat process across.  The last

sum is the answer for P(2)

 

 

(2)   -2    4    0    -1    6

            -4    0      0  -2

      __________________

       -2   0    0     -1   4

 

P(2) = 4

 

check the answer:  P(2) = -2(24) + 4(23) -2 + 6 = -2(16) +4(8) + 4 = 4    Our answer is correct

 

The quotient is what we would bet by dividing the original equation by the polynomial (x-2). The

answer is given by the bottom numbers which will begin an one lower exponent than the original.

Quotient is:   -2x3 + 0x2 + 0x -1 = 2x3 - 1

The remainder is:   4/(x-2)

6 0
4 years ago
Is 4.309 less than 4.39?
zaharov [31]
If you round 4.309 you get 4.31 which is .08 less than 4.39.
8 0
3 years ago
Read 2 more answers
HELP!!!! SHOW WORK TOOO!
maw [93]

Answer: Try C

Step-by-step explanation:

4 0
3 years ago
(05.05)<br> What is the rate of change of the linear relationship modeled in the table? (4 points)
Valentin [98]

Answer:

-1

Step-by-step explanation:

all you gotta do is do rise over run which is just y over x so you get -1/+1 which equals -1

hope this helps!

have a good one!!

God bless you!

:)))))))))))))))))))))))

4 0
3 years ago
The lowest fractions for 40 over 25?
tigry1 [53]

Answer:

8/5

Step-by-step explanation:

4 0
3 years ago
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