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Sergio [31]
3 years ago
13

According to the synthetic division below, which of the following statements are true

Mathematics
1 answer:
Art [367]3 years ago
8 0

Answer:

B and D

Step-by-step explanation:

The polynomial x² + 6x - 8 ( from values in first row )

is being evaluated at x = - 5 thus the factor is (x + 5)

If (x + 5) is a factor the remainder = 0

Hence (x + 5) is not a factor since remainder = 12 ≠ 0

When the polynomial is evaluated at x = 5  it's value is 12

The remainder theorem states that f(h) = remainder, hence

f(- 5) = 12 ← remainder

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Evaluate 3(a + b + c)2 for a = 2, b = 3, and c = 4
Verdich [7]

Answer: 243

Step-by-step explanation:

We have the expression

3(a + b + c)^2

Note that the expression depends on 3 variables

a, b and c

in this case we want to evaluate the expression for

a = 2\\b = 3\\c = 4

Then change the variable a by the number 2, the variable b by the number 3 and the variable c by the number 4

So we have

3(2 + 3 + 4)^2

Now simplify the expression

3(9)^2

3*81=243

The answer is 243

7 0
3 years ago
Read 2 more answers
A rectangular box contain 782 apples. If there are 23 rows in a box, how many columns are there?
stepan [7]

Answer:

34343434343434343434

6 0
3 years ago
The area of the trapezoid is 39 ft2.
zhenek [66]
<span>the height of the trapezoid is 3 feet :) 

</span>
4 0
3 years ago
A)What is the greatest common factor (GCF) for 18 and 66?<br>Show your work.​
zaharov [31]

Answer:

Step-by-step explanation:

18: 1, 2, 3, 6, 9, 18

66:, 1,2,3,6,11,22,33,66

the GCF is 6

7 0
3 years ago
Sonja has $1,800 to invest, And she has a choice between two savings accounts. Saving account a offers an interest rate of 3.6%
son4ous [18]

Answer:

$46.83

Step-by-step explanation:

The standard formula for compound interest is given as;

A = P(1+r/n)^(nt) .....1

Where;

A = final amount/value

P = initial amount/value (principal)

r = rate yearly

n = number of times compounded yearly.

t = time of investment in years

For saving account A;

P = $1,800

t = 2 years

n = 12 (monthly

r = 3.6% = 0.036

Substituting the values;

A = 1800(1+0.036/12)^(12×2)

A1 = $1934.17

for saving account B;

P = $1,800

t = 2 years

n = 12 (monthly

r = 4.8% = 0.048

Substituting the values;

A = 1800(1+0.048/12)^(12×2)

A2 = $1981.00

The difference will then be

d = A2 - A1

d = $1981.00 - $1934.17

d = $46.83

Therefore, she would have $46.83 more

4 0
3 years ago
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