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fredd [130]
3 years ago
11

Solve F(x) for the given domain. F(x) = x ^2 + 3x - 2 F(3) = 13 16 40

Mathematics
1 answer:
olchik [2.2K]3 years ago
6 0
F(3) = 16, you simply plug in 3 for x to find the answer.
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How do you simplify (5+5n3)-(1-3n3)
Yakvenalex [24]

Answer:

8n³ + 4

Step-by-step explanation:

4 0
3 years ago
$1725 with 15% markup what’s the new price
fredd [130]

Answer:

$1983.75

Step-by-step explanation:

1725 x 0.15 = 258.75

now add to the original price

1725 + 258.75= 1983.75

5 0
3 years ago
A yard is 3 times as long as it is wide. 176 feet of fencing is needed to enclose the yard. Find the dimensions of the yard
svet-max [94.6K]
The perimeter of a rectangle is twice the sum of its side lengths.

P=2(L+W), we are told that L=3W and P=176 so

2(3W+W)=176

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5 0
3 years ago
Read 2 more answers
Explain why the sum or product of rational numbers is rational; why the sum of a rational number and an irrational number is irr
Colt1911 [192]

Answer:

Rational numbers are fractional numbers, whose numerator and denominator are integers and the denominator is ever zero.

Step-by-step explanation:

The sum of rational numbers gives a rational number;

   \frac{1}{3}  + \frac{1}{3} = \frac{2}{3} , because the evaluation of the denominator always results to a non-zero integer.

The product of  \frac{1}{3} x \frac{1}{3} = \frac{1}{9}, which multiply both numerator and denominator to give integer numbers.

The sum and product of rational and irrational numbers are always irrational numbers, for instance,

           \frac{1}{3} x 7 = 2.3 , which is a number which decimal points that can only be represented by the product irrational number and rational number , where 7 is an irrational number.

       \frac{1}{3} + 7 =  7\frac{1}{3} , which is a whole number and fractional number combined.

4 0
3 years ago
Eight inches of snow fell in five hours. Write the number of inches per hour.
DedPeter [7]

The answer is 1.6

How I figured it out:

I divided 8 by 5, which gave me 1.6

To make sure this was right, I multiplied 1.6 by 5, which gave me an answer of 8 or other known as 8 inches.

In conclusion, the number of inces per hour is 1.6

6 0
3 years ago
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