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DedPeter [7]
3 years ago
9

PLEASE HELP need quick answer

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
8 0

Answer:

Step-by-step explanation:

discount = 104.99 -  89.24 = 15.75

15.75/104.99 ≅ 0.15 = 15%

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If f(x)=2x^2+3x+1 and g(x)=x+5, what would f(g(x))
Fantom [35]

Answer: The answer is 2x^2+23x+66.

Step-by-step explanation: The given functions are

f(x)=2x^2+3x+1,\\\\g(x)=x+5.

We are to find f(g(x)). To do this, first we need to evaluate g(x) and then we will apply the function f on the resulting function.

The evaluation is as follows:

f(g(x))=f(x+5)=2(x+5)^2+3(x+5)+1=2(x^2+10x+25)+3x+15+1\\\\\Rightarrow f(g(x))=2x^2+23x+66.

Thus, the correct answer is 2x^2+23x+66.

5 0
2 years ago
Read 2 more answers
10. Factor<br> Please help me I will mark as brainliest
suter [353]

Answer:

<u>(3w + 7)² or (3w + 7)(3w + 7)</u>

Step-by-step explanation:

<u>Identity</u>

  • a² + 2ab + b² = (a + b)² = (a + b)(a + b)

<u>Solving</u>

  • 9w² + 42w + 49
  • (3w)² + 2(3w)(7)  + (7)²
  • <u>(3w + 7)² or (3w + 7)(3w + 7)</u>
6 0
2 years ago
1. f(x) = 2x + 6 Evaluate f(2)
fredd [130]
1) f(x)=2x+6
f(2)=2(2)+6
=4+6
=10

2)f(x)=3x
f(a+1)=3(a+1)
=3a+3
3)f(x)=3x-1 and g(x)=5x+3

f(2)=3(2)-1
f(2)=6-1
=5
g(3)=5x+3
=5(3)+32
=15+3
=18


f(2)+f(3)=5+18
=23.
7 0
3 years ago
Read 2 more answers
Five times the sum of a number and 7 is 8
denis-greek [22]
Answer:

(x + 7) 5 = 8

Step-by-step explanation:

A number = x

Sum = addition

(x + 7)

Five times would be

(x + 7) 5

And if equivalent to 8 then…

(x + 7) 5 = 8
7 0
3 years ago
Find the circumference and area <br> r = 5 m
stira [4]

Step-by-step explanation:

Let's get our relevant base equations listed out:

d = 2r

area = pi*r²

c = πd

Thus, d=2*5m  = 10m, c=π*10m=10π m, and area = 25m²*π

Feel free to ask further questions!

4 0
3 years ago
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