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Dafna1 [17]
3 years ago
10

Given f(x) =3x+7 find f(5)

Mathematics
1 answer:
ra1l [238]3 years ago
8 0

Answer:

22

Step-by-step explanation:

f (5)=3 (5)+7

f (5)=15+7

f (5)=22

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I need help answering these questions for geometry :)
iren2701 [21]

The answers to the question have been written below

<h3>The changes to a polygon</h3>

1. If the number of sides of the polygon should increase then the measure of the interior angle would increase by 180.

2. A regular polygon has the sum of its external angles as 360. This is solved as 360/n = 0

Hence the value of the exterior would move towards 0 as its sides increases.

4. As the total sum of the of the polygon changes, it would tend towards infinity.

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brainly.com/question/1592456

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2 years ago
12 X +12+ X. WHAT IS X?
Dafna1 [17]
X is unknown. There’s no answer to the problem stating what X could possibly be.
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Rebecca was advised to invest her £12000 life savings in a special High
Evgesh-ka [11]

#a

#1st year

\\ \rm\Rrightarrow 12000+0.045(12000)=12540

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\\ \rm\Rrightarrow 12540+0.05(12540)=13167

#3rd year

\\ \rm\Rrightarrow 13167+0.053(13167)=13864.85

#4th year

\\ \rm\Rrightarrow 13864.85+13864.85(0.049)=14544.2

#b

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\\ \rm\Rrightarrow \dfrac{2544.2}{12000}\times 100

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3 0
2 years ago
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Semmy [17]

Good evening ,

Answer:

The inverse of the function y = x² - 12 is

x = √(y + 12)

Step-by-step explanation:

for y ≥ -12 :

x² - 12 = y ⇔ x² = y + 12 ⇔ x = √(y + 12).

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3 years ago
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If you plug in the x values of both (2, 8) and (4, 12) into each equation, you'll find that y = 2x + 4 gives you the correct y values for both (2, 8) and (4, 12). So that is your answer. 
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3 years ago
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