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Tom [10]
3 years ago
9

F(x) = 3x + 2 What is f(5)?

Mathematics
2 answers:
nika2105 [10]3 years ago
8 0

Answer:

17

Step-by-step explanation:

f(x) = 3x + 2

f(5) = 3(5) + 2

f(5) = 15 + 2

f(5) = 17

PIT_PIT [208]3 years ago
5 0

Answer:

17

Step-by-step explanation:

f(x) = 3x + 2

Plug in:

3(5) + 2

15 + 2 = 17

Hope this helped.

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.If x2 + kx+ 6 = (x + 2) (x + 3) for all x, then the value of k is<br><br>​
Verdich [7]

Answer:

k = 5

Step-by-step explanation:

(x + 2)(x + 3) =  {x}^{2}  + 5x + 6

Now comparing left hand side & right hand side ,

{x}^{2}  + kx + 6 =  {x}^{2}  + 5x + 6

Cancelling x^2 & 6 from both left hand side & right hand side ,

kx = 5x

=> k = 5

3 0
3 years ago
Which best explains whether a triangle with side lengths 5 cm, 13 cm, and 12 cm is a right triangle? The triangle is a right tri
stira [4]

Answer:

The Triangle Is A Right Triangle Because 5^2 + 12^2 = 13^2.

Step-by-step explanation:

5^2 = 25. 12^2 = 144. With the Pythagorean theorem, (a^2 + b^2 = c^2), 5 is a, 12 is b, and 13 is c.

25 + 144 = 169.

13 ^ 2 = 169.

Since a^2 + b^2 = c^2 is true, the triangle is a right triangle.

3 0
3 years ago
Read 2 more answers
2x-5 = 7<br> …………………………..
IRINA_888 [86]
X=6
have a good day! :)

———-
2x. +5 = 7+5
2x=12
X=6
8 0
3 years ago
Any answers pls?? 20 points.
KonstantinChe [14]

Answer:

\sqrt32

Step-by-step explanation:

You use the Pythagorean theorem since a triangle is formed.

a^{2} +b^{2} =c^{2}

6^{2} = 2^{2} +x^{2}

36-4 =x^{2}

x= \sqrt{32}

4 0
3 years ago
The graph below shows the cost C for bowling g games at Strike King. Another bowling center, Thunder Alley, charges $2.25 per ga
Lunna [17]

Answer:

They intersect when the Strike king is at (9,15.75) and Thunder Alley is at (7, 15.75). But only the X axes intersect. The X and Y axes intersect at (0,0) that's where they start and that is where they meet. Its a proportional relationship because their ratios are equivalent. It represents the constant of proportionality.

Step-by-step explanation:

6 0
3 years ago
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