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ZanzabumX [31]
4 years ago
12

Five more than twice a number is 17

Mathematics
1 answer:
Ierofanga [76]4 years ago
5 0
5+2x=17 is the inequality.
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Why is a graphical solution not always appropriate for a system of equations?
BigorU [14]

Answer:

because it may not be suitable for all the time

4 0
3 years ago
As an estimation we are told 5 miles is 8 km. Convert 22.5 miles to km.
Oksi-84 [34.3K]

Answer:

36 kilometers

Step-by-step explanation:

5 miles = 8 kilometers

22.5 miles = x kilometers

Cross multiply.

22.5 × 8 = 5 × x

180 = 5x

Divide both sides by 5.

180/5 = x

x = 36

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3 years ago
What is the value of f(-2) if f(x) = - 3x2 + 4x - 1
pashok25 [27]

Given the function below:

\large{f(x) =  - 3 {x}^{2}  + 4x - 1}

To find f(-2), we substitute x = -2 in the equation. Since f(-2) means the value of f(x) at x = -2.

\large{f( - 2) =  - 3 {( - 2)}^{2}  + 4( - 2) - 1}

Replace x-term to -2 and evaluate.

\large{f( - 2) =  - 3(4) - 8 - 1} \\  \large{f( - 2) =  - 12 -  8 - 1 \longrightarrow f( - 2) =  - 21}

Answer

  • f(-2) = -21

Let me know if you have any doubts!

4 0
3 years ago
If B is the midpoint of AC, and AC = 8x-20, find BC
dybincka [34]

Answer:

AC=-160

BC is the midpoint of AC meaning half of AC

-160/2=-80

4 0
4 years ago
QUICK PLSSS im bout to be grounded
julsineya [31]

Answer:

35

Step-by-step explanation:

3 0
3 years ago
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