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mart [117]
3 years ago
6

Which expression is the factored form of -4.5n + 3?

Mathematics
1 answer:
MrMuchimi3 years ago
6 0
Its B! Plz give me brainlist :)
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A runner has run 1.192 kilometers of a 10-kilometer race. How much farther does he need to run to finish the race?
Yakvenalex [24]

Answer:

8.808 kilometers

Step-by-step explanation:

10-1.192=8.808

6 0
3 years ago
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Need help with the problem in the photo.
mr_godi [17]

Answer:

  B.  3x -2y = 10

Step-by-step explanation:

The given line rises three units for each two units of run to the right. Hence its slope is 3/2. A parallel line will also have a slope of 3/2.

Of the equations we can see, selection B has a slope of 3/2. It can be rewritten in slope-intercept form as ...

  3x -10 = 2y . . . . . add 2y-10 to isolate the y-term; next divide by 2.

  y = 3/2x -5 . . . . . the coefficient of x is the slope

4 0
4 years ago
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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
What symbol should be placed in the blank to make the equation true? 17 ___ 5 × 3 = 32 A) + B) − C) ÷ D) ×
Elza [17]

Answer:

+

Step-by-step explanation:

17-5=12×3 and that would be 36 so thats wrong

17÷5×3 would give you a decimal

17x5x3 would be to big of a number

so the only answer would be A if you caculate it.

7 0
4 years ago
9 and 5/12 - 3 and 2/3
lana [24]
Recall to always convert the mixed fractions to "improper" fractions first,

\bf \stackrel{mixed}{9\frac{5}{12}}\implies \cfrac{9\cdot 12+5}{12}\implies \stackrel{improper}{\cfrac{113}{12}}
\\\\\\
\stackrel{mixed}{3\frac{2}{3}}\implies \cfrac{3\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{11}{3}}\\\\
-------------------------------\\\\
\cfrac{113}{12}-\cfrac{11}{3}\impliedby \textit{clearly our LCD is 12}\implies \cfrac{113-(4)11}{12}
\\\\\\
\cfrac{113-44}{12}\implies \cfrac{69}{12}\implies 5\frac{9}{12}
5 0
3 years ago
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