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likoan [24]
2 years ago
8

(DO NOT ANSWER IN A LINK) (PLS ONLY ANSWER CORRECT) A function is defined by f (x) = 6 x + 1.5. What is f(2.5)?

Mathematics
1 answer:
Amanda [17]2 years ago
4 0

Answer:

f(5) = 16.5

Step-by-step explanation:

Substitute x = 2.5 into f(x) , that is

f(2.5) = 6(2.5) + 1.5 = 15 + 1.5 = 16.5

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Answer:

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Step-by-step explanation:

6 0
3 years ago
3+-1/1/3 the first half is 3+-1 the second half is 1/3
kolbaska11 [484]
\bf \cfrac{3\pm1}{\frac{1}{3}}\implies 
\begin{cases}
\cfrac{3+1}{\frac{1}{3}}\\\\
\cfrac{3-1}{\frac{1}{3}}
\end{cases}\\\\
-------------------------------\\\\

\bf \cfrac{3+1}{\frac{1}{3}}\implies \cfrac{4}{\frac{1}{3}}\implies \cfrac{\frac{4}{1}}{\frac{1}{3}}\implies \cfrac{4}{1}\cdot \cfrac{3}{1}\implies \cfrac{4\cdot 3}{1\cdot 1}\implies \cfrac{12}{1}\implies \boxed{12}
\\\\\\
\cfrac{3-1}{\frac{1}{3}}\implies \cfrac{2}{\frac{1}{3}}\implies \cfrac{\frac{2}{1}}{\frac{1}{3}}\implies \cfrac{2}{1}\cdot \cfrac{3}{1}\implies \cfrac{2\cdot 3}{1\cdot 1}\implies \cfrac{6}{1}\implies \boxed{6}
6 0
3 years ago
20 is 25% of what number
borishaifa [10]
Hey there! :D

If 20 is 25% of a number, 

we know that it is a quarter of a number. 

20*4= 80

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I hope this helps!
~kaikers
5 0
3 years ago
Read 2 more answers
Help please with 9 and 10 please !
Lana71 [14]

Answer:

9. The scale factor is 1.5.

10. scale factor = 0.75

    the missing side is 9m

Step-by-step explanation:

9. 3/2 = 1.5

   9/6 = 1.5

   6/4 = 1.5

10. 12/16 = 0.75

    12*0.75 = 9

3 0
3 years ago
Read 2 more answers
Peyton completed her quiz and received a score of 80%. The quiz was out of a total of 40 questions, how many questions did she g
nadezda [96]

Answer:

she got 32 questions correct.

Step-by-step explanation:

This is what you get when you do the division and do 80% of 40

7 0
3 years ago
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