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umka2103 [35]
3 years ago
14

What is the value of the expression 6 3/4 (−11.5)

Mathematics
1 answer:
notka56 [123]3 years ago
5 0

Answer:

-75.9

Step-by-step explanation:

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If f(x) = 7 + 4x and g (x) = StartFraction 1 Over 2 x EndFraction, what is the value of (StartFraction f Over g EndFraction) (5)
Degger [83]

Answer:

\frac{f}{g}(5) = 270 ⇒ Last answer

Step-by-step explanation:

* If f(x) = 7 + 4x

* If g(x) = \frac{1}{2x}

* We want to find \frac{f}{g}(5)

- Lets find at first \frac{f}{g}(x)

∵ f(x) = 7 + 4x

∵ g(x) = \frac{1}{2x}

∴ \frac{f}{g}(x)=\frac{7+4x}{\frac{1}{2x}}

- Lets divide the numerator by the denominator

∵ The numerator is 7 + 4x

∵ The denominator is \frac{1}{2x}

∴ (7 + 4x) ÷ \frac{1}{2x}

- Lets reverse the division sign to multiplication sign and reciprocal

  the fraction after the division sign

∴ (7 + 4x) × \frac{2x}{1}

∴ \frac{f}{g}(x) = 2x(7 + 4x)

∴ \frac{f}{g}(x) = 14x + 8x²

- Now substitute x by 5

∴  \frac{f}{g}(5) = 14(5) + 8(5)² = 70 + 200 = 270

∴  \frac{f}{g}(5) = 270

4 0
3 years ago
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Find the percent of the number. 45% of 45 is
almond37 [142]

Answer:

20.25

Step-by-step explanation:

3 0
2 years ago
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Please solve all 3<br><br> I need this quick
AnnyKZ [126]

Answer: i have absolutely no idea

Step-by-step explanation:

5 0
2 years ago
Simplify 14/70<br>please show work
Mumz [18]

Cancel the common factors in the numerator and denominator.

Exact Form:

15

Decimal Form:

0.2


hope l helped have a good day

3 0
3 years ago
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There are some red and blue balls in a bag of 21 balls and the probability of picking 2 red balls out in a row is 1/14 how many
Over [174]

Answer:

6 red balls

Step-by-step explanation:

The probability in the first pick

6/21

The probability in the second pick (without replacement)

5/20

the requested probability

(6/21)(5/20) = 30/420

simplification

30/420 = 3/42 = 1/14

Hope this helps

8 0
2 years ago
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