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3 years ago

Question 14 and part 2 of 15 please.

Mathematics

1 answer:

anastassius [24]3 years ago

7 0

Honestly I don't know

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For f(x) = 5x - 7, find f(-3).

dimaraw [331]

Answer:

-22

Step-by-step explanation:

f(x) = 5x -7

substitute x = -3 into the equation as follows:

f(-3) = 5( -3) -7

= -15-7

= -22

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3 years ago

What is equivalent to 6x2+13x+5

Ne4ueva [31]

$1 \times 3 + (4x + 9x) + (6 - 1)$

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4 years ago

Y=2x-2.5 plz help its due today

Keith_Richards [23]

Y=2.5 if your solving for y

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3 years ago

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The price of a calculator has decreased from

NeTakaya

Decrease = New number - Original Number

% Decrease = $\frac{Decrease}{Original~number}$ × 100

Decrease = 9 - 12 = -3

% Decrease = $\frac{-3}{12}$ = -0.25 × 100 = -25

Your answer = -25

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3 years ago

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The girls heights in inches are as follows:62,70,60,63,66,what is their average height?

Gemiola [76]

Answer:

Average height = 64.2 inches

Step-by-step explanation:

$Average = \frac{sum \ of \ the \ values }{number \ of\ value}$

$=\frac{62 + 70 + 60 + 63 + 66}{5}\\\\=\frac{321}{5}\\\\=64.2 \ inches$

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3 years ago

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