Help me please it’s a test. question 15.

Mathematics

1 answer:

mr_godi [17]3 years ago

8 0

I think 128????? my best guess

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F(x)=2x+6

Klio2033 [76]

Answer:

Step-by-step explanation:

F(x) = 2x + 6

G(x) = - 5x - 9

product of F and G .....the product is the result of multiplication

(2x + 6)(-5x - 9) =

-10x^2 - 18x - 30x - 54 =

-10x^2 - 48x - 54 <====

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3 years ago

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Slope-intercept of 5x-7y=-45

bagirrra123 [75]

Slope-intercept form is y=ax+b where a is the slope and b is the y-intercept.
Start by getting y alone on one side.
5x-7y=-45
5x+45=7y
Then divide both sides by 7 to get y alone.
y= 5/7x + 45/7

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3 years ago

Find the acute angle θ cosθ = 0.5 (to the nearest degree)

skelet666 [1.2K]

Cos60° = 0.5

Any angle less than 90° is an acute angle.

Therefore, 60° is the acute angle.

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4 years ago

A large adult kangaroo can have a mass of 90,000 grams. How many kilograms is it. (1g =1,000g)

liubo4ka [24]

$1kg=1,000g!!!\\\\therefore\ 1g=\frac{1}{1,000}kg=0.001kg\\--------------------\\90,000g=90,000\cdot0.001kg=\boxed{90kg}\\\\Answer:\boxed{\boxed{90,000g=90kg}}$