3 years ago

Let f(x) = 24 over 3x-2 find f(-2)

Mathematics

1 answer:

san4es73 [151]3 years ago

7 0

I hope this helps you

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Evaluate -|-8 - 2| -6 -10 10

Elina [12.6K]

Answer:

-10

Step-by-step explanation:

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3 years ago

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Solve for y 7y=84 Please help me I need this for my homework

Anon25 [30]

Answer:

y=12

Step-by-step explanation:

Lets write out the equation so it easy to work with.

7y=84

Divide both sides by 7

7y/7=84/7

Divide

y=12

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4 years ago

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An architect is designing a department store. She wants to add an escalator. She knows that the escalator will make a 30° angle

lbvjy [14]

As per the problem

The escalator make a 30° angle with the floor .

The escalator have a vertical height of 36 feet.

Now draw the diagram with the given information, the diagram is attached below

From the diagram,

Horizontal length=AB=d

Distance traveled by the person on the escalator stairs=AC=l

In triangle ABC,

$tan30=\frac{36}{d}\\ \\ \frac{1}{\sqrt{3}} = \frac{36}{d}\\ \\ d=36\sqrt{3} \\$

Again in triangle ABC, Using Pythagoras Theorem

$AC^2=AB^2+BC^2\\ \\ l^2=36^2+(36\sqrt{3})^2\\ \\ l=\sqrt{36^2+(36\sqrt{3})^2} \\ \\ l=\sqrt{5184} =72\\$

The horizontal length needed is $36\sqrt{3} ft$

The distance a person would travel on the escalator stairs is 72 ft

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3 years ago

20 POINTS ANSWER QUICKLY PLEASE Solve for X.

Luba_88 [7]

Answer:

x = 22.5

Step-by-step explanation:

flat angle (straight line) = 180

right angle = 90

given the picture,

x + 3x = 180-90

4x = 90

4x/4 = 90/4

x = 22.5

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3 years ago

Of the new cars at a car dealership, 12% are red. If they have 50 new cars in their lot, how many cars are red?

PIT_PIT [208]

6 red cars

we require to calculate 12% of 50

12% = $\frac{12}{100}$ and $\frac{12}{100}$ × 50 = 6

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4 years ago