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hram777 [196]
3 years ago
12

If carpet cost $8 per square foot. How much money will it cost to put new carpet in all the rooms in the house?

Mathematics
1 answer:
Stolb23 [73]3 years ago
6 0
How many feet is the room
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Find the inverse of f(x)=x/4-7
kirill [66]

Answer:

fx^{-1} (x)=4x+28

Step-by-step explanation:

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3 years ago
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What is the length of s?​
vovangra [49]

Answer:

s = 16.97 units

Step-by-step explanation:

Since this is a right triangle, we can use trigonometry to figure out the lengths of the sides.

Look at the 45 degree angle. We can use the opposite side (12) and the hypotenuse (s) to solve for s.

Opposite and hypotenuse is sine, so we are using sine. The sine of 45 degrees is 0.70710678118. Make an equation like so:

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Put a 1 in the denominator of sine(45 degrees) so you can cross-multiply.

  • \frac{0.70710678118}{1} =\frac{12}{s}

Cross multiply.

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Divide both sides by sine(45 degrees).

  • s = 16.97

The length of side s is 16.97 units.

Another way to have done this problem is to use the Pythagorean theorem: a^2 + b^2 = c^2

Substitute 12 for a and b and solve for c, the hypotenuse.

  • (12)^2 + (12)^2 = c^2

Evaluate the exponents.

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Add them together.

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Square root 288 to solve for c.

c = 16.97, which is the same answer as you got using trigonometry.

6 0
3 years ago
8^15÷8^−3 im lost i dont get this whole simply thing at all
Phantasy [73]

8^15 ÷ 1/8^3 = 8^15 x 8^3=8^18

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Virty [35]

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Step-by-step explanation:

The dog needs 7.5 mg a pound. He weighs 10 lbs so multiply 7.5 by 10. You get 75 so divide it by 5. Answer is 15

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3 years ago
If anyone knows please help asap!!
sleet_krkn [62]

Answer:

u

Step-by-step explanation:

it is undefined because its a vertical line.

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2 years ago
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