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jasenka [17]
4 years ago
7

Find sin A. Please select the best answer from the choices provided

Mathematics
1 answer:
Phantasy [73]4 years ago
8 0

A key word to remember when doing this type of math is "SOHCAHTOA".

Sine =

Opposite over

Hypotenuse

Cosine =

Adjacent over

Hypotenuse

Tangent =

Opposite over

Adjacent


Since this is a 3, 4, 5 triangle, with the sides just multiplied by 7, the opposite of A which is 28 would be simplified to 4.

And the Hypotenuse would be simplified to 5.

So, the answer is 4 / 5!

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Write a short statement that expresses a possible relationship between the variables. Gas mileage of car, cost of driving 500 mi
PIT_PIT [208]

Answer:

D) As the gas mileage increases, the cost of driving a fixed distance increases.

Step-by-step explanation:

Hello!

Given the variables

X₁: Gas mileage of a car

X₂: Cost of driving 500 miles

Normally the variable that changes more is the gas mileage of the car, depending on the type of the car or the age of different cars from the same model and brand, the amount of gas used to cover a fixed distance varies.

From a logical point of view you'd expect that the more gas the car consumes, the more it will cost to drive a fixed distance. So the correct option is D)

Options:

A) As the gas mileage increases, the cost of driving a fixed distance decreases.

B) As the cost of driving a fixed distance increases, the gas mileage decreases.

C) As the cost of driving a fixed distance decreases, the gas mileage increases.

D) As the gas mileage increases, the cost of driving a fixed distance increases.

I hope this helps!

6 0
4 years ago
David wanted to go on an amusement park ride. A sign posted at the entrance read “You must be greater than 42 inches tall and no
uranmaximum [27]

Answer:

x<15

Step-by-step explanation:

hope this helped !!!

8 0
3 years ago
A traffic light changes every 28 seconds
nevsk [136]
Easy all you have to do is find out the latest! It is 224. Hope that helps
5 0
4 years ago
Two sides of a triangle have lengths 9 and 14 units. Describe what you know about the length of the third side.
ryzh [129]
Since we do not know anything about angles, all we can do is to give the maximum and minimum lengths of the  third side using the triangle inequality, which is:
the sum of lengths of the two shorter sides of a triangle must be GREATER than the third side (say X)

If 9 and 14 are the shorter sides, then the sum of 9 and 14 must be greather than the third side, X.  => 9+14=23>X, or X<23. .................(1)

If 14 is the longest side, then 9+third side (X) must be greater than 14, or 9+X>14, or X>14-9=5, or X>5, or 5< X ..............................(2)

Combining conditions (1) and (2)
5 < X < 23
OR
X must be greater than 5 AND X must be less than 23
OR
X must be between 5 and 23.
5 0
3 years ago
What is the range of the function f(x)=-2(6x)+3
Stolb23 [73]

Answer:

see below:

Step-by-step explanation:

8 0
3 years ago
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