3 years ago

Use a trigonometric ratio to find the length of side ST.

Mathematics

1 answer:

Blababa [14]3 years ago

4 0

Check the picture below.

make sure your calculator is in Degree mode.

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Tao uses elimination to solve the following system of linear equations. -2x+4y=162x+2y=8Which ordered pair is a solution to the

Alex_Xolod [135]

The correct answer is the first option.

If you want to use elimination, you can sum the two equations for example, so that the x's simplify:

$(-2x+4y)+(2x+2y) = 16+8$

$6y = 24$

$y = 4$

Plug this value for y in one of the equations to derive the value of x:

$2x+2y=8 \implies 2x + 8 = 8 \implies x = 0$

So, the solution is $(x,y) = (0,4)$

8 0

4 years ago

4/5=/20 math...........

Mumz [18]

Answer:

1.) 16/20

2.) 15/35

3.) 12/9

4.) 52/60

5.) 9 inches

6.) 24 centimeters

7.) 16 logs

8.) $15.40

9.) 10 miles

10.) 1.5 inches

I hope this is good enough:

7 0

3 years ago

If a 36-foot tree casts a 28-foot shadow at the same time near by building casts a 70-foot shadow, how tall is the building?

Arada [10]

Actual length / shadow ratio is equal
Let the height of the building be x, then
36/28 = x/70
x = (36 x 70)/28 = 2,520/28 = 90.

Therefore, the height of the building is 90 feet.

7 0

4 years ago

Read 2 more answers

How many liters are in a pint?

Iteru [2.4K]

0.473176473 litres are in a pint.

3 0

3 years ago

What dimensions will produce a square-based box, of minimum surface area, with volume of

Mashutka [201]

Answer:

the total surface of the box is 486 cm 2

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3 0

2 years ago