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2 years ago

Can anyone start me off on this? its trigonometric ratios

Mathematics

1 answer:

Alexxx [7]2 years ago

5 0

Answer:

The angle is about 30.27 degrees.

Step-by-step explanation:

Use the trig ratio cosine because you are given the adjacent leg and the hypotenuse.

$cos^{-1} =19/22$

Plug into a calculator

Rounded to the nearest hundredth the angle is 30.27 degrees.

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The length of a rectangle is x-2. It's area is 2x-4. What is a simplified expression for the width?

NNADVOKAT [17]

Answer:

3x-6

Step-by-step explanation:

8 0

3 years ago

Find the area of a rectangle whose perimeter is 60in and width is 10in.

Dafna1 [17]

Answer:

250 sq. inch

Step-by-step explanation:

Perimeter: 60 inch

: 2 X L+B

: 2 X ? + 10

Length: 60-10

: 50/2

: 25 inch

Area: L X B

: 25 X 10

: 250 sq.inch

Hope it helps ;)

Please tell if it's correct

Please mark as brainliest!

3 0

2 years ago

Sara and Paul are on opposite sides of a building that a telephone pole fell on. The pole is leaning away from Paul at

r-ruslan [8.4K]

Answer:

a) See figure attached

b) $x = \frac{sin(124)}{sin(34)} 80.086 = 118.732 ft$

c) $h = 35 sin (59) = 30.0 ft$

So then the heigth for the building is approximately 30 ft

Step-by-step explanation:

Part a

We can see the figure attached is a illustration for the problem on this case.

Part b

For this case we can use the sin law to find the value of r first like this:

$\frac{sin(22)}{35 ft} =\frac{sin(59)}{r}$

$r= \frac{sin(59)}{sin(22)} 35 ft = 80.086ft$

Then we can use the same law in order to find the valueof x liek this:

$\frac{sin(124)}{x ft} =\frac{sin(34)}{80.086}$

$x = \frac{sin(124)}{sin(34)} 80.086 = 118.732 ft$

And that represent the distance between Sara and Paul.

Part c

For this cas we are interested on the height h on the figure attached. We can use the sine indentity in order to find it.

$sin (59) = \frac{h}{35}$

And if we solve for h we got:

$h = 35 sin (59) = 30.0 ft$

So then the heigth for the building is approximately 30 ft

5 0

3 years ago

You were paid $82.50 for seven 1/2 hours <br> of work what is your rate of pay

sertanlavr [38]

$11 per hour. Divide 82.5 by 7.5 and you get how much money she earns in an hour (11 dollars)

6 0

3 years ago

The ticket price for an ice hockey match used to cost £19.60. The price has now increased by 12.5%. How much will 2 tickets cost

Amanda [17]

Answer:

The 2 tickets will cost £44.10 after the increase.

Step-by-step explanation:

First, you have to multiply £19.60 by 12.5% to find the increase in the cost of tickets.

$19.60(0.125)=2.45$

Add the price increase to the original cost to find the new cost of each ticket.

$19.60+2.45=22.05$

Multiply the result by 2 since you have to look for the cost of the 2 tickets.

$22.05(2)=44.10$

8 0

3 years ago

Can anyone start me off on this? its trigonometric ratios​

Can anyone start me off on this? its trigonometric ratios