3 years ago

Y=x+p-q make x the subject

Mathematics

1 answer:

Agata [3.3K]3 years ago

6 0

Answer:

19 dollars fortnite card

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Please what is the answer?

Fantom [35]

Answer:

$fraction = \frac{2.5}{10} = \frac{25}{100} \\ \\ decimal = 0.25 \\$

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3 years ago

How to find the values of x and y.

SpyIntel [72]

Use the trigonometric function.

$\sin30^o=\dfrac{x}{20}\\\\\sin30^o=\dfrac{1}{2}\\\\\dfrac{x}{20}=\dfrac{1}{2}\ \ \ |\cdot20\\\\x=10$

$\sin60^o=\dfrac{y}{20}\\\\\sin60^o=\dfrac{\sqrt3}{2}\\\\\dfrac{y}{20}=\dfrac{\sqrt3}{2}\ \ \ \ |\cdot20\\\\y=10\sqrt3$

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3 years ago

A boat is spotted in the water with an angle of depression of 25° from the top of a lighthouse that is 89 feet tall. To the near

stepan [7]

To calculate this you need to imagine triangle which points are:
boat
Top of lighthouse
Bottom of lighthouse

That triangle has 90 degrees angle at bottom of lighthouse. That means that we can use trigonometry to determine length between boat and bottom of lighthouse

tan(25) = 89/x
x = 89/tan(25)
x = 190.86

after rounding, the answer is D, 191 feet

4 0

3 years ago

Read 2 more answers

Find X

Dima020 [189]

Answer:

x=10

Step-by-step explanation:

3x+8x=100+10

11x=110

x=110/11

x=10

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3 years ago

Perform the indicated operation and simplify the result.<br><br> (Tell me if it’s too blurry)

Alex

Answer:

7/(3a-1)

Step-by-step explanation:

I have tried to show the steps in the attached image,

if you need further explanation please let me know.

3 0

3 years ago