2 years ago

NEED HELP ASAP 15 POINTS

Mathematics

1 answer:

NeX [460]2 years ago

4 0

Use the app Socratic it helps!!

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If angle X is an acute angle with tan X = 8/7, what is the value of sec X?

iren [92.7K]

Answer: $\frac{\sqrt{113}}{7}$

Step-by-step explanation:

As X is an acute angle, all 6 trigonometric functions with an argument of X are positive.

Using the identity $1+\tan^{2} X=\sec^{2} X$ ,

$1+\left(\frac{8}{7} \right)^{2}=\sec^{2} X\\\\\sec^{2} X=\frac{113}{49}\\\\\therefore \sec X=\boxed{\frac{\sqrt{113}}{7}}$

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1 year ago

Find it ASAP What is the whole 85% of 17

Paraphin [41]

If you're just trying to find 85% of 17, you would do 17 * .85 which gives us 14.45

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2 years ago

Cheng-Yu has been recording data based on her age and height, which can be seen in the scatter plot shown. Predict Cheng-Yu's he

Verizon [17]

Answer:

Step-by-step explanation:

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2 years ago

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Please Help! Will give Brainlest!

Marina86 [1]

Answer:

amplitude = 2

Step-by-step explanation:

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amplitude = 2

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1 year ago

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The sum of 5 consecutive numbers is 200. What is the smallest number?

Vikentia [17]

Answer:

Hey!

Your answer is 44!

Step-by-step explanation:

Here's how...

x+(x+2)+(x+4)+(x+6)+(x+8)=200

5x+20=200 (minus 20 on both sides to get 5x by itself)

5x=180 (divide both sides by 5 to get just x)

x=36

5th number - x+8=36+8=44 (simple substitution and addition)

I HOPE THIS HELPS!

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2 years ago

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