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3 years ago

11

What is 17 less than a number? HELP!

1 answer:

NARA [144]3 years ago

5 0

Answer:

x - 17

Step-by-step explanation:

hope that helps

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Verify csc^2t-cos t sect= cot^2 t

slega [8]

Rewriting the left hand side,

csc²t - cost sec t

= (1/sin²t)-(cost)(1/cost)

= 1/sin²t - 1

= 1/sin²t - sin²t/sin²t

= (1-sin²t)/sin²t

= cos²t/sin²t

= cot²t

4 0

2 years ago

NEED HELP!! 15 POINTS!!!

Free_Kalibri [48]

Answer:

Option B) add 5 to both sides of the equation

Step-by-step explanation:

we have

$x^{2}+18x+76=0$

step 1

Add 5 to both sides of the equation

$x^{2}+18x+76+5=0+5$

$x^{2}+18x+81=5$

step 2

Rewrite as perfect squares

$(x+9)^{2}=5$

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4 years ago

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The sides of a whiteboard are 2 feet by 4 inches. How many 2 inch by 2 inch Post-it notes will be needed to cover the entire whi

weeeeeb [17]

Answer:

24

Step-by-step explanation:

the area of white board = (2×12) ×4 = 96 sq in.

the area of post-it = 2×2 = 4 sq in

so, numbers of post-it = 96/4 = 24

5 0

3 years ago

Suppose 420 randomly selected people are surveyed to determine whether or not they play sports. The sample proportion for succes

eduard

Answer:

420 funny number

Step-by-step explanation:

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3 years ago

Just by looking at y = −x 2 + 1, how do you know that it does not represent a line?

Whitepunk [10]

The answer is <u><em />A</u><u /> but im not 100% sure

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3 years ago

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