MATHEMATICS HIGH SCHOOL

Which of these r-values represents the strongest correlation?) А. -0.6
• B. -0.9
• C. -0.8
• D. -0.7

Answers

Answer 1
Answer:

Answer:

-0.6

Step-by-step explanation:

because it minus sign in small the small no is greater

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Simplify the expression by using a double-angle formula or a half-angle formula. 7cos^2(theta/9)-7sin^2(theta/9)
sin(theta/6)cos(theta/6)

Answers

Double-angle formulas:
2sinФcosФ=sin(2Ф) /:2
sinФcosФ=1/2*sin(2Ф)

sin(Ф/6)cos(Ф/6)=1/2*sin(2*Ф/6)=1/2*sin(Ф/3)

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A triangle has sides of lengths 13,21, and 24. Is it a right triangle

Answers

13² + 21² = 24²
169 + 441 = 576
610 = 576
Since 610 doesn't equal 576 it is NOT a right triangle

Solve the inequality 3m greater than or equal to 9

Answers

Hello, 

3m \geq 9\,\,(Divided\,\,for\,\,3)\n \n (3m)/(3) \geq (9)/(3)\n \n \boxed{m \geq 3}\,\, \,\,or\,\,\,\,\boxed{m \in\to[3, +\infty)}

What is the decimal multiplier to increase by 1.7%?

Answers

Answer:

1.017

Step-by-step explanation:

hope this helped ✨

How do I factor -8X^2+200?

Answers

8x² + 200
-8(x²) - 8(-25)
-8(x² - 25)
-8(x² + 5x - 5x - 25)
-8(x(x) + x(5) - 5(x) - 5(5))
-8(x(x + 5) - 5(x + 5))
-8(x - 5)(x + 5)

Write an expression that is equivalent to 5(t+3) .

Answers

Answer: 5t+15

Step-by-step explanation: Distribute the 5 into the parenthesis.

5 x t = 5t

5 x 3 = 15

You will get 5t +15.

Answer: 5t+15

This is equivalent to 5t+5*3

To get the answer, you multiply the outer term 5 by each term inside

5 times t = 5*t = 5t

5 times 3 = 5*3 = 15

Then you add up those products to get 5t+15.

This is using the distributive property.
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