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scoray [572]
2 years ago
13

Which of the following ratios does not describe a relationship between the balls?

Mathematics
1 answer:
Nikolay [14]2 years ago
4 0

Answer:

Step-by-step explanation:

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Use the distributive property to write expression without parenthesis 6(6x-5)
Lena [83]

Answer: 36x-30

Step-by-step explanation:

6 times 6x is 36x and 6 times -5 is -30

3 0
2 years ago
Read 2 more answers
The exact value of cos5pi/12 is:​
jonny [76]

Step 1: Convert \frac{5\pi }{12}, which is in radians into degrees. To convert it multiply by \frac{180}{\pi }

\frac{5\pi }{12} =\frac{180}{\pi }

900/12

75

Step 2: 75 degrees isn't on the unit circle but 45 degrees and 30 degrees is. Since 45 + 30 = 75 you can use the cosine of 45 and 30 to find the exact value

cos45 = \frac{\sqrt{2} }{2}

cos30 =\frac{\sqrt{3} }{2}

Step 3: Add the cos45 and cos30 to get cos5pi/12

\frac{\sqrt{2} }{2} +\frac{\sqrt{3} }{2} = \frac{\sqrt{2}+\sqrt{3}}{2}

Hope this helped!

4 0
3 years ago
Is (x+5)2 equivalent to 2x2+10x +10? Explain why or<br> why not?
Rzqust [24]

Answer:

no

Step-by-step explanation:

no because its equal to 2x+10

4 0
3 years ago
What is the y-intercept of the line that is
DaniilM [7]

Answer:

The y-intercept of the line would be (C) 8

Step-by-step explanation:

The slope of the line with the equation y = -3x - 5 is -3. When figuring out a slope perpendicular to another line you would use the negative reciprocal of the slope which would lead to the slope of the line to be 1/3.

We know it passes through the point (-3,7), substituting x and y, we would then get our new equation, (7) = \frac{1}{3}( -3) + b.

Solve the equation by multiplying -3 with 1/3 and the product would be -1. Add negative one on both sides and you would get 8 = b.

3 0
2 years ago
Jayla and Hailey were paying a dinner check, but they were not sure how much they should tip for their bill of $25.50. If a 12%
DochEvi [55]

Answer:

tip total $4

tip per person $2

total (bill plus tip) $29.

total each person $15

Step-by-step explanation:

3 0
2 years ago
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