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Vilka [71]
3 years ago
5

What angle is an x–intercept for the function y= cos(.5x)

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
5 0
X-intercept appears at when y = 0

So when cos(0.5x) = 0 -> 0.5x = pi/2 + n*pi, where n is any random integers

So x = pi + 2npi, so the angle can be pi, 3pi, 5pi, so on
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Write an inequality for the situation below a number is no more than -4?
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7 0
2 years ago
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I'm giving 30 points if you answer correctly!
soldi70 [24.7K]

Answer:

Part A: 64 (right-side 3th cell) and 7 (left-side 4th cell)

Part B: 5 hours- $45; 6 hours- $54; 8 hours- $72

Part C: $5 more

Step-by-step explanation:

Explanation for Part C- We know that if she works 5 hours mowing lawns, she will earn $40. But, when she works at the theme park we use the ratio given to find out how much she earn per hour. In her case she earns $9 for every hour she works at the theme park. now if you multiply that by 5 we can find out how much she earns in 5 hours which is $45. This is $5 more than what she earns mowing lawns for the same amount of time. Here we can conclude that Barbara earns $5 dollars more working at the theme park for 5 hours rather that mowing lawns.

If you can please name me the brainliest that would be much appreciated. Thanks and Good Luck!

 

4 0
3 years ago
A test tube is cylindrical in shape with a length of 152 mm and a radius of 6.5 mm. What is the volume of the test tube? Report
vazorg [7]

Answer:

20165

Step-by-step explanation:

Given:

Length/height (h) of cylindrical test tube = 152 mm

Radius of cylindrical test tube = 6.5 mm

Volume = \pi r^2h

Required:

Volume of cylinder to nearest whole number

Solution:

The volume is given as V = \pi r^2h

Take π as 3.14 and plug the values of r and h into the volume formula.

V = 3.14*6.5^2*152

V = 3.14*6.5*152 = 20165.08

Volume of the test tube = 20165 mm³ (nearest whole number)

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3 years ago
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2 years ago
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Answer:

okay let me see

Step-by-step explanation:

4 0
3 years ago
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