MATHEMATICS HIGH SCHOOL

Vincent has already finished 5 oil changes today, and can complete more at a rate of 1 oil change per hour. Warren just came on shift, and can finish 2 oil changes every hour. Sometime during the day, the friends will be tied, with the same number of oil changes completed. How long will that take? How many oil changes will Vincent and Warren each have done?

Answers

Answer 1

Answer:

Oil changes = 5

Vincent = 10 oil changes

Warren = 10 oil changes

Step-by-step explanation:

Vincent = 5 + h

Warren = 2h

Where,

h = number of oil changes

How long will that take?

Vincent = Warren

5 + h = 2h

5 = 2h - h

5 = h

h = 5

Number of oil changes = 5

How many oil changes will Vincent and Warren each have done?

Vincent = 5 + h

= 5 + 5

= 10 oil changes

Warren = 2h

= 2(5)

= 10 oil changes

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given cos theta is equal to - 4/ 7 then we can conclude that theta is in the second and third quadrants. In this case, the other leg is equal to square root of (7^2 - 4^2 ) equal to square root of 33. In this case, sin theta can be equal to +- square root of 33 / 7 and tan theta is equal to +-square root of 33 / 4.

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Trigonometry identity

Given the following trigonometry identity

cos Θ = -4/7

This shows that

Adjacent = 4

Hypotenuse = 7

Determine the opposite

x^2 = 7^2 - 4^2
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learn more on triginometry here: brainly.com/question/24349828

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How do i solve this
(-15b - 7) - (-2b)

Answers

Answer:

13b + 7

Step-by-step explanation:

Combine like terms. (-15b - 7) - (-2b), add -15b to both sides, the equation then becomes (-7) - (13b). Swap the equation around to become (13b) - (-7), a subtraction sign and then a negative makes the negative a positive. The equation then becomes 13b + 7.

How do you simplify the square root of 48

Answers

When you simplify the square root of a number, you are looking for factors of the number that are perfect squares that you can remove from under the radical. For example sq root of 8... it's not a perfect square but factors of 8 include 2 x 4... 4 is a perfect square so we can take it out of the radical by taking it's square root. Now you are left with 2* sq root of 2.

For sq root of 48

48 = 12 x 4

12 = 3x4 so we can say 48 = 3x4x4

so... sq root 48 = sq root 3x4x4

we have two 4's under the radical. Sq root x^2 = x so sq root 4^2 is 4

Pull it out from the radical and we are left with 4 * sq root 3

The first order was 13 bushes and 4 trees for a total of $487 the second order was 6 bushes and 2 trees for a total of $232 what were the costs of one bush and of one tree

Answers

Hagan asks a jowksbsbs lwks962

HELP!! express the following decimal as a percent. 1.544a) 154.4%
b) 0.1544%
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Answers

To convert 1.544 to percent multiply by 100

1.544 × 100 = 154.4 %

Simply multiply by 100 to convert, giving a result of 154.4%, or A.

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