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CaHeK987 [17]
3 years ago
9

greg works at a video store he earns $7 an hour plus $5 for each memebership he sells write a formula that will help greg determ

ine how much hell will earn in one week let a=amount earned and h=hours worked in one week and m=number of membership sold in one week
Mathematics
1 answer:
san4es73 [151]3 years ago
8 0
A= 7h+5m okayyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
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sesenic [268]
Do you need this solved in a specific way? Solving for y you get 3/2
6 0
3 years ago
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Match the y-coordinates with their corresponding pairs of x-coordinates on the unit circle. the x coordinates to choose from are
vaieri [72.5K]
Of the four x-coordinates to choose only 1/√(11) belongs can belong to the unit circle.

The other three x-coordinates are greater than 1, then they are out of the unit circle.

The unit circle formula is x^2 +y^2 = 1

Then to find the y-coordinate given the x-coordinate you can solve for y from that formula:

y^2 = 1 - x^2

y = (+/-)√(1-x^2)

Substitute the value of x

y = (+/-)√{1 - [1/√(11)]^2} = (+/-) √{(1 - 1/11} =(+/-) √ {(11 -1)/11 =(+/-)√(10/11) ≈ +/- 0.95


6 0
3 years ago
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kaheart [24]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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wind resistance varies jointly as an objects surface area and velocity. if an object traveling at 55 miles per hour with a surfa
nikdorinn [45]

Answer:

25 miles per hour

Step-by-step explanation:

Given

W = Wind\ resistance

A = Surface\ Area

V = Velocity

The joint variation can be represented as:

W\ \alpha\ A*V

Where:

V = 55; A = 20; W = 220

Required

Find V,  when: A = 55; W = 275

We have:

W\ \alpha\ A*V

Express as an equation

W= k *A*V

Where k is the constant of variation

Make k the subject

k = \frac{W}{A*V}

When: V = 55; A = 20; W = 220

We have:

k = \frac{220}{20 *55 }

k = \frac{220}{1100}

k = 0.2

When: A = 55; W = 275

We have:

k = \frac{W}{A*V}

Substitute: A = 55; W = 275 and k = 0.2

0.2 = \frac{275}{55 * V}

Make V the subject

V= \frac{275}{55 * 0.2}

V= \frac{275}{11}

V= 25

3 0
3 years ago
Johnny and Mark's combined age is 26 years old. Johnny is two years older than twice Mark's age. Write a system of equations and
yaroslaw [1]

m * 2 + 2 = j

Answer:

Mark is 8

Johnny is 18

Step-by-step explanation:

m * 2 = j - 2

26 - 2 = 24

24 / 3 = 8

8 * 2 + 2 = 18

6 0
3 years ago
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