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3 years ago

11

a DVD box sets includes three trailer movies and two comedies use t2 represent the cost of each trailer and see to represent the

cost of each comedy write a simple why and expression that represents the total cost of 6 plus box set

1 answer:

Leto [7]3 years ago

4 0

2t + c = Total cost
HOPE IT HELP!!

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A computer technician charges $40.00 per hour plus $65.00 service charge. The computer technician spends h hours to complete the

Vaselesa [24]

You know that the computer technician has a flat 65 dollar service charge. This will be added to the hours worked.

hours= h

40 dollars per hour. So, every hour worked is worth 40 dollars.

c(h)= 40h+65

If you input the number of hours he worked as h, you would have the total amount of money he made if you solved the expression.

I hope this helps!
~kaikers

7 0

3 years ago

A circle is centered at (-6,3) and has a radius of 11. Where does the point (3,-3) lie?

scZoUnD [109]

Answer:

Inside the circle

Step-by-step explanation:

Use the distance formula to find the distance between the center and the point.

d = √((x₁ − x₂)² + (y₁ − y₂)²)

d = √((-6 − 3)² + (3 − (-3))²)

d = √((-9)² + (6)²)

d = √(81 + 36)

d = √117

d ≈ 10.817

This is less than the radius of 11, so the point is inside the circle.

4 0

4 years ago

Lucky Charms are sold in boxes with an advertised mean weight of 20.5 oz. The standard deviation is known to be 2.25 oz. A consu

Alinara [238K]

Answer:

Set of hypothesis.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 20.5 oz

Sample mean, $\bar{x}$ = 20.4 oz

Sample size, n = 50

Population standard deviation, σ = 2.25 oz

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 20.5\text{ oz}\\H_A: \mu < 20.5\text{ oz}$

We use One-tailed z test(left tailed) to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{20.4 - 20.5}{\frac{2.25}{\sqrt{50}} } = -0.3142$

Based on the significance level, we can make our decision and complete the hypothesis testing.

We may accept the null hypothesis or fail to accept depending on different significance level.

4 0

4 years ago

Solve graph and write the solution to each inequality in interval notation <br> 1. |b+3|>7

OleMash [197]

B+3> 7 and. b+3< -7
-3 -3 -3. -3

b>4 and b<-10

3 0

4 years ago

What is the answer to this equation -7 c + 2 = 16?

Lelechka [254]

Answer:

c=-2

Step-by-step explanation:

Equation: -7c+2=16

-7c=16-2

-7c=14

c=14/-7

c=-2

6 0

3 years ago

Read 2 more answers