Shirley works 40 hours a week and earns $12 an hour. How much money would she earn in 4 weeks

Answers

Answer 1

Answer:

Answer:
$1,920

Step-by-step explanation:

We first want to find out how much money she earns in a week which we can find by multiplying 40 by 12. Now we want to multiply 480 by 4. Hence the answer 1920

Answer 2

Answer:

Answer:

$1920

Step-by-step explanation:

It would be $1920 because if you do 40*12, it would be 480. So that's 480 a week. Since the question is asking for 4 weeks, you would then multiply it by 4, making it $1920.

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Bea is building a 1:120 scale model of a museum building. Her model has a rectangular base that is 3 feet wide and 2 feet long. What is the area of the base of the actual museum in square feet?

Answers

Area of the base of the model
3*2 = 6 square feet

Since the actual building 120 times bigger than the model, it should be multiplied with 120
6*120 = 720 square feet

PLEASE HELP ME?? 10 POINTS?! HELP ASAP.

Answers

Answer:

Last graph (D)

Step-by-step explanation:

$f(x)=x(x-2)(x+4)$

Find the zeros:

$f(x)=0\iff x(x-2)(x+4)=0\iff x=0\ \vee\ x-2=0\ \vee\ x+4=0\n\n\boxed{x=0}\ \vee\ \boxed{x=-2}\ \vee\ \boxed{x=-4}$

A graph with that x-intercepts is the last graph.

The second and third graphs are graphs of the quadratic function.

We have the function third degree (graph A and D).

What is the LCM of 7 and 9

Answers

The lcm of 7 and 9 is 63

Your new cell phone plan costs $45 per month. You pay an extra $0.05 for every text message sent. If you send 60 texts this month, how much will your bill be?

Answers

it would be $48 for that month because if you multiply 0.05 and 60 its 3.00 and then you add 45+3 and get 48

$48 is the cost this month. You multiplied 60 and $0.05, and then added $45.

Find the slope of the parallel to each given line.1) y=2/3x-2
2)y=9/5x-5

Find the slope of a line perpendicular to each given line

1)y=-1/2x-2
2)y=-x-1

Answers

Slopes of parallel lines are same, only the y-intercepts are different

Slopes of perpendicular lines are opposite reciprocals, which means when they are multiplied, it equals to -1.

1)
Parallel lines have the same slopes
y=mx+b where m is the slope

so the slope of a parallel line would be 2/3

2)
y=9/5x -5
slope will be 9/5

Next set of questions:

1) y=-1/2x - 2

$-(1)/(2) * x = -1 \to x = 2$

So that means the slope is 2

2) y=-x-1
Slope is -1, and we need to find the slope for a line perpendicular to it.

$-1 * x = -1 \to x=1$

So the slope is 1

How can you show that two objects are proportional with an equation

Answers

You can show that (y) is proportional to (x) by writing:

This would mean that:

Whereby (k) would be the constant of proportionality.

This value can be an element of a real number.

k∈R

What are real numbers?

Integers, rational numbers and irrational numbers.

Example of a graph which would show that 2 objects are proportional:

y=2x

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