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3 years ago

Joan earns $10.50 per hour. She worked 40.5 hours last week. What was the amount of her check?

Mathematics

2 answers:

Klio2033 [76]3 years ago

8 0

The amount that she got paid is 425.25 dollars.

QveST [7]3 years ago

5 0

She got paid $425.25

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The table shows the monthly revenue of a business rising exponentially since it opened an online store

inn [45]

The monthly revenue of the business grows by 8%, monthly

<h3>What is an exponential function?</h3>

An exponential function is any function that has its constant raised to the power of an argument.

An exponential function is represented as:

$y = ab^x$

Where:

a represents the initial value
b = 1 + r; r represents the rate

From the table we have the following ordered pair

(x,y) = {(0,72000) (3,90000)}

So, we have:

$90000 =72000 \times b^3$

Divide both sides by 72000

$1.25 = b^3$

Take the cube roots of both sides

$b=\sqrt[3]{1.25}$

$b=1.08$

Recall that:

$b = 1+r$

So, we have:

$1+r = 1.08$

Subtract 1 from both sides

$r = 0.08$

Express as percentage

$r = 8\%$

Hence, the monthly revenue of the business grows by 8%, monthly

Read more about exponential functions at:

brainly.com/question/11464095

6 0

2 years ago

Shampoo can be bought in 5 gallon pails. The groomer uses 16 ounce bottles to to hold the shampoo. How many bottles can he get o

Akimi4 [234]

Answer:

The groomer can get 40 bottles out of the 5 gallon pail.

Step-by-step explanation:

A gallon contains 128oz (ounces)

128/16=8

8 bottles/gallon

times both sides by 5

40 bottles/5 gallons

Therefore the groomer can get 40 bottles out of the 5 gallon pail

3 0

3 years ago

Please quick responses!!

mamaluj [8]

Answer:

6 7/8 inches

Step-by-step explanation:

The first thing to do is to get the measurements in either inches or feet. You can't have both. Let's go from feet to inches.

3 feet = 36 inches

13.75 feet = 165 inches

Now we can set up a proportion to solve for the number of inches the model is:

$\frac{model}{real}:\frac{1.5}{36} =\frac{x}{165}$

Now we can cross multiply:

36x = 247.5 so

x = 6.875 or 6 7/8 inches

4 0

3 years ago

An automatics air freshener releases droplets into the air to improve the smell of a living room. At 30 minutes, the canister ha

Dovator [93]

Answer:

The equation is;

y = -1/4x + 607.5

Step-by-step explanation:

Let us have the number of drops as y axis while the number of minutes is x axis

The points to use are;

(30,600) and (130,575)

The slope can be calculated using;

m = (y2-y1)/(x2-x1)

= (575-600)/(130-30) = -25/100 = -1/4

So the equation as we model using the normal equation of a straight line (y = mx + c, m is slope and c is the intercept)

y = -1/4x + c

To get c, we simply substitute one point

Let us use (30,600)

We have

600 = -1/4(30) + c

600 + 7.5 = c

c = 607.5

So the equation is ;

y = -1/4x + 607.5

4 0

3 years ago

Bob can mow 3 lawns in 5 hours. How long would it take it to mow 9 lawns?

olga2289 [7]

Answer:

15 hours

Step-by-step explanation:

9 lawns is 3 times as much as 3 lawns

it will take 3 times as long

3 * 5 hours = 15 hours

3 0

3 years ago