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3 years ago

12

Juan works at thud movie theater for 4.5 hours each day. if he works 7 days over the 2 week schedule, how many hours has he work

ed?

1 answer:

snow_tiger [21]3 years ago

3 0

4.5 hours x 7 days

31.5 hours

It is not 4.5 x 14 because he works 7 days over the 2 week schedule

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Which equation can be solved by using this system of equations?

andrew11 [14]

the equation that we can solve using the given system of equations is:

3x^5 - 4x^4 - 11x^3 + 2x^2 - 10x + 15 = 0

<h3>Which equation can be solved using the given system of equations?</h3>

Here we have the system of equations:

y = 3x^5 - 5x^3 + 2x^2 - 10x + 4

y = 4x^4 + 6x^3 - 11

Notice that both x and y should represent the same thing in both equations, then we could write:

3x^5 - 5x^3 + 2x^2 - 10x + 4 = y = 4x^4 + 6x^3 - 11

If we remove the middle part, we get:

3x^5 - 5x^3 + 2x^2 - 10x + 4 = 4x^4 + 6x^3 - 11

Now, this is an equation that only depends on x.

We can simplify it to get:

3x^5 - 4x^4 - 11x^3 + 2x^2 - 10x + 15 = 0

That is the equation that we can solve using the given system of equations.

If you want to learn more about systems of equations:

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4 0

1 year ago

What it 3 1/2 times 5

kirill [66]

17.5 that is your answer!

if you need anymore help message me in my inbox ;)

4 0

3 years ago

Read 2 more answers

Joe began to increase the speed of his car at 2:00 P.M. Since that time,the speed of Joes car has been steadily increasing by 1

Olegator [25]

Answer:

7 mins

Step-by-step explanation:

Current speed of Joes Car = 65.5 mph

We have to find the time interval for which the car exceeded the speed limit of 55 mph.

While, we are given that the speed of the car was constantly increasing, hence the speed over all increased from the limit of 55 mph = 65.50-55.00 = 10.50 mph

We are also given that Joes car was increasing speed at a constant rate of 1.50 mph for every passing minute. Hence

1.50 mph is increased in 1 minute

1 mph will be increase in $\frac{1}{1.5}$ minutes

Hence

10.50 mph will be increased in $\frac{1}{1.5} \times 10.50$ minutes

$= \frac{10.5}{1.5}$

$=7$

Hence joes car was exceeding the limit of 55 mph for 7 minutes.

8 0

3 years ago

(-7.4)+e=9.11 what is e

Leya [2.2K]

<em>Greetings from Brasil...</em>

Solving this equation

<h2>-7.4 + E = 9.11</h2><h2>E = 16.51</h2>

3 0

3 years ago

At a clothing store, jackets are on sale for 30% off. Sales tax is 5%. Which expression will calculate the total cost of a jacke

VLD [36.1K]

Answer: B.x(0.75)

Step-by-step explanation:

If the jacket has a cost of $x$ , but has $30\%$ off and we have to add the $5\%$ in tax, we can write all in the following expression:

$x-30\% x+5\%x$

Where:

$x$ is the cost

$30\% x=\frac{30}{100}x=0.3 x$ is the percent off

$5\%x=\frac{5}{100}x=0.05x$ is the tax

Then:

$x-0.3 x+0.05 x=0.75 x$

This can be also rewritten as:

$x(0.75)$

Hence, the correct option is B.

3 0

3 years ago