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3 years ago

13

martin went to foot locker and purchased a jersey for 59.79,a t-shirt for 11.49,and a hoodie for 49.99. He has a coupon for 25%

off and will pay 6% in sales tax.What is martins total purchase

1 answer:

Doss [256]3 years ago

8 0

I'm pretty sure it's $96.41

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In Canada in 1998 the estimated number of households that owned 2 or more vehicles was 3.939 x 10 6

WITCHER [35]

In Canada in 1998 the estimated number of households written in standard decimal notation is 3939000

<u>Solution:</u>

Given that in 1998 estimated number of households that owned 2 or more vehicles was $3.939 \times 10^{6}$

Need to represent the number $3.939 \times 10^{6}$ in standard decimal notation.

In this case we need to move the decimal point based on the power of 10.

In our case power of 10 = 6.

Let’s first take a number without $10^6$ and add six zeros on right.

So we get 3.939000000

Now multiplying above number by $10^6$ means moving the decimal after 6 numbers from the current position, that means

$3.939 \times 10^{6}=3939000.00$

That is 3939000 is required standard decimal notation of scientific notation number $3.939 \times 10^{6}$

5 0

4 years ago

Write an equation about the movement of a Ferris wheel.As a Ferris wheel turns , the distance a rider is above the ground varies

alekssr [168]

Answer:

Step-by-step explanation:

The graph is sketched in the attachment. It's easy to sketch the same graph using the given information. Let's say h is the height. For time t=0 you put a dot on 3 feet since it's the lowest point of the ferris wheel (you get that by substracting the diameter of 40 feet from the highest point given (43 feet).

Second dot is your highest point 43 feet at t=4 sec since it is the half of the circle.

The third dot is your lowest point again at t=8 sec. If you connect the dots like a sine you get the sketched graph.

To find out what is the equation for the graph you need to look at the amplitude which in this case is 20 feet. Then you need to find out the frequency at which the wheel is turning. Since you are given the period (8 sec for a full cycle) you get the frequency:

$f=\frac{1}{T}=\frac{1}{8}$

Now you need to find out the phase of the wave. Since we want to be at 0 feet at t=0 you need to shift the wave 90° degrees forward or $\frac{\pi}{2}$ in radians.

Finally it's important to shift the whole wave up. You do that by adding the appropriate amount that is in this case the half of the diameter plus the 3 feet to the ground.

The equation you get is:

$h(t)=23+A\sin(2\pi f t-\phi)=23+20\sin(0.25\pi t-\frac{\pi}{2})$

where A is amplitude, $\phi$ is the phase shift and $f$ is the frequency.

Finally you can get the height at $t=4.5$ sec:

$h(t=4.5)=23+20\sin\left(0.25\pi4.5-\frac{\pi}{2}\right)=41.478\ \text{ft}$

8 0

3 years ago

based On this data, what is a reasonable estimate of the probability that a van is the next type of vehicle rented

Aleonysh [2.5K]

The question is incomplete, the complete question is here

Shaniya owns a company that rents cars called Car Go. The following bar graph summarized the type of vehicles rented last week. Based on the data, what is a reasonable estimate of the probability that a van is the next of the vehicle rented?

The graph is attached down

Answer:

The probability that a van is the next type of vehicle rented is 25% or $\frac{1}{4}$

Step-by-step explanation:

Probability of an event = outcomes of the event ÷ total outcomes

From the attached graph

∵ The number of cars rented is 8

∵ The number of vans rented is 5

∵ The number of trucks rented is 4

∵ The number of motorcycles rented is 3

- Add all of them to find the number of vehicles rented

∴ The number of vehicles rented = 8 + 5 + 4 + 3 = 20

To find the probability of that a van is the next type of vehicle rented divide the number of the vans by the number of the vehicles

∵ The number of vans = 5

∵ The number of vehicles = 20

∴ P(van) = $\frac{5}{20}$

- Divide up and down by 5 to simplify it

∴ P(van) = $\frac{1}{4}$

- To change it to percent multiply it by 100%

∴ P(van) = $\frac{1}{4}$ × 100% = 25%

The probability that a van is the next type of vehicle rented is 25% or $\frac{1}{4}$

5 0

4 years ago

Which equation is the universe of y=9x^2-4

Sladkaya [172]

Step-by-step explanation:

keep in mind that, to get the inverse expression of any relation, we start off by doing a quick switcheroo on the variables, and then solve for "y", so let's do so,

5 0

3 years ago

Read 2 more answers

If b - 12 = 18, what is the value of 4(b + 5)

LekaFEV [45]

Answer:

corrcet answer is 140

Step-by-step explanation:

b-12= 18

b = 30

4(30+5)

4(35)

140

can i get brainliest.

6 0

3 years ago

Read 2 more answers