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3 years ago

Which equation represents a line that passes through (5,4) with a slope of 2/5

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

5 0

Answer:

y = 2/5x +2

Step-by-step explanation:

y - 4 = 2/5(x -5)

y-4 = 2/5x -2

y = 2/5x +2

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Justin wants to cover the top of a circular swimming pool to keep insects out of the pool. If the diameter of the pool is 20 fee

evablogger [386]

Answer: The area is approximately 314 ft^2

Step-by-step explanation:

Well if the diameter is 20 feet then the radius will be 10 because the radius is half the diameter, and to find the area of a circle, you use the formula

A= $\pi r^{2}$ where A is the area and pi times the radius squared.

We will represent pi by 3.14

A= 3.14* 10^2

A= 3.14 * 100

A = 314

6 0

3 years ago

Which of the following inequalities matches the graph? 100 point

solong [7]

Y<0 is the inequality. The line is on 0 on the y axis. And it’ll be < since the shaded section is is at the bottom. It’ll be > if the top is shaded.

3 0

3 years ago

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A jet travels 584 miles in 4 hours. At this rate how far could the jet fly in 13 hours?what is the rate of speed of the jet

ankoles [38]

Answer:

The speed at which jet travel is 44.92 miles per hour

The distance cover at 44.92 mph is 583.96 miles .

Step-by-step explanation:

Given as :

The distance cover by jet = d = 584 miles

The time taken b the jet to cover 584 miles = t = 13 hours

Let The speed at which jet travel = s

So, Speed = $\dfrac{\textrm distance}{\textrm time}$

or, s = $\dfrac{\textrm d}{\textrm t}$

Or, s = $\frac{584}{13}$

∴ s = 44.92 mph

So , The speed at which jet travel = s = 44.92 miles per hour

Now, At The speed of 44.92 mph

Let The distance cover at this speed = d' miles

And for the distance of d' , the time taken= 13 hours

Now, Distance = Speed × Time

So, d' = 44.92 mph × 13

Or, d' = 583.96 miles

So, the distance cover at 44.92 mph = d' = 583.96 miles

Hence The speed at which jet travel is 44.92 miles per hour

And The distance cover at 44.92 mph is 583.96 miles . Answer

7 0

3 years ago

Calculate the area of a 3-inch by 5-inch photo. What would be the area if it is enlarged by a scale factor of 2? What would be t

Olegator [25]

3 inch by 5 inch
A = L * W.....A = 3 * 5....A = 15 inches^2

if it is enlarged by a scale factor of 2...
3 x 2 = 6
5 x 2 = 10
Area = L * W......A = 6 * 10...A = 60 inches^2

if reduces by a scale factor of 1/2..
3 x 1/2 = 3/2 = 1.5
5 x 1/2 = 5/2 = 2.5
A = L * W....A = 1.5 * 2/5....A = 3.75 inches^2

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3 years ago

Marta’s mother shared a funny video of their cat on the Internet. The total number of people who had viewed the video over the f

kompoz [17]

In the question "Marta’s mother shared a funny video of their cat on the Internet. The total number of people who had viewed the video over the first 30 days could be modeled using the function f(x) = 33(1.3)x where x is the number of days the video has been online. About how many people had viewed the video once it had been online for 20 days?" The correct answer is 6271 because given the function f(x) = 33(1.3)^x where x is the number of days the video has been online. For x = 20 days: f(20) = 33(1.3)^20 = 33(190.0496377) = <span>6,271</span>

3 0

4 years ago

Read 2 more answers