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dangina [55]
2 years ago
5

What is the point-slope form of a line with slope 3 that contains the point (2,1)​

Mathematics
1 answer:
Ilya [14]2 years ago
4 0
<h3>Answer: y - 1 = 3(x - 2)</h3>

Explanation:

The point-slope form is this general template

y - y1 = m(x - x1)

We replace m with the given slope 3, so we get to this

y - y1 = 3(x - x1)

Then replace the given point (x1, y1) with (2, 1) to end up with

y - 1 = 3(x - 2)

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2 years ago
Find the radius of a circle that has an area of 6.76 cm². Use it for pi.
Inessa05 [86]

Answer:

<h2>radius = 1.47 cm</h2>

Step-by-step explanation:

Area of a circle = πr²

where

r is the radius

From the question

Area = 6.76 cm²

To find the radius substitute the value of the area into the above formula and solve for the radius

That's

6.76 = \pi \:  {r}^{2}

Divide both sides by π

We have

{r}^{2}  =  \frac{6.76}{\pi}  \\ r =  \sqrt{ \frac{6.76}{\pi} }

r = 1.46689291

We have the final answer as

radius = 1.47 cm

Hope this helps you

8 0
3 years ago
A diver was swimming 62 feet below sea level. He then dove 39 feet further down. He ascended 48 feet after a while. Find the new
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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Elenna [48]

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Step-by-step explanation:

6 0
2 years ago
A cup of coffee cost $2.75. If the total cost is $16.50, then how many cups of coffee were purchased? Choose the correct equatio
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Answer:

6

Step-by-step explanation:

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