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Makovka662 [10]
4 years ago
10

Find the area of the shaded region. (Plz show work)

Mathematics
1 answer:
Kamila [148]4 years ago
8 0

Answer:

Area of shaded region ≈ 192.42

Step-by-step explanation:

21/2 = radius

radius = 10.5 m

A = πr squared

Area of shaded region≈346.36

10.5 - 3.5 = 7

Area of unshaded region ≈ 153.94

346.36 - 153.94 = 192.42

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What is the slope intercept form of the equation of the line?
beks73 [17]

Answer:

The slope-intercept form of the equation of the line is:

y = 2/3x + 2

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

  • m is the slope
  • b is the y-intercept

Given the points

  • (0, 2)
  • (3, 4)

(x₁, y₁) = (0, 2)

(x₂, y₂) = (3, 4)

Using the formula

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

               =  [4 - 2] / [3 - 0]

               = 2 / 3

Thus, the slope of the line = m = 2/3

We know that the value of the y-intercept can be determined by setting x = 0 and determining the corresponding value of y.

From the graph, it is clear

at x = 0, y = 2

Thus, the y-intercept b = 2

now substituting m = 2/3 and b = 2 in the slope-intercept form

y = mx+b

y = 2/3x + 2

Therefore, the slope-intercept form of the equation of the line is:

y = 2/3x + 2

5 0
3 years ago
Find the mean of the data in the dot plot below.<br> jokers
galben [10]
There is no dot plot ?
6 0
3 years ago
Whats the circumference of a circle with a diameter of 12ft
Tanzania [10]
Let me tell you a secret!
You know how the formula for Circumference is 

<span>C = 2πr
</span>
Where r is the radius? 

The reason why this formula works the way it does is because of what <span>π IS. 

</span><span>π is the ratio of ANY circle's Circumference to it's Diameter.

So you can think of </span><span>π like this: 
</span>
Circumference / Diameter.
2r is the same as the diameter. So what you are doing is canceling out the diameter. Similar to what you do in algebra I to solve for x. Then you are just left with the circumference. That's pretty neat!

So, let's get to it!

2<span>πr
</span>
Sadly, you'll most likely need to use a calculator for this problem, but if you are not permitted one then replace <span>π with 3.14. 
</span>
What is r?
r = diameter / 2

r = 12 / 2
r = 6

2<span>π6
</span>
If you are allowed to use a calculator then plug it in to it. If not then start doing some long multiplication!

37.699ft
3 0
3 years ago
Simplify (-5/7)÷(-1/2) show work
anastassius [24]

Answer:

\frac{10}{7}  \: or \: 1 \frac{3}{7}

Step-by-step explanation:

-  \frac{5}{7}  \div  -  \frac{1}{2}  =  -  \frac{5}{7}  \times  -  \frac{2}{1}

First you reciprocate the fractions and change the division sign to multiplication.

- 5 \times  - 2 = 10 \: and \: 7 \times 1 = 7

Therefore the answer is:

\frac{10}{7}

3 0
2 years ago
Will mark brainliest please help me Explain step by step how to find the equation of a line that goes through the points ( 7, 2
vagabundo [1.1K]

Answer:

Step-by-step explanation:

Put the ordered pairs into the slope formula x=y2-y1/x2-x1 then you will get your slope of the line. once you have your slope pick an ordered pair and put it in point slope y-y1=m(x-x1) distribute and you will get your answer.

5 0
3 years ago
Read 2 more answers
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