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umka21 [38]
3 years ago
6

Work out the area of this circle.

Mathematics
1 answer:
ZanzabumX [31]3 years ago
7 0

Answer:

Area of a circle = 3.14 X radius X radius

= 3.14 X 4.5 X 4.5 = 63.585 m2

Hope this helps....

Step-by-step explanation:

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Which system of equations is graphed below?
algol [13]

(Pls give brainliest! :D)

Answer:

<em>B</em>

Step-by-step explanation:

<em>You know that the graph intercepts at the point of (4,-2)</em>

<em />

<em>Where x = 4 and y = -2.</em>

<em />

<em>This means that whenever you plug a value of x in the equation it should give the value of y.</em>

<em />

<em>For example when you plug x= 4 into the equation (B), it should look like this.</em>

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<em>4- y = 6, solving for y gives us the value negative 2.</em>

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<em>This means that it does give us this point, however, as the graph shows us, both lines meet at the point which means that both equation should give us this point.</em>

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<em>If we substitute x = 4 in the second equation of b, we should be able to get 3(4) + 4y = 4. Solving for y gives us -2.</em>

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Hope this helps!

-<em>Yumi</em>

4 0
3 years ago
Read 2 more answers
The first three terms of a sequence are given. Round to the nearest thousandth (if necessary).
zalisa [80]

Answer: 272

Step-by-step explanation:

Let a1=11

a2=20

a3=29

Formula for sequence=

an=a1+(n-1)d

an = nth term

a1= first term

n= nth position

d= common difference

We are looking for the 30th term,so our n=30

d= a2-a1

d= 20-11

d= 9

Using the formula

an= a1+(n-1)d

a30= 11+(30-1)9

a30= 11+(29)9

a30= 11+(29×9)

a30= 11+261

a30= 272

Therefore, the 30th term is 272

8 0
3 years ago
Which expression can be used to determine the length of segment AB? On a coordinate plane, triangle A B C has points (4, 3), (ne
JulijaS [17]

Answer:

StartRoot 2 squared + 6 squared EndRoot

Step-by-step explanation:

we have

A(4,3) and B(-2,1)

we know that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute the given values

AB=\sqrt{(1-3)^{2}+(-2-4)^{2}}

AB=\sqrt{(-2)^{2}+(-6)^{2}}

AB=\sqrt{40}\ units

therefore

StartRoot 2 squared + 6 squared EndRoot

7 0
3 years ago
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a taxi driver makes $24.50 in an hour, but uses $6.75 worth of gas during that time. what will the driver's total earnings for t
Paladinen [302]
$24.50 - $6.75 = $17.75

4 0
4 years ago
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One car costs $18,942.
oksian1 [2.3K]

Answer:

28,130

Step-by-step explanation:

18,942+9188=28,130

7 0
3 years ago
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