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lawyer [7]
3 years ago
15

If DEF measures 60, what is the measure of arc df?

Mathematics
1 answer:
Anon25 [30]3 years ago
5 0

Answer:

60

Step-by-step explanation:

DEF is the central angle and the central angle equals the arc so in this case the central angle is 60 so that makes arc DF 60.

i HOPE THIS HELPED ;-}

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10(n^2+n) -6 (n^2 - 2). simplify the following
Setler [38]

Answer:

4n^2 + 22n

Step-by-step explanation:

10(n^2+n) -6 (n^2 - 2)

10n^2 + 10n - 6n^2 + 12

4n^2 + 22n

3 0
3 years ago
In the equation y = 2(x + 5), if x is increased by 3, then y is increased by
Zielflug [23.3K]
Y is increased by 6 because if you imagine x being 3 then y would = 16 but if you increase x by 3 making 6 then y would = 22 and 16 increased by 6 is 22
8 0
3 years ago
Tom determines that the system of equations below has two solutions, one of which is located at the vertex of the parabola. Equa
slega [8]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Find the area of a circle whose circumference is 18.84.
ivann1987 [24]

Answer:

310.23

Step-by-step explanation:

circumference is radius * 2

to get radius from circumference, divide circumference by 2

18.84 / 2 =9.42

area for circle:

pi * r^2

3.14 * 9.94^2

3.14 * 98.8

310.23

7 0
2 years ago
Olve the two-step equation and identify the steps.<br><br> 2 = − 7<br> 4<br> + 1<br> 4<br> x
saul85 [17]

Answer:

x = 5.142

Step-by-step explanation:

<em>2=-74+14x</em>

if you want to make x the subject (work out its value), you need to single out x

1) the first thing that we can do is get rid of the -74

2) do this by adding it on to both sides of the equation. This is called the inverse

<em>2+-74=-72   -74+14x=14x</em>

<em>-72=14x</em>

3) to get x on its own, we now need to get rid of the 14

REMEMBER:<em> 14x = 14×x</em>

4) We do the inverse by dividing both sides by 14

<em>-72÷14=-5.142..</em>.

its surprising that its not an integer

<em>5.142=x</em>

<em>x=5.142 </em>

PLEASE LET ME KNOW IF THIS IS CORRECT

6 0
3 years ago
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