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maks197457 [2]
2 years ago
11

1. The diameter of a circle is 36 centimeters. Find the radius. (Section 13.1)

Mathematics
1 answer:
Pepsi [2]2 years ago
5 0
36/2=18
18 would be your answer the radius is half of the diameter
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What is the value of 'n' in the equation<br> -1/2(2n+4)+6=-9+4(2n+1)
sp2606 [1]

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

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Step-by-step explanation:

5 0
3 years ago
Find the solution to the system of equations.
harina [27]

Answer:

x=2

y=3

Step-by-step explanation:

y=−2x+7

y=5x−7

Set the two equations equal since they are both equal to y

−2x+7 =5x−7

Add 2x to each side

-2x+7+2x = 5x-7+2x

7 = 7x-7

Add 7 to each side

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14 =7x

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14/7 = 7x/7

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4 0
3 years ago
Read 2 more answers
What is the solution to the system of equations?
MariettaO [177]

Answer:

x=-4 y=-1

Step-by-step explanation:

Let's solve your system by substitution.

−3x−8y=20;y=5x+19

Rewrite equations:

y=5x+19;−3x−8y=20

Step: Solve y=5x+19for y:

y=5x+19

Step: Substitute5x+19foryin−3x−8y=20:

−3x−8y=20

−3x−8(5x+19)=20

−43x−152=20(Simplify both sides of the equation)

−43x−152+152=20+152(Add 152 to both sides)

−43x=172

−43x

−43

=

172

−43

(Divide both sides by -43)

x=−4

Step: Substitute−4forxiny=5x+19:

y=5x+19

y=(5)(−4)+19

y=−1(Simplify both sides of the equation)

Answer:

x=−4 and y=−1

 

7 0
3 years ago
If it rains ​tomorrow, the probability is 0.6 that John will practice his cello. If it does not rain ​tomorrow, there is only a
steposvetlana [31]

The final probability is the weighted average of the playing probabilities calculated over the possible weather options:

P(john practices cello; given that it rains) * P(it rains) +

P(john practices cello; given that it does not rain) * P(it does not rain) =

0.6 * 0.7 + 0.4 * 0.3 = 0.54

The probability is 54%

6 0
3 years ago
Simplify the exponential expression 48 ^ 1/2​
tester [92]

Answer:  the third option

Step-by-step explanation

5 0
3 years ago
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