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Sindrei [870]
3 years ago
9

ITS BEEN MORE THAN 48 HRS SINCE I HAVE FIRST TIME POSTING THIS MUTILPE TIMES, PLEASE HEP :((((!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Anarel [89]3 years ago
3 0

Step-by-step explanation:

Radius of the circle is 20mm.

Use the formula for the area of the circle.

A = r^2 * π

A = 20^2 * π

A = 1256.64 mm^2 (2 d.p.)

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The following proof shows an equivalent system of equations created from another system of equations. Fill in the missing reason
aev [14]

Answer:

Equation 2 of system  divided by 2 on both sides then we get second equation of system 2.

Step-by-step explanation:

We are given two equations

2x+2y=14

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We are given a proof which shows an equivalent system of equations created from another system of equations

We have to fill the correct reason in the blank space

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-4x+6y=12

Reason: Given

Statement :2x=2y=14

-2x+3y=6

Reason : equation 2 of system I divided by 2 on both sides then we get second equation of system 2.

When we divide by 2 then the solution does not change and x and y - intercepts are not change.So, the two systems are equivalent.

3 0
3 years ago
2) If it is 12° outside and the temperature is going to -7° drop 19º. What will the new temperature be? ​
shutvik [7]

Answer:

69 degrees

Step-by-step explanation:

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3 0
3 years ago
How many terms are in this expression? k+99+3m
KIM [24]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
What is the value of x?​
professor190 [17]
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Hope this helps!
8 0
3 years ago
Which expression is equivalent to square root of -108 minus square root of -3
LUCKY_DIMON [66]
Sqrt(-108) - sqrt(-3) produces two imaginary terms:  -i*sqrt( 36*3) -i*sqrt( 3).
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-i [ 6*sqrt(3) - 1*sqrt(3) ]     =     -i * 5* sqrt( 3)    (answer)
7 0
4 years ago
Read 2 more answers
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