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qwelly [4]
3 years ago
7

Find the standard deviation of the sample ($23.14, $20.12, $56.21, $34.56, $43.74)

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0

Answer:

S.D=61.824137824783

Step-by-step explanation:

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What is the solution to 8x - 3(2x - 4) = 3(x - 6)?<br> A.30<br> B.2<br> C.6<br> D.No solution
anyanavicka [17]

Answer: A.30

Step-by-step explanation:

Let's solve your equation step-by-step.

8x−3(2x−4)=3(x−6)

Step 1: Simplify both sides of the equation.

8x−3(2x−4)=3(x−6)

8x+(−3)(2x)+(−3)(−4)=(3)(x)+(3)(−6)(Distribute)

8x+−6x+12=3x+−18

(8x+−6x)+(12)=3x−18(Combine Like Terms)

2x+12=3x−18

2x+12=3x−18

Step 2: Subtract 3x from both sides.

2x+12−3x=3x−18−3x

−x+12=−18

Step 3: Subtract 12 from both sides.

−x+12−12=−18−12

−x=−30

Step 4: Divide both sides by -1.

−x/-1 = -30/-1

<h3>x=30</h3>
7 0
2 years ago
Why are these triangles similar?
AveGali [126]

Answer:

I think they are similar by SAS.

Step-by-step explanation:

Both triangles may not be the same size, but they have similar sides and similar angles.

4 0
2 years ago
The area of B is 144pi ft2 Find the circumference of b
baherus [9]
A c=12 pi ft i think

8 0
2 years ago
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Theodore earned $92.40 in interest after 4 years on a principal of $550. What is the interest rate (%)?
Dafna11 [192]
Hello!!
Answer:
4.2%
Step by step explanation:
I don’t know how to explain it but here’s a step by step explanation ig lol
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A certain ore contains 21 percent gold. How much ore (in tons) is needed to obtain 882 tons of gold?
krok68 [10]

Answer:

it would be 4200 ore

Step-by-step explanation:

because 882/.21

6 0
2 years ago
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