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joja [24]
4 years ago
10

Assume you obtaind the following exam scores from six students: 97,90,86,93,76, and 86

Mathematics
2 answers:
natima [27]4 years ago
8 0
A) The answer is 88
B)I don't know how to do it
3)I don't know 
Sorry I tried


fredd [130]4 years ago
4 0
A) 88 is correct
B) I think we are looking for variance which would be 43.6666- other wise I don't really understand what they are asking for.
C) I think this is sum of differences which would be 262.

I don't know if this is what they are asking for however. so I'm not 100% sure if this is correct, sorry.
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Examine the system of equations. −5x + 5y = 40 4x + 3y = 24 What is the solution? (, )
9966 [12]

Answer:

0 and 8

Step-by-step explanation:

for some reason i got a warning giving you the answer so here it is, i got the evidence from a calculator.

8 0
4 years ago
12. Volume of a cube is 648V3 cm³. Find its total surface<br>area.​
AleksAgata [21]

Answer:

area= 449.2984 cm^2   if I understand correctly that the volume is 648 cm^3

Step-by-step explanation:

side length=the cube root of 648

side length=8.6535 cm

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7 0
3 years ago
C/3 = 30/5 apply the order of operations and show work
Arlecino [84]

Answer:

c = 18

Step-by-step explanation:

Given

\frac{c}{3} = \frac{30}{5} = 6

Multiply both sides by 3

c = 3 × 6 = 18

3 0
3 years ago
Plz help me i cant figure this out and explain the steps pls
dem82 [27]
Okay so first let’s set one of the two equations equation to one of the two variables

I’m going to pick the second equation and y

So

x+y=10
y=10-x

Now let’s bring the other equation in and substitute y for 10-x

2x+3y=45
2x+3(10-x)=45

Now solve for x

2x+3(10-x)=45
2x+30-3x=45
-x+30=45
-x=15
x=-15

Okay so now we have x = -15 now let’s find y by using the original equation I moved around and pigging in y like

y=10-x

Plug in x

y=10-(-15)
y=10+15
y=25

So now that I look back at the program you only needed x but her is x and y I hope I helped
5 0
3 years ago
Find the area of each circle. Use 3.14 for pi. 22m
PilotLPTM [1.2K]

Step-by-step explanation:

area =  {\pi}r^{2}

A= 3.14 × 22^2

A = 1519.78 m^2

5 0
3 years ago
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