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icang [17]
3 years ago
11

Simplify: (2.1 x 10 3) x (2 x 102)

Mathematics
2 answers:
notka56 [123]3 years ago
4 0

Answer:

25/45

Step-by-step explanation:

Keith_Richards [23]3 years ago
3 0

Answer:

Step-by-step explanation:

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Answer: 8.2 ,bro

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Which expression is equivalent to x 2 - 17x - 60?
creativ13 [48]

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(x-20)(x+3)

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Is this answer right?? If not what’s the real answer? I’m trying to practice for my STAAR.
Ierofanga [76]

35

Area of rectangle

21m^2

Area of one triangle

divide length of 7 by 2 (3.5)

gives you length b (unknown side that is not hypotenuse)

then multiply by width of triangle (4)

3.5 * 4 = 14

and in this situation there is no need to divide by two, because you essentially have one full square from both the triangles. this only works when both triangles are the same.

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8 0
2 years ago
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Alex787 [66]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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When the outliers are removed, how does the mean change? (2 points) dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1
777dan777 [17]

Answer:

Answer: The mean increases by 3

Step-by-step explanation:

The original data set is 

{50, 76, 78, 79, 79, 80, 81, 82, 82, 83}

The outlier is 50 because it is not near the group of values from 76 to 83 which is where the main cluster is.

The original mean is M = (50+76+78+79+79+80+81+82+82+83)/10 = 77

If we take out the outlier 50, the new mean is N = (76+78+79+79+80+81+82+82+83)/9 = 80

So in summary so far

old mean = M = 77

new mean = N = 80

The difference in values is N-M = 80-77 = 3

So that's why the mean increases by 3

8 0
3 years ago
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