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scoray [572]
4 years ago
9

What is 60 x 473 I'm so confused pls help :(

Mathematics
1 answer:
Anestetic [448]4 years ago
8 0

Answer:

28,389

Step-by-step explanation:


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anything raised to the power of 0 is 1

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Which values represent the first two terms of the sequence a1=2 and an=-2(an-1)^2?
Mars2501 [29]
Hello,

a_{1}=2
a_{n+1}=-2*a_{n}^2

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a_{2}=-2*2^{2}=-8
a_{3}=-2*(-8)^{2}=-2*64=-128


Answer C






3 0
3 years ago
Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors
tino4ka555 [31]

Answer:

\chi^2 = \frac{(83-90)^2}{90} +\frac{(68-72)^2}{72}+\frac{(85-78)^2}{78}+\frac{(64-60)^2}{60} = 1.66

And the answer would be:

c. 1.66

Step-by-step explanation:

We need to conduct a chi square test

The statistic to check the hypothesis is given by:

\sum_{i=1}^n \frac{(O_i -E_i)^2}{E_i}

the observed values for this case are:

Freshemen=83

Sophomores=68

Juniors = 85

Seniors= 64

The expected values for this case are:

Fres_E =0.3*300= 90

Sop_E =0.24*300= 72

Jun_E = 0.26*300 =78

Sen_E = 0.20*300= 60

Then the statistic would be given by:

\chi^2 = \frac{(83-90)^2}{90} +\frac{(68-72)^2}{72}+\frac{(85-78)^2}{78}+\frac{(64-60)^2}{60} = 1.66

And the answer would be:

c. 1.66

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4 years ago
Zach family brings a large sandwich they cut into 8 equal parts 4 people each take 1 piece of the sandwich write a fraction to s
Marrrta [24]
1/2 of the large sandwich was not eaten.


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4 years ago
What do waterfalls have to do with force and motion
elena-14-01-66 [18.8K]

Answer: they must fall to it's lowest point due to them having a lot of open spaces and if they are at a high area the must fall due much more water falling within the water fall and water must fall to it's lowest point.

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3 years ago
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