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Andre45 [30]
3 years ago
7

Help meee please the one i clicked on was by accident thanks

Mathematics
1 answer:
V125BC [204]3 years ago
4 0
B because half the time the answers is B
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Will make brainliest what is 2,837 to the nearest 10????????????????????????
maria [59]

Answer:

2,840

Step-by-step explanation:

since the three is in the tens place and 7 in single <em>if 5 and up round up fi 4 and below leave it alone you</em> will then take the 3 and round up to give you 2,840

4 0
3 years ago
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Pls help me with this math problem. WILL MARK BRAINLIEST!!!
BartSMP [9]

Answer:

50

Step-by-step explanation:

3 0
3 years ago
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Female athletes at the University of Colorado, Boulder, have a long-term graduation rate of 67% (Source: Chronicle of Higher Edu
VLD [36.1K]

Answer:

Yes, we can assume that the percent of female athletes graduating from the University of Colorado is less than 67%.

Step-by-step explanation:

We need to find p-value first:

z statistic = (p⁻ - p0) / √[p0 x (1 - p0) / n]

p⁻ = X / n = 21 / 38 = 0.5526316

the alternate hypothesis states that p-value must be under the normal curve, i.e. the percent of female athletes graduating remains at 67% 

H1: p < 0.67 

z = (0.5526316 - 0.67) / √[0.67 x (1 - 0.67) / 38] = -0.1173684 / 0.076278575

z = -1.538681 

using a p-value calculator for  z = -1.538681, confidence level of 5%

p-value = .062024, not significant

Since p-value is not significant, we must reject the alternate hypothesis and retain the null hypothesis.

3 0
3 years ago
Free points everyone<br><br>45 + 45 + 90​
klasskru [66]
<h2>Answer:</h2>

<u><em>Thank you for the free points!</em></u>

<u><em>45 + 45 = 90</em></u>

<u><em>45 + 45 + 90 = 180</em></u>

<h2>Step-by-step explanation:</h2>

<em>Have a good one!</em>

<h2>☜(ˆ▿ˆc)</h2>
8 0
3 years ago
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Andrew has a round trampoline with a diameter of 4 yards. What is the circumference of the trampoline?
OLga [1]

You would use this formula for the problem...

(C=2πr) The circumference equals 2 multiplied by pi and radius.

In this problem it says diameter, but the diameter is just twice the length of the radius, so just multiply the radius by 2. Plugin your number.

C=2π(2) since 2 is half of 4, that's your radius.

Your answer is roughly C= 12.57.

You're welcome.

8 0
3 years ago
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