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irina [24]
3 years ago
8

Hi! This is a fairly simple question for some of you, but I wanted to ask, how do you solve this? Thank you so much! :)

Mathematics
1 answer:
givi [52]3 years ago
5 0
Hey I got to it c c c c c c c c c c c c c c c c 8 8
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The fifth-grade teachers at Washington High School are decorating bulletin boards to get
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The teacher will use 3 rolls only to have perfect measurements.

1 yard = 3 feet

4 large bulletin boards are there each needing 9 yards of border.
That means 4 large bulletin boards in total need

9×4 yards of border

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= 108 feet of border

Also, there is a small bulletin board that only needs 12 feet border

Hence, in total there is a need for

108 + 12 = 120 feet border.

The border is sold in 40-foot rolls.
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i.e. 3 rolls

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brainly.com/question/15658113

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2 years ago
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3 years ago
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Listed below are time intervals​ (min) between eruptions of a geyser. Assume that the​ "recent" times are within the past few​ y
Shalnov [3]

Answer:

p value = 0.039

t = - 2.169

Step-by-step explanation:

Applying the null and alternate hypothesis

H_{0} : U1 = U2

H_{\alpha } : U1 \neq U2

using excel worksheet to calculate for ( t and p )

t = -2.169

p = 0.039

from the results obtained

The conclusion is affected by the significance level because : 0.1 < p > 0.01

so when the significance level  is = 0.1 the Null hypothesis is rejected and we can say the mean time interval will change  while

if the significance level = 0.01 the Null hypothesis is accepted and we can not say the mean time interval has changed because the p -value is greater than 0.01

attached is the excel solution

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How fast is the minivan traveling in miles per minute
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The van is traveling about 55.9 miles per hour.
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