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Basile [38]
3 years ago
14

At sunrise, the outside temperature was 1 below zero. By lunch time, the temperature rose by 17 and then fell by 4 by night. Wha

t was the temperature at the end of the day?
Mathematics
1 answer:
guapka [62]3 years ago
4 0
12 degrees by the end of the day.
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What is the value of x
defon

Answer:

x=39

Step-by-step explanation:

First I try to find the angle measurements for the rest of the angles inside the triangle. I saw that the 68 degrees and I notice that it was vertical angles, meaning that the inside is also 68. I then notice that the 107 and the other unknown angle besides x must be 180 when adding up, so I can do 180-107=73. Now I know that that angle is 73 degrees I can find x by solving this equation 180=73+68+x, which the answer comes out to be 39. so x=39.

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3 years ago
a study of the effects of exercis used rats bred to have high or low capacity for exercise. The 8 high capacity rats had mean bl
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Answer:

t=-2.86

Step-by-step explanation:

From the question we are told that:

Sample 1 n_1=8

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Generally the equation for the test of statistic is mathematically given by

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t=\frac{89-105}{\sqrt{\frac{81}{8}+\frac{169}{8} } }

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therefore the samples test for comparing the two population means

t=-2.86

3 0
3 years ago
What is greater -2 3/4 or -2.35
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(It is -2.35\)//ttfgfggg
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5+1x10 is the answer 60 or 15? there are no parenthesis***
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15 .
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4 years ago
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Convert.
Step2247 [10]
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