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attashe74 [19]
3 years ago
12

The current temperature in Smalltown is 20°F. This is 6 degrease less than twice the temperature that it was six hours ago. What

was the temperature in Smalltown six hours ago?
Mathematics
1 answer:
jeyben [28]3 years ago
7 0

Answer:

<em>The temperature six hours ago was 13 °F</em>

Step-by-step explanation:

Six hours ago the temperature was x degrees.

The temperature now is "6 degrees less than twice the temperature that it was six hours ago."

The temperature now is 2x - 6.

The temperature now is 20 deg.

2x - 6 = 20

2x = 26

x = 13

Answer: The temperature six hours ago was 13 °F.

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A study will be conducted to investigate whether there is a difference in the mean weights between two populations of raccoons.
enyata [817]

Answer:

<h2>In this case,the answer would be option d) given in the answer choices or options or  A two-sample t-test for a difference between population means.</h2>

Step-by-step explanation:

  • In Statistics,a two sample test is generally used to examine or compare two different population means with the main objective to verify whether the population means are equal or otherwise.
  • The two sample t-test basically involves the hypothesis testing to determine or verify the equality between two concerned population means.
  • In this case,the two different populations of raccoons are given and the equality of the mean sample weights of the two distinct populations can be determined or evaluated by employing the hypothesis testing method under a two sample t test for measuring difference in two population means.
5 0
3 years ago
7,676 rounded to the hundred
Tresset [83]
7,676 rounded to the nearest hundredth is: 7,700.

You are focusing on the 7676. If the 7 on the right of it has a number below five, then it would be 7600. On this hand, with it being more than 5, the correct answer is 7,700.
6 0
4 years ago
Read 2 more answers
Helppppp me please…….:/
Dmitry_Shevchenko [17]

Answer:

65.3%

Step-by-step explanation:

what we want: p(2)+p(3)+p(4)

P(2)={5\choose2}*.4^2*.6^3\\P(3)={5\choose3}*.4^3*.6^2\\P(4)={5\choose4}*.4^4*.6\\P(2)+P(3)+P(4)= .6528

which equal 65.28%

which rounds to

65.3%

6 0
3 years ago
One angle measures 170°, and another angle measures (6k + 44)°. If the angles are vertical angles, determine the value of k.
Makovka662 [10]

Answer:

21 = k

Step-by-step explanation:

Vertical angles are equal

170 = 6k+44

Subtract 44 from each side

170-44 = 6k+44-44

126 = 6k

Divide each side by 6

126/6 = 6k/6

21 = k

3 0
1 year ago
Help asap please!!!!
Alex73 [517]

Answer:

D. 84 square feet

Step-by-step explanation:

Hope this helps and have a nice day

5 0
2 years ago
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