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sertanlavr [38]
2 years ago
6

I need help somebody please​

Mathematics
1 answer:
user100 [1]2 years ago
4 0

Answer 24a + 6

Step-by-step explanation:

8 + 18a -2 + 6a

18a + 6a = 24a

8 - 2 = 6

24a + 6

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Dae-Hyun drew a picture of a cruise ship that he saw docked at Port Canaveral. He used the scale shown below.
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Answer: 592

Step-by-step explanation:

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2 years ago
In ΔHIJ, the measure of ∠J=90°, JH = 81 feet, and HI = 91 feet. Find the measure of ∠I to the nearest degree.
kakasveta [241]

Answer:

63°

Step-by-step explanation:

  • Sin0=\frac{81}{91}
  • x=sin^{-1}(81/91)\\\\
  • = 62.887
  • ≈ 63°

༻﹡﹡﹡﹡﹡﹡﹡༺

hope it helps...

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8 0
3 years ago
What is the slope help pls?
almond37 [142]

Answer:

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Step-by-step explanation:

7 0
2 years ago
I need help with this one please..​
KiRa [710]

I think it's 60 I'm NOT sure. I just multiplied those three numbers

4 0
3 years ago
A professor believes the students in a statistics class this term are more creative than most other students attending the unive
djverab [1.8K]

Answer:

Correct option: B

Step-by-step explanation:

The professor can perform a One-mean <em>t</em>-test to determine whether the average score of the students in his class is more than the average score of all the students attending university.

A <em>t</em>-test will be used instead of the <em>z</em>-test because the population standard deviation is not provided instead it is estimated by the sample standard deviation.

The hypothesis for this test can be defined as follows:

<em>H₀</em>: The average score of the students in his class is not more then the entire university, i.e. <em>μ ≤ 35</em>.

<em>Hₐ</em>: The average score of the students in his class is more then the entire university, i.e. <em>μ > 35</em>.

Given:

\bar x=40\\SE_{\bar x}=1.63

The test statistic is:

t=\frac{\bar x-\mu}{SE_{\bar x}}=\frac{40-35}{1.63}=3.0674\approx3.07

Thus, the correct option is (B).

4 0
3 years ago
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