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lukranit [14]
3 years ago
10

Find the common difference of the arithmetic sequence –9, -7, -5, ...

Mathematics
1 answer:
MrMuchimi3 years ago
3 0
It’s add positive 2 every time I believe

if I’m wrong I’m so sorry and please tell me I’m wrong for other that have to use this.
If I’m right ya!! XD
Hope this helps you!
-Pam Pam
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Didn’t mean to post this
guajiro [1.7K]

Answer:

lol that just means free points for me. ;)

5 0
2 years ago
2 3/4 + 1 1/7= ?<br><br> What is this? I don’t get it, can somebody help me hurry! It’s due soon
Gemiola [76]

Step-by-step explanation:

first tiu need to find a common denominator. that's would 21. I hope you know what to do lol. then you make them improper fractions. SONT FORGET TO SIMPLIFY.

6 0
2 years ago
Read 2 more answers
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love history [14]

Answer:

<u>36 in²</u>

Step-by-step explanation:

<u>Area of the figure</u>

  • Area (small rectangle) left + Area (big rectangle) right
  • 3 x (6 - 4) + 5 x 6
  • 3 x 2 + 30
  • 6 + 30
  • <u>36 in²</u>

3 0
2 years ago
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A newly hired basketball coach promised a high-paced attack that will put more points on the board than the team’s previously te
puteri [66]

Answer:

a. z = 2.00

Step-by-step explanation:

Hello!

The study variable is "Points per game of a high school team"

The hypothesis is that the average score per game is greater than before, so the parameter to test is the population mean (μ)

The hypothesis is:

H₀: μ ≤ 99

H₁: μ > 99

α: 0.01

There is no information about the variable distribution, I'll apply the Central Limit Theorem and approximate the sample mean (X[bar]) to normal since whether you use a Z or t-test, you need your variable to be at least approximately normal. Considering the sample size (n=36) I'd rather use a Z-test than a t-test.

The statistic value under the null hypothesis is:

Z= X[bar] - μ  = 101 - 99 = 2

σ/√n 6/√36

I don't have σ, but since this is an approximation I can use the value of S instead.

I hope it helps!

7 0
3 years ago
Write a unit rate for 53 pages in 2 hours
gulaghasi [49]

Answer: 26.5 pages/hr

Step-by-step explanation:

53 pgs/2 hours = 26.5 pages/hr

5 0
2 years ago
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