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inessss [21]
3 years ago
11

Which of the following is the correct graph of the compound inequality 4p + 1 <-11 or 6p +3 > 39?

Mathematics
1 answer:
____ [38]3 years ago
4 0
I think that will be the answer and the graph i take it for leter

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Researchers would like to test if the mean bone mineral density is different for the three different groups. Conduct an ANOVA te
laiz [17]

Answer:

<em>H</em>₀: <em>μ₁ = μ₂= μ₃</em>

<em>Hₐ: </em>At least one of the means is different.

Step-by-step explanation:

Analysis of variance or ANOVA test is used to determine whether the means of different groups are similar or not.

The hypothesis of an ANOVA test for <em>n</em> homogeneous groups is:

H_{0}: \mu_{1}= \mu_{2}= \mu_{3}...= \mu_{n}\\H_{a}: At\ least\ one\ of\ the\ means\ is\ different

In this case the researcher is testing whether the mean bone mineral density is different for the three different groups.

The hypothesis for this test can be defined as follows:

<em>H</em>₀: The mean bone mineral density is not different for the three different groups, i.e. <em>μ₁ = μ₂= μ₃</em>

<em>Hₐ: </em>The mean bone mineral density is different for the three different groups, i.e. at least one of the means is different.

3 0
3 years ago
= 28.16
frosja888 [35]

Answer:

20 m

Step-by-step explanation:

4(3+2) = 20

8 0
3 years ago
What is the product of a number and its multiplicative inverse?<br> 2<br> 0<br> 10<br> 1
anygoal [31]

Answer:

1

Step-by-step explanation:

Example: 2×1/2=1

.....

8 0
2 years ago
Read 2 more answers
Need help l don’t understand
Diano4ka-milaya [45]

Step-by-step explanation:

open brackets and work out

6 0
2 years ago
Read 2 more answers
The photo is attached
aleksley [76]

D

using the double - angle identity

cos (2A) = cos² A - sin² A = 2cos² A - 1 = 1 - 2sin² A

the right side = 1 - 2sin² (112.5° ) with A = 22.5°

hence 2A = 2 × 22.5° = 45°

thus cos 45° = 1 - 2sin² ( 22.5°)


7 0
3 years ago
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