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olya-2409 [2.1K]
3 years ago
5

Who painted the larger fraction of their ceiling?

Mathematics
1 answer:
olga_2 [115]3 years ago
7 0
Well the person who painted 1/2 did. 
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Please help: Triangle ABC is similar to triangle PQR where
andre [41]
Explanation:




AB=7
AC=9
You are looking for R


7+9=16


So R is 16
6 0
3 years ago
Using identity evaluate: (104)²​
SOVA2 [1]

Answer:

104×104=10816

Step-by-step explanation:

104²=104×104

=10816

8 0
2 years ago
1 + 1 ? please help me
user100 [1]

Answer:

1+1=2 so the answer is 2

5 0
3 years ago
Please help me on this one.
EleoNora [17]
3(j+4)-9=9
3j + 12 -9 =9
3j +3 =9
3j =6
j=2
7 0
3 years ago
Read 2 more answers
Identify the correct conclusion. Do not reject the null hypothesis. Report that there insufficient evidence to conclude that tre
mr_godi [17]

The question is incomplete. The complete question is :

Tests for adverse reactions to a new drug yielded the results given in the table. Drug Placebo headaches No headaches 11 7 91 73 The data will be analyzed to determine if there is sufficient evidence to conclude that an association exists between the treatment (drug or placebo) and the reaction (whether or not headaches were experienced. The results of the test are X2 = 1.798 P-value = .1799. Identify the correct conclusion. O Do not reject the null hypothesis. Report that there insufficient evidence to conclude that treatment and reaction are dependent. O Fail to reject the null hypothesis. Report that there insufficient evidence to conclude that the distribution of headaches is uniform for the drug and placebo. O Reject the null hypothesis. Report that there is sufficient evidence to conclude that treatment and reaction are dependent. O Reject the null hypothesis. Report that there is insufficient evidence to conclude that treatment and reaction are dependent.

Solution :

Given :

                             Drugs               Placebo

Headaches             11                         7

No headaches       73                       91

The results of the test are :

$X^2=1.798$

The P value is given as = 0.1799

The hypothesis test given for dependent or association between the two variables.

$H_0$ : There is no association between the treatment and the reaction

$H_1$ : There is association between the treatment and the reaction.

If the P value is greater than the alpha value, i.e. when

P value > α (0.05), then we reject the $H_0$.

Therefore, Do not $\text{reject the null hypothesis}$. Report that $\text{there insufficient}$ evidence to conclude that $\text{treatment}$ as well as $\text{reaction are dependent}$.

7 0
3 years ago
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