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alexira [117]
4 years ago
13

If BE−→− bisects ∠ABD and m∠EBD = 32°, find m∠ABD.

Mathematics
2 answers:
Eva8 [605]4 years ago
8 0

Check the picture below.

zvonat [6]4 years ago
4 0

Answer:

m\angle ABD=64^{\circ}

Step-by-step explanation:

We have been given that segment BE bisects \angle ABD and m\angle EBD=32^{\circ}. We are asked to find the measure of angle ABD.

Since BE is angle bisector of angle ABD, so measure of angle EBD will be equal to measure of angle ABE.

The measure of angle ABD will be 2 times the measure of angle EBD.

m\angle ABD=2\times m\angle EBD

m\angle ABD=2\times 32^{\circ}

m\angle ABD=64^{\circ}

Therefore, the measure of angle ABD is 64 degrees.

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4 years ago
Researchers randomly divided 500 volunteers into two equal-sized groups. One group spent 6 months on the Paleo diet. A control g
gtnhenbr [62]

Answer:

p_v =P(t_{(498)}>1.356)=0.088

And we can use the following excel code to find it: "=1-T.DIST(1.356,498,TRUE)"

Step-by-step explanation:

Data given and notation

\bar X_{P}=7 represent the mean for the sample Paleo

\bar X_{C}=5 represent the mean for the sample Control

s_{P}=20 represent the sample standard deviation for the sample Paleo

s_{C}=12 represent the sample standard deviation for the sample Control

n_{P}=250 sample size selected Paleo

n_{C}=250 sample size selected Control

\alpha represent the significance level for the hypothesis test.

t would represent the statistic (variable of interest)

p_v represent the p value for the test (variable of interest)

State the null and alternative hypotheses.

We need to conduct a hypothesis in order to check if the Paleo diet provides more weight control than the control treatment, the system of hypothesis would be:

Null hypothesis:\mu_{P}-\mu_{C}\leq 0

Alternative hypothesis:\mu_{P}-\mu_{C}>0

We don't know the population deviations, so for this case is better apply a t test to compare means, and the statistic is given by:

t=\frac{(\bar X_{P}-\bar X_{C})-12}{\sqrt{\frac{s^2_{P}}{n_{P}}+\frac{s^2_{C}}{n_{C}}}} (1)

t-test: "Is used to compare group means. Is one of the most common tests and is used to determine whether the means of two groups are equal to each other".

Calculate the statistic

We can replace in formula (1) the info given like this:

t=\frac{(7-5)-0}{\sqrt{\frac{20^2}{250}+\frac{12^2}{250}}}}=1.356  

P-value

The first step is calculate the degrees of freedom, on this case:

df=n_{P}+n_{C}-2=250+250-2=498

Since is a one side right test the p value would be:

p_v =P(t_{(498)}>1.356)=0.088

And we can use the following excel code to find it: "=1-T.DIST(1.356,498,TRUE)"

8 0
3 years ago
Can someone please answer this question?
MrMuchimi

Answer:

y = x - 3

Step-by-step explanation:

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3 years ago
Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly ov
MissTica
The answer would be 5/6 hopes this helps 
3 0
4 years ago
Read 2 more answers
Plot the solution set of |-x|=3.5
lutik1710 [3]

It is 3.5, because anything inside an absolute is always positive.

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3 years ago
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