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Wewaii [24]
3 years ago
11

PLEASE HELP ME ASAP!

Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0
Degree: 2 | It is 2 because degree just means the number it is raised to. 2³'s degree is 3.

Name using degree: Quadratic | Quadratics all have their first terms raised to a power of 2.

Number of terms: One | Only one term, that is p.

Name using terms: Monomial | Monomial means one.
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Which set of angle measures CANNOT be the angle measures of a triangle? *
Lera25 [3.4K]

Answer:

A

Step-by-step explanation:

All triangles have 180 degrees, these set of measures do not add up to 180°. They add up to 181°, so it is the answer.

6 0
3 years ago
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Consider the following hypothesis test: H0: LaTeX: \mu_1-\mu_2=0μ 1 − μ 2 = 0 Ha: LaTeX: \mu_1-\mu_2\ne0μ 1 − μ 2 ≠ 0 The follow
Pavel [41]

Answer:

z=\frac{104-\bar 106}{\sqrt{\frac{8.4^2}{80}+\frac{7.6^2}{70}}}}=-1.53

Step-by-step explanation:

Data given and notation

\bar X_{1}=104 represent the mean for the sample 1

\bar X_{2}=106 represent the mean for the sample 2

\sigma_{1} =8.4 represent the population standard deviation for the sample 1

\sigma_{2}=7.6 represent the population standard deviation for the sample 2

n_{1}=80 sample size for the group 1

n_{2}=70 sample size for the group 2

z would represent the statistic (variable of interest)

Concepts and formulas to use

We need to conduct a hypothesis in order to check if the means for the two groups are the same, the system of hypothesis would be:

H0:\mu_{1}-\mu_{2} =0

H1:\mu_{1} -\mu_{2} \neq 0

If we analyze the size for the samples both are greater than 30 and we know the population deviations so for this case is better apply a z test to compare means, and the statistic is given by:

z=\frac{\bar X_{1}-\bar X_{2}}{\sqrt{\frac{\sigma^2_{1}}{n_{1}}+\frac{\sigma^2_{2}}{n_{2}}}} (1)

z-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

First we need to calculate the mean and deviation for each sample, after apply the formulas (2) and (3) we got the following results:

And with this we can replace in formula (1) like this:

z=\frac{104-\bar 106}{\sqrt{\frac{8.4^2}{80}+\frac{7.6^2}{70}}}}=-1.53

7 0
3 years ago
HELP GEOMTRY TEST !!!
Inessa05 [86]

Answer:

B

Step-by-step explanation

I think

5 0
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Maru [420]

Answer:

3x(x-1)-5(x-1)

=3x²-3x-5x+5 (we can count it one by one)

=3x²-8x+5 (we can calculate the same variable)

#i'm from indonesia

hope it helps.

6 0
3 years ago
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Travka [436]
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8 0
3 years ago
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