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pickupchik [31]
3 years ago
9

PLEASE MAKE SURE HELP ME!

Mathematics
1 answer:
bulgar [2K]3 years ago
7 0

Answer:

1. The first problem is wrong, it should be 0.5(3(15) + 2(20)) because the parentheses make sure that every purchased item is being divided by 2 (multiplying by 0.5 is the same as dividing by 2)

2. The second problem is partially correct. The first two answers you have checked are correct, but the last one is wrong. The third answer should be 6 + 12 instead because that's just a simplified version of 2(3) + 6(2), meaning they are equal

3. I cannot read your answers in the "Why or Why Not" column in the third problem, but the answers you gave in the "Evaluate" and "Does It Work?" columns are all correct.

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If a 1% level of significance is used to test a null hypothesis, there is a probability of __________ of rejecting the null hypo
USPshnik [31]

Answer:

If a 1% level of significance is used to test a null hypothesis, there is a probability of ____ less than 1%______ of rejecting the null hypothesis when it is true

Step-by-step explanation:

Given that a hypothesis testing is done.

Level of significance used is 1%

i.e. alpha = 1%

When we do hypothesis test, we find out test statistic Z or t suitable for the test and find p value

If p value is < 1% we reject null hypothesis otherwise we accept null hypothesis.

So p value can be atmost 1% only for accepting null hypothesis.

So the answer is 1%

If a 1% level of significance is used to test a null hypothesis, there is a probability of ____less than 1%______ of rejecting the null hypothesis when it is true.

7 0
3 years ago
Carrie needs to determine the number of tiles that will fit in each row along the back of the shower. If the back of the shower
SVEN [57.7K]
You need to add the dimensions
8 0
3 years ago
Angles that measure between 0 and 90 degrees are called_?
azamat

Answer:

Acute angles.

Step-by-step explanation:

Acute angles are from 0-90 degrees.

Hope this helps :)

7 0
3 years ago
Read 2 more answers
Which side of AXYZ is the longest?
Jlenok [28]

Answer:

B

Step-by-step explanation:

the longest side of a triangle is opposite the largest angle.

∠ Y = 180° - 60° - 43° = 180° - 103° = 77°

then ∠ Y is the largest angle in the triangle , so

side opposite ∠ Y is the longest , that is XZ

3 0
2 years ago
If y = 7x – 5, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
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The third set, (0, -5) (2,9) (-3,-26)
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