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Andrej [43]
3 years ago
8

Here we go Again MATH HELP ME PLEASE please

Mathematics
2 answers:
ollegr [7]3 years ago
4 0
VX=6

thisssssssssssssssssss
Sloan [31]3 years ago
3 0

Answer:

<u>VX=6</u>

Step-by-step explanation:

\frac{20}{15}  =  \frac{8}{vx}

\frac{4}{3}  =  \frac{8}{vx}

4vx = 8(3)

vx =  \frac{8}{4} (3)

answer

vx = 6

<em><u>hope it helps you...</u></em>

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Could any one help me with this? And with explanation and who ever answers first gets brainliest answer​
ioda

Answer:

gonna solve fore perimeter and area

P = 12 + 3 + 3 + 9 + 9 + 4 + 4 + 4 = 48cm

P = 48 cm

For area or A it is

A = (12*3) + (4*9) = 72 cm^2

Step-by-step explanation:

use deductive reasoning to determine the missing side lengths, and then solve by splitting the figuring into multiple rectangles

5 0
2 years ago
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g In a one-tail hypothesis test where you reject H0 only in the lower tail, what is the p-value if Z STAT
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Answer:

The P-value is 0.0166.

Step-by-step explanation:

<u>The complete question is:</u> In a​ one-tail hypothesis test where you reject H0 only in the lower ​tail, what is the p-value  if ZSTAT = -2.13.

We are given that the z-statistics value is -2.13 and we have to find the p-value.

Now, the p-value of the test statistics is given by the following condition;

                    P-value = P(Z < -2.13) = 1 - P(Z \leq 2.13)

                                  = 1 - 0.9834 = <u>0.0166</u>

Assuming that the level of significance is 0.10 or 10%.

The decision rule for rejecting the null hypothesis based on p-value is given by;

  • If the P-value of the test statistics is less than the level of significance, then we have sufficient evidence to reject the null hypothesis.
  • If the P-value of the test statistics is more than the level of significance, then we have insufficient evidence to reject the null hypothesis.

Here, the P-value is more than the level of significance as 0.0166 > 0.10, so we have insufficient evidence to reject the null hypothesis, so we fail to reject the null hypothesis.

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3 years ago
The probability of event A is x, and the probability of event B is y. If the two events are independent, which of these conditio
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If two events are independent, then

Pr(A\cap B)=Pr(A)\cdot Pr(B).

Use formulas for conditional probabilities:

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For independent events these formulas will be:

Pr(A|B)=\dfrac{Pr(A\cap B)}{Pr(B)}=\dfrac{Pr(A)\cdot Pr(B)}{Pr(B)}=Pr(A),\\ \\ Pr(B|A)=\dfrac{Pr(A\cap B)}{Pr(A)}=\dfrac{Pr(A)\cdot Pr(B)}{Pr(A)}=Pr(B).

Now in your case Pr(A)=x,\ Pr(B)=y and Pr(A|B)=x,\ Pr(B|A)=y, Pr(A\cap B)=x\cdot y.

This shows that the only correct choice is A.

5 0
3 years ago
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3 years ago
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I’m confused what are u trying to am skmdi
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