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mote1985 [20]
2 years ago
9

Whats is the value of x in 9/5x = 2/3

Mathematics
1 answer:
Gre4nikov [31]2 years ago
8 0

Answer:

The value of x is 0.37037 repeating

Step-by-step explanation: 9/5x=1.8 2/3=0.67 repeating then you do .67 divided by 1.8 and that gives you 0.37037 repeating.

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A test of H0: p = 0.5 versus Ha: p > 0.5 has the test statistic z = 1.15. Part A: What conclusion can you draw at the 5% sign
Nadya [2.5K]

Answer:

Part A: The null hypothesis failed to be rejected.

Part B: The null hypothesis failed to be rejected.

Step-by-step explanation:

We have an hypothesis test with null and alternative hypothesis H0: p = 0.5 versus Ha: p > 0.5, which has the test statistic z=1.15.

Part A: If the significance level is 0.05, the conclusion depends on the P-value.

If the P-value is below 5%, the null hypothesis is rejected.

The P-value for this right-tailed tes and z=1.15 is:

P-value=P(z>1.15)=0.125

The P-value is bigger than the significance level, so the effect is not significant and the null hypothesis is failed to be rejected.

Part B: In this case, the significance level is 0.01 and, as the alternative hypothesis is defined with an unequal sign, the test is two-tailed.

This changes the way we calculate the P-value, as we need to compute the two tails.

The P-value is:

P-value=2P(z>1.15)=0.25

The P-value is bigger than the significance level, so the effect is not significant and the null hypothesis is failed to be rejected.

5 0
3 years ago
Andrew calculates that 40 % 40% of 50 % 50% of x x is equal to 20 % 20% of 30 % 30% of y y, where x ≠ 0 x≠0. Which of the follow
Shtirlitz [24]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Evaluate the following expression when x = 6 and y = 2:
Liula [17]

Answer:

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Step-by-step explanation:

\frac{ {x}^{2} +  {y}^{3}  }{2 + x}  \\

when,

x = 6 \\ y = 2

Now substitute the value we get,

\frac{ {6}^{2}  +  {2}^{3} }{2 + 6} \\  \\  =  \frac{36 + 8}{8}   \\  \\  =  \frac{44}{8} \\  \\  =  \frac{11}{2}

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The answer is 120 degrees
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. Jorge has a recipe that calls for 2 1/3 cups of flour. He plans to make 1 1/2 times the recipe.Will the amount of flour Jorge n
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So you multiply 2 1/3times 1 1/2 and you get 3 and 1/6
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3 years ago
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