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Anna11 [10]
2 years ago
7

If y is 6 when x is 3 and y varies directly with x, find y when x is 8. 04 16 11

Mathematics
1 answer:
Zarrin [17]2 years ago
4 0

Answer

y = kx

from the info given k=2

hence when x=8 y=16:

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Can anyone help me with this problem
Rama09 [41]

9514 1404 393

Answer:

  8. A = {Delaware, New Jersey, Pennsylvania}

  9. |B| = 3

Step-by-step explanation:

8. Dates prior to 1 Jan 1788 are those in 1787. The three states admitted in 1787 are listed as Delaware, Pennsylvania, New Jersey. It is usually convenient to list elements of a set in lexicographical order:

  A = {Delaware, New Jersey, Pennsylvania}

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9. The months June and July appear 3 separate times on the list, so there would be 3 elements in the set B.

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3 0
3 years ago
Can someone help <br> (THERE SHOULD BE A FILE)
Lesechka [4]
6)
2(9+10) = 38
2(5+6) = 22

P = 38+22=60 in

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4 0
3 years ago
Read 2 more answers
Home Videos Inc. surveys 450 households and finds that the mean amount spent for renting or buying videos is P135 a month and th
adell [148]

SOLUTION:

Case: Hypothesis testing

Step 1: Null and Alternative hypotheses

\begin{gathered} H_0:\mu=P127.50 \\ H_1:\mu\leq P127.50 \end{gathered}

Step 2: T-test analysis

\begin{gathered} t=\frac{\hat{x}-\mu}{\frac{s}{\sqrt{n}}} \\ t=\frac{135-127.5}{\frac{75.25}{\sqrt{450}}} \\ t=2.144 \end{gathered}

Step 3: t-test with the significance level

\begin{gathered} t_{\alpha}=? \\ \alpha=0.05 \\ From\text{ }tables \\ t_{0.05}=1.654 \end{gathered}

Step 4: Comparing

t>t_{\alpha}

So tail to reject the null hypothesis. There is enough evidence at a 0.05 level of significance to claim that the mean spent is greater than P127.50.

Final answer:

Yes, there is evidence sufficient to conclude that the mean amount spent is greater than P127.50 per month at a 0.05 level of significance.

6 0
1 year ago
£38.40 divided by 16
Nikitich [7]
It is 2.4 because 16 goes twice and the remainder is 4
4 0
3 years ago
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The lengths of the sides of a triangle are represented by 15 cm and 20 cm what could the third side be?
natta225 [31]

the answer is D. 35 cm not everyone has the same answer !

7 0
3 years ago
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