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kiruha [24]
3 years ago
10

A pack of six cans of coffee cost $12. How much would 15 cans of

Mathematics
1 answer:
damaskus [11]3 years ago
5 0

Answer:

$30

Step-by-step explanation:

$12/6=$2/can

$2/can x 15 cans=$30

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Select the letter for the correct answer<br> ,
adell [148]

Answer:

a) 2

Step-by-step explanation:

 4:8 and 6:12

4/8 and 6/12

we flip them since we want to find the conversino

8/4 and 12/6

simpilify

2 and 2

scale factor was 2

hope this helps, lmk if it is correct

7 0
3 years ago
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AaaHHHHH I NEED MORE HELP!!
nalin [4]

Answer:

90 -63=27 so the answer is 27 because complementary angles add to 90

4 0
3 years ago
Write the equation of the line fully simplified slope-intercept form.​
FinnZ [79.3K]

Answer:

y=-4/10x+ 5 or y=-0.4x+5

Step-by-step explanation:

The formula for slope is y=mx+b. The "m" is the slope, the "x" is constant, and "b" is your y-intercept.

1. Figure out your slope:

Easiest way to do this is by using rise/run. You. take your point to the left and count how many spaces up or down it is from the second point, and then repeat that across the x-axis.

2. Determine whether it is positive or negative

A line with a positive slope is going to be angled upward and a line with a negative slope will be angled downward

3. Find the y-intercept

Simply look at the graph and find where the line crosses the y-axis

4. Plug everything into the equation

Once you do Steps 1-3, just plug everything in and you're done! If you have any questions, feel free to ask!

7 0
3 years ago
Which point is on the line, y=4x+2?
frosja888 [35]
I did the math and (6,26) is the correct answer.
3 0
3 years ago
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
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