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ratelena [41]
3 years ago
14

15 to 18 = What are 3 equivalent ratios for 15 to 18

Mathematics
1 answer:
Ymorist [56]3 years ago
3 0

Answer:

5 to 6 or 30  to 36

Step-by-step explanation:

15/3=5, 18/3=6, 15*2=30,18*2=36

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30 + (1/6)^-2 - (-52) What is the value?<br> Is 62 correct?
slava [35]

Answer:

No, the value is 118

Step-by-step explanation:

30+( 1/ 6 )^−2−(−52)

= 30+36−(−52)

= 66−(−52)

= 118

7 0
2 years ago
The commercial for the new Meat Man Barbecue claims that it takes 10 minutes for assembly. A consumer advocate thinks that the c
Andrews [41]

Answer:

There is enough evidence to make the conclusion that the population mean amount of time to assemble the Meat Man barbecue is not equal to 10 minutes (P-value=0.009).

Step-by-step explanation:

We have to perform an hypothesis test on the mean.

The null and alternative hypothesis are:

H_0: \mu=10\\\\H_1: \mu \neq 10

The significance level is \alpha=0.05.

The test statistic t can be calculated as:

t=\frac{M-\mu}{s/\sqrt{N} } =\frac{11.2-10}{3.1/\sqrt{50} }=2.737

The degrees of freedom are:

df=N-1=50-1=49

The P-value (two-tailed test) for t=2.737 and df=49 is P=0.00862.

This P-value (0.009) is smaller than the significance level, so the effect is significant. The null hypothesis is rejected.

There is enough evidence to make the conclusion that the population mean amount of time to assemble the Meat Man barbecue is not equal to 10 minutes.

7 0
3 years ago
What is 78.32+6.784?
IceJOKER [234]

Answer: 85.104

Step-by-step explanation: Adding decimals is something you will use a lot. Take the time to learn it now. So when you are adding decimals there are some important things to keep in mind. 1. Line the decimals up. Let me explain. Lets do a example. Lets say its 14.5+ 15.74. The first thing you would need to do is line them up like this-->

14.5

15.74

+____

After you do that, Do you see a black space next to the 14.5? When adding decimals this is a big nono. So what you can do is add a 0. Adding a zero is only applicable when you have one number that has 1 more number(its my best way to explain it).( so like you would add a zero if your equation was like 23.5 +18.99. but you wouldn't do it if it was 17.5+19.4).  Example equation should look like this:

 14.5 0<---- add the zero!

 15.74

+____

Step 2. Put the decimal down to where it lines up. Like this:

 14.5 0

 15.74

+____

     .<------ make sure it lines up!

Step 3. Add regularly. Just ignore the decimal in the equation and just add. The answer would be 30.24. If you don't know how to add, I don't think your old enough for a brainly account:)

Step 4. Remove the zero. Zero as a number means nothing. So its ok in math to add a zero at the end of a decimal. So 4.0 is the same as 4 or 4.0000000000000. So when you have another problem, and your answer is something like 95.320, you can just remove the zero. So it would be 95.32:)

Hope I Helped! (this took me a long time to type out)

:)

7 0
3 years ago
Read 2 more answers
He sum of two numbers, x and y, is 12. the difference of x and two times y is 6. what are the values of x and y? x = 8, y = 4 x
Sveta_85 [38]
The last choice is correct
8 0
2 years ago
What is 3/4 gallon in quarts?
Basile [38]

Answer:

3 quarts = 3/4 gallon

Step-by-step explanation:


5 0
2 years ago
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