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Licemer1 [7]
2 years ago
10

How many boxes of candy can you buy with 15 dollars if 1 box costs 3 dollars?

Mathematics
2 answers:
nevsk [136]2 years ago
5 0

Answer:

A: 5

Step-by-step explanation:

ech box cost 3 dollars and we have 15 dollars  

3 x 5 = 15 so we can get ( A:5 ) boxes of candy

svlad2 [7]2 years ago
3 0

Answer:

A. 5

Step-by-step explanation:

You have $15.

1 box = $3

3x _= 15

3x 5=15

So, 5 boxes of candy, you can buy for $15.

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ThE RADIUS of CIRCLE
Firlakuza [10]

Answer:

31.4

Step-by-step explanation:

Because you multiply the circumference by pi

6 0
2 years ago
In a study of 250 adults, the mean heart rate was 70 beats per minute. Assume the population of heart rates is known to be appro
klasskru [66]
This is a good question!

The steps are like follows:

Form the confidence level (99%), we calculate the "alpha" value
alpha=1-(99/100)=0.01

Now, calculate the critical probability (p-start)
p*=1-(alpha/2)=1-(0.01/2)=0.995

z-score could be calculated from p*,,,
z-score=<span>2.57583
(http://www.socscistatistics.com/tests/ztest/zscorecalculator.aspx)

Now, calculate the Margin of Error:
</span>standard<span> deviation = s
number of adults = n
</span><span>
ME=(z*s)/(sqrt n)=(</span><span>2.57583*12)/(sqrt 250) = 1.955

The confidence interval = mean +or- ME
                                      = 70+1.955</span>  or  70-1.955


So that we can conclude that <span>the 99% confidence interval for the mean beats per minute is 68.045 and 71.955

</span>

I hope you got the idea!

If you still need help, just let me know!





4 0
3 years ago
Please help me it’s due and i appreciate it
kakasveta [241]
16=16 zzzzzzzzzzzzzzz
3 0
3 years ago
Read 2 more answers
Good morning ppl hruu &lt;3
Dimas [21]
Gm, it’s almost night for me
6 0
2 years ago
1. Explain how you can use a strightedge and a compass to construct an angle that is both congruent and adjacent to a given angl
andrew11 [14]
1: if u use the same measures they will be congruent angles.
2: because the segment is being cut in half.
3: their has to be an intersection in the arcs<span />
5 0
3 years ago
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