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ahrayia [7]
3 years ago
14

I really dont understand this, im a A/B Honor role student just need a little help.

Mathematics
1 answer:
Kruka [31]3 years ago
5 0

Answer:

C.) Because i answered before The expresion is 15 <23

the've been open for 15 hours already, and cannot exceed 23 so

23 - 15 = 8.

They can be open for about 8 more hours.

The line graph should have 8 and anything BELLOW or BEFORE it.

Hope this helped! Please mark as brainliest! Thanks!

Step-by-step explanation:

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I will multiply twenty negative numbers​ together, with fifteen positive numbers. If the value of my number is​ x, how does it c
Snowcat [4.5K]

Answer:

<u>x = 27</u>

Step-by-step explanation:

Finding variation constant :

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Substituting in the equation y = kx, where y = 54 :

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4 0
2 years ago
What is the geometric mean of 7 and 11?
agasfer [191]

Def. of Geometric Mean: the nth root of the product of n numbers

The geometric mean of 7 and 11 =  \sqrt{7*11} =8.775\\ (approximated)

Hope that helped!

7 0
3 years ago
120 pianists compete in a piano competition. (a) In the first round, 30 of the 120 are selected to go on to the next round. How
MissTica

Answer:

Step-by-step explanation:

Given

There are 120 Pianist in a competition

(a)In first round 30 pianist is selected

this can be done in ^{120}C_{30} ways

=\frac{120!}{(120-30)!30!}

=\frac{120!}{90!30!}

(b)In the second round 5 pianist is selected out of 30

this can be doe by =\frac{30!}{(30-5)!5!}

=\frac{30!}{25!5!}

=142,506

8 0
4 years ago
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D. (-2,-1)

Hope it helps you.

7 0
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Answer:

59.66

Step-by-step explanation:

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