Help please thanks so much

Mathematics

2 answers:

Andreas93 [3]3 years ago

6 0

Answer: In the math club, there is one nine-year old, one eleven-year old, two twelve-year old, and 4 thirteen year olds.

Step-by-step explanation:

Every dot represents one person in each category. So in order to figure out the math club, you count the dots. For example, in the 12 column. There are 2 dots meaning there are 2 people who are twelve years old in the math club. Hope this helped!

s2008m [1.1K]3 years ago

4 0

The majority of the members are 13 years old (50/50 13 or younger). Most of the members are on the older side, with the exception of one member, who is significantly younger than the others.

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The scientists at ChemEx Research use chemical storage tanks.

statuscvo [17]

Answer:

395149.22 cubic inches.

Step-by-step explanation:

The volume of a tank with length (L), width (W) and height (H) is given by

V = LWH ........ (1)

Now, the interior dimensions of a tank are 82.5 inches long, 58.5 inches wide, and 81.875 inches tall.

So, L = 82.5 inches, W = 58.5 inches and H = 81.875 inches.

Therefore, V = (82.5 × 58.5 × 81.875) = 395149.22 cubic inches.

Hence, the approximate volume of the tank is 395149.22 cubic inches. (Answer)