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3 years ago

Please help In geometry homework

Mathematics

1 answer:

bezimeni [28]3 years ago

7 0

The surface area of this hexagonal prism is approximately 313.2cm^2

Hope this helps

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there are 120 children standing in a line,every third gets a rubber, every fourth child gets ruler and every fifth gets a book.

Kaylis [27]

Answer:

60th position is the first child that gets all 3 items

Step-by-step explanation:

Find the LCM of 3 , 5 and 4.

Least common multiple of 3 , 4 and 5 = 3 * 4 * 5 = 60

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3 years ago

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Jack is placing glass bottles into boxes to recycle. He can fit 12 bottles in each box.

djverab [1.8K]

His estimation is not reasonable because if you can only fit 12 bottles in a box and he has 10 boxes then he could only fit 120 out of the 200 bottles so he is short on boxes

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3 years ago

How many times does 12 go into 95

JulsSmile [24]

Answer:7

Step-by-step explanation:

95/12=7.916666666666666666666666666

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3 years ago

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The sum of two numbers is 14. The first number is 2/5 of the second number. What are the numbers?

zlopas [31]

Answer:

4 and 10

Step-by-step explanation:

To solve this problem, we need to find all the numbers between 1 and 13 that have a sum of 14. The list is shown below:

1 + 13, 2 + 12, 3 + 11, 4 + 10, 5 + 9, 6 + 8, 7 + 7

Now we must figure out which set of numbers include one number that is 2/5 of the value of the other. We can do that by turning the sets of numbers into fractions as shown below:

$\frac{1}{13}\neq \frac{2}{5}$

$\frac{2}{12}\neq \frac{2}{5}$

$\frac{3}{11}\neq \frac{2}{5}$

$\frac{4}{10}= \frac{2}{5}$ (answer)

$\frac{5}{9}\neq \frac{2}{5}$

$\frac{6}{8}\neq \frac{2}{5}$

$\frac{7}{7}\neq \frac{2}{5}$

8 0

3 years ago

Jennifer is mowing the lawn. After 15 minutes, or 14 of an hour, Jennifer has mowed 23 of the lawn. At this rate, how long will

LUCKY_DIMON [66]

Answer:

$22.5\:\text{minutes}$

Step-by-step explanation:

In 15 minutes, Jennifer has mowed $\frac{2}{3}$ of the lawn (given in problem). This means that it will take her $\frac{3}{2}\cdot 15=22.5\:\text{minutes}$ to mow the entire lawn, assuming a constant rate.

Equation:

Let $x$ represent the entire lawn:

$\frac{2}{3}x=15,\\x=\frac{15}{\frac{2}{3}}=15\cdot \frac{3}{2}=\boxed{22.5}$

3 0

3 years ago