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dybincka [34]
3 years ago
13

George can read 14 pages of a novel in 30 minutes. at the same rate, how many minutes would it take him to read 420 pages?

Mathematics
2 answers:
fomenos3 years ago
6 0

\bf \begin{array}{ccll}
pages&minutes\\
\cline{1-2}
14&30\\
420&m
\end{array}\implies \cfrac{14}{420}=\cfrac{30}{m}\implies m=\cfrac{420\cdot 30}{14}\implies m=900

kvv77 [185]3 years ago
4 0

14/420=30/x

x=(420/14)(30)=900

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Sedbober [7]

Answer:

height=6 ft

Step-by-step explanation:

-The volume of a rectangular prism is given by the formula:

V=lwh

#We make h the subject of the formula the solve for it:

V=lwh\\\\\frac{V}{lw}=h\\\\\therefore h=\frac{V}{lw}

#Substitute to solve for height:

h=\frac{V}{lw}\\\\=\frac{72}{2\times 6}\\\\=6\ ft

Hence, the prism has a height of 6 ft.

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Step-by-step explanation:

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3 years ago
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A pizza parlor offers 10 toppings. How many 3-topping pizzas could they put on their menu? Assume double toppings are not allowe
andreev551 [17]

Using combination and permutation we found out that there are 30240 ways to make varieties of pizza with 3 toppings.

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A permutation is a process of placing objects or numbers in order. Combining is the ability to select an object or number from a group of objects or collections such that the order of the objects does not matter.

In mathematics, a combination is the selection of elements from a set with different members, so the order of selection does not matter.

The process or state of binding. Some combination: A combination of ideas. Combined: A chord is a combination of notes. Alliance of Individuals or Parties: Combinations to restrict transactions.

Learn more about combination here: brainly.com/question/11732255

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8 0
2 years ago
Please help. Thank you!
Makovka662 [10]

Answer: See explanation

Step-by-step explanation:

By the Triangle Inequality Theorem, the length of the side must be greater than 1 ft because the sum of two side lengths must be greater than the length of the third side. The third side must be less than 7 ft but greater than 1 ft.

Triangle inequality: 1 < x < 7

Hope that helped!

3 0
3 years ago
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