3 years ago

The student scores on mrs fredericks mathematics test are shown on the stem and leaf plot below

Mathematics

1 answer:

Anna11 [10]3 years ago

6 0

Where is the plot. put it in and ill answer

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Lynn has a box of crayons.

Scrat [10]

Answer:

<em>There are 72 crayons in the box</em>

Step-by-step explanation:

<u>Fractions</u>

To solve this problem we'll manage numbers as fractions to keep the precision up to the end of it.

Lynn has a box of crayons. It's given 4/9 of the crayons are blue. The remaining crayons are:

$1-\frac{4}{9}=\frac{5}{9}$

From that portion, 65% are red, or equivalently, 35% are yellow.

We write 35% as a fraction:

$\displaystyle 35\%=\frac{35}{100}=\frac{7}{20}$

Thus, the portion of yellow crayons is:

$\displaystyle \frac{7}{20}\cdot \frac{5}{9}=\frac{7}{36}$

This fraction of x crayons is equal to 14, thus:

$\displaystyle x=\frac{14}{\frac{7}{36}}=14\cdot\frac{36}{7}$

x = 72

There are 72 crayons in the box

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2 years ago

What is the value of the rationale expression below when x is equal to 4? X+20/x+4

sveta [45]

Answer:

Step-by-step explanation:

to evaluate substitute x = 4 into the rational expression, that is

$\frac{4+20}{4+4}$ = $\frac{24}{8}$ = 3

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2 years ago

What is the length of the arc intercepted by an angle of 10 degrees on a circle with a radius of 10 meters?

soldier1979 [14.2K]

$\displaystyle\\
\texttt{Length of the arc }= 2\pi R\times \frac{10}{360} = \frac{2\pi \times 10}{36} = \frac{20\pi}{36} = \boxed{\frac{5\pi}{9}~m}$

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Step-by-step explanation:

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Round 3 3/8 to the nearest whole number

777dan777 [17]

3 3/8 to the nearest whole number is 3 because 3/8 < 1/2

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3 years ago