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Aleonysh [2.5K]
3 years ago
12

Can someone please help ?!

Mathematics
1 answer:
rewona [7]3 years ago
3 0

Answer:

4 * pi

Step-by-step explanation:

Given r = 10

Formula for the circumference of this full circle is:

2 * r * pi

2 * 10 * pi = 20 * pi

Given one (biggest) part = 16 * pi of this circle.

The other (smaller) part must therefore be:

20 * pi - 16 * pi

4 * pi

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Out of the 3,000 books, 180 are non-fiction. The rest are fiction. What percent of the books are non-fiction
xenn [34]

Answer:

6% of the books are non-fiction.

Step-by-step explanation:

Calculate the fraction 180/3000 and then multiply the result by 100%"

 180

---------  0.06.  Multiplying this by 100%, we get 6%

3000

6% of the books are non-fiction.

8 0
3 years ago
Read 2 more answers
pat needs 14 sticks of pepperoni to make 28 pizzas.How many sticks of pepperoni are needed to make 36 pizzas
Marizza181 [45]

Answer:

18 sticks of pepperoni

Step-by-step explanation:

In order to solve this problem, we have to find out how many pepperoni sticks are needed for just 1 pizza. If it takes 14 sticks to make 28 pizzas, that means it takes only half a stick to make a single pizza.

Now that we have this information, we can multiply 1/2 by 36 to find out how many sticks of pepperoni are needed to make 36 pizzas.

\frac{1}{2} * 36\\\\\frac{1}{2} * \frac{36}{1} \\ =\\\frac{36}{2} \\ =\\\frac{18}{1}

Therefore, it takes 18 sticks of pepperoni to make 36 pizzas. I hope this helps! Have a lovely day!! :)

7 0
2 years ago
A 12-foot ladder leans against the wall makes an angle of 62.87 degrees with the ground. How high up the wall does the ladder re
Alex

Answer:

10.68 ft

Step-by-step explanation:

sin(62.87)=x/12

12sin(62.87)

=10.68 ft

4 0
2 years ago
Difference between<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B5%7D%20%20-%20%20%5Cfrac%7B3%7D%7B10%7D%20" id="TexF
vampirchik [111]

Step-by-step explanation:

  • see below

\longrightarrow \:  \frac{4}{5}  -  \frac{3}{10}

\longrightarrow \:  \frac{8 - 3}{10}

\longrightarrow \: \cancel{\frac{5}{10} }

\longrightarrow \:  \frac{1}{2}

3 0
2 years ago
Read 2 more answers
Nachelle is 1.45 meters tall. At 11 a.m., she measures the length of a tree's shadow to be 23.05 meters. She stands 18.9 meters
GREYUIT [131]

Step-by-step explanation:

this creates 2 similar triangles.

that means all angles are the same. and all the side lengths of one triangle correlate to the corresponding side lengths of the other triangle by the same multiplication factor.

her shadow is 23.05 - 18.9 = 4.15 m long.

the factor between the shadow lengths is then

4.15 × f = 23.05

f = 23.05 / 4.15 = 5.554216867...

the same factor now applies to the relation of the heights :

1.45 × 5.554216867... = 8.053614458... m

rounded the tree is 8.05 m tall.

5 0
2 years ago
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