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Naddika [18.5K]
3 years ago
7

You are going to create a circle graph to represent some data. How many degrees should a section representing 65 out of a hundre

d be?
Mathematics
1 answer:
hjlf3 years ago
8 0

To figure out the degrees, you would create a ratio.

Since there are 360 degrees in your circle, that would be representative to 100 (because both are the total of what you want to find), and x would be representative to what degrees 65 is equal to.

your ratio should look like,

65/100=x/360

cross multiply and get

65(360)=100x

23400=100x

x=234


It looks hard to read like this, but if you write it out on your paper it should make more sense!

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Bogdan [553]
I think it’s D sorry if I’m incorrect
8 0
2 years ago
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In a pen of goats and chickens, there are 40 heads and 150 feet. How many goats and chickens are in the pen?
s2008m [1.1K]

Hey there!!

A chicken has 1 head and 2 feet . A goat has 1 head and 4 feet

For heads, total = 40

Let us take the number of chickens as ' x ' and goats as ' y '

x + y = 40 ------------- ( 1 )

2x + 4y = 150 ----------- ( 2 )

Multiply the first equation with 2

2x + 2y = 80

2x + 4y = 150

Subtract the first equation from the first

2y = 70

y = 35

Number of goats = 35

substitute this in other equation

x + y = 40

x + 35 = 40

x = 5

Number of chickens are 4

Hope it helps!

6 0
3 years ago
|h-3|<5 how do I solve using inequalities
Readme [11.4K]

You can find the approximate value of h in this the same way you could with an algebraic expression.

h - 3 < 5

+3

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8 0
3 years ago
Martha earned $180 during the summer doing chores. She bought 3 books worth $14 each using her chore money. How much money was l
Viktor [21]

Answer:

$138

Step-by-step explanation:

We can first turn the words into a mathematical equation by substituting words with the information we have:

Total earning - ( Price of three books)

$180 - (Price of one book x 3)

$180 - ($14 x 3)

Finally, after we have created the mathematical equation, we solve it!

$180 - ($14 x 3)

$180 - $42

$138

6 0
3 years ago
2<br> 4-(28 divided 7)+111
nikitadnepr [17]
4-(\frac{28}{7})+111
=4-(4)+111
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8 0
3 years ago
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