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Tresset [83]
3 years ago
13

I have no clue how to do any of these problems so if anyone knows any an explanation would be nice.

Mathematics
1 answer:
Sever21 [200]3 years ago
7 0
#1).  The length of the whole circumference is (π · D) = 12π .

         120° is 1/3 of 360°, so arc-AB is 1/3 of the whole circumference.

#2).  60° is 1/6 of 360°.
         So arc-CD is 1/6 of the whole circumference (which is given).

#3).  The circumference of the circle is (π·D) = 20π .

         70° is (70°/360°) of the whole circle, so arc-XY
         is  (70/360) of the whole circumference.

#4).  Sorry, I don't remember anything right now about
         angles between chords. 
         I hope what I've given you so far is worth 5 points.
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In the talent show, 6 students plan to sing, 7 students plan to dance, and 2 students plan to
kumpel [21]

Answer:

Rick is correct

Step-by-step explanation:

7 0
3 years ago
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Mayumi plans to buy pencils and a notebook at the school store. A pencil costs $0.15, and a The notebook costs $1.59. Mayumi has
Elina [12.6K]

Answer: 0.15p+1.59n ≤ 5.00

Step-by-step explanation:

Given: A pencil costs $0.15, and a The notebook costs $1.59.

Let p = Number of pencils.

n = Number of notebooks.

Total cost of pencil and notebook = 0.15p+1.59n

Since Mayumi has $5.00.

So, Total cost of pencil and notebook ≤ $5.00

⇒ 0.15p+1.59n ≤ 5.00

Hence, the required inequality: 0.15p+1.59n ≤ 5.00

3 0
3 years ago
Mr. O’Brian is paid $7.30 per hour for 40 hours he works in a week. He is paid 1.5 times that rate for each hour after that
posledela
Hey You!

7.30 × 1.5 = 10.95

10.95 × 40 = 438

So, Mr. O'Brian was paid $438 after he was paid 1.5 times the previous rate for 40 hours.

And That Answers Your Question! :)
3 0
3 years ago
2/3 divided by 1/3 reduced to lowest term
Margaret [11]
\bf \cfrac{2}{3}\div \cfrac{1}{3}\implies \cfrac{2}{3}\times  \cfrac{3}{1}\implies \cfrac{2\times 3}{3\times 1}

simplify away
6 0
3 years ago
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Plss Help!!
jek_recluse [69]

Here is some answers

1. 2x+3y=1,470

-2x -2x

---------------------

3y=-2x+1,470

---- --------

3 3

------------------

y=-2x+490

2. rise

-----

run

y=-2

---

1

Find 490 and either go up 2 down 1 or down 2 up 1 either way you will get a straight line.

3. f(x)=2x+490

Don-t know how to explain this :(

I'm confused after this question

Hope this helped a little

5 0
3 years ago
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