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Ronch [10]
3 years ago
5

Estimate each sum or difference 19.7- 6.9

Mathematics
1 answer:
WITCHER [35]3 years ago
7 0

Answer:

12.8

Step-by-step explanation:

Solve 19.7-6.9

19.7-6.9=12.8

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A large dining room table is in the shape of a semi circle diameter 12 feet. What is the square feet closest to the area ? Radiu
Zarrin [17]
No, the radius is not 3.14 .  The radius is 1/2 of the diameter . . .  That's 6 feet.
If you see 3.14 on the sheet, then that's the number you're supposed to use for pi .

The area of any circle is (pi) x (radius squared).
If the table were a full circle, its area would be (pi) x (6 squared) = 36 pi square feet.

But it's only half of that . . . 18 pi = (18) x (3.14) = <u>56.52 square feet</u>.

That's called the "area" of the table, not the "square feet" of the table.

And another thing:   I see you're asking for the "closest" number.   Don't ask me
how I know this, but I'm pretty sure that right under this question wherever you
copied it from, there's a list of choices, and when you posted the question, for
some reason you decided not to share the list.
7 0
3 years ago
a map of South Carolina is being made to a scale of 1/2 inches equals 50 miles. Greenville is 230 miles from Myrtle beach. how f
Olin [163]
All you have to do here is multiply 230 by .5 and you get 115.

They are 115 inches apart on the map.

Hope this helped! :)
7 0
3 years ago
Read 2 more answers
The circumference of a circle is 62.8 inches.Using pi as 3.14,what is the radius.PLEASE SHOW YOUR WORK!!!!
mamaluj [8]
The circumference of a circle - C=2 \pi r

C=62.8 \\ \\&#10;62.8=2 \times 3.14 \times r \\&#10;62.8=6.28r \\ \frac{62.8}{6.28}=r \\ r=10

The radius is 10 in.
7 0
4 years ago
Jamie opened a savings account with $1000. Each month, she will add $35 to the account. Let y represent the amount of money in t
ra1l [238]

Answer:

The answer is c: y = 35x + 1000

Step-by-step explanation:

Jamie starts off with 1000 which means that no matter how much more money she adds to the account she still has to add the 100 she already has. Then she is adding $35 per month so it would be positive 35 so the correct equation is

35x +1000

8 0
3 years ago
................................find 8% of 2.36.
slega [8]
2,36 ------- 100%
x ---------    8%
----------------------

 x = 2,36*8/100 = 0,18 

hope helped 
8 0
3 years ago
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