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Liono4ka [1.6K]
3 years ago
5

A disc has a diameter of 23 cm. The inner hole in the disc has a radius of 2 cm. Find the circumference of both the inner hole a

nd the entire disc. Round to the nearest whole centimeter.
Mathematics
1 answer:
mel-nik [20]3 years ago
3 0

Answer:

Inner hole: 13 cm; Whole disc, 72 cm

Step-by-step explanation:

Connexus 2021

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You earned 1008 in interest by keeping your money in the bank for 7 years at a rate of 4.5.What was your initial deposit?
8090 [49]

Answer:

The principal required to  accumulate interest of $ 1,008.00  on a rate of 4.5% per year for 7 years is $ 3200.

Step-by-step explanation:

Given:

Interest I = $ 1008

Time period t = 7 years

Rate of Interest per year r = 4.5% = 4.5/100 = 0.045

To determine:

Initial deposit P = ?

Using the simple interest formula

I = Prt

P = I / rt

P = 1008 / ( 0.045 × 7 )

P = $ 3200

Therefore, the principal required to  accumulate interest of $ 1,008.00  on a rate of 4.5% per year for 7 years is $ 3200.

6 0
3 years ago
15a+65b&lt;150 <br><br> Please help
son4ous [18]

Answer:a<−13/3

b+10

Step-by-step explanation:

Step 1: Add -65b to both sides.

15a+65b+−65b<150+−65b

15a<−65b+150

Step 2: Divide both sides by 15.

15a

15

<

−65b+150

15

a<

−13

3

b+10

Answer:

a<

−13

3

b+10

8 0
3 years ago
PLS ASAP I HAVE BEEN UP LATE I NEED HELP!!
il63 [147K]
I think you would move the decimal point to the left depending on how many zeros there are.
5 0
3 years ago
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You buy 6 notebooks and a backpack. The cost of the backpack is $18.70. You pay 6% in sales tax on your purchase, and your total
s2008m [1.1K]

Answer:

$3.05

Step-by-step explanation:

Backpack=$18.70

6 note books=x

Sales tax=6%

Total cost=$39.22

18.70+x+0.06(18.70+x)=39.22

18.70+x+1.122+0.06x=39.22

19.822+1.06x=39.22

1.06x=39.22-19.822

1.06x=19.398

x=19.398/1.06

=18.3

x=$18.3

6 books=$18.3

Each book cost=18.3/6

=$3.05

5 0
3 years ago
What is the correct answer to this ?​
marin [14]

Answer:

no

Step-by-step explanation:

its a scalene triangle

8 0
3 years ago
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