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3 years ago

The jar has a diameter of 6 inches what is the circumference?

Mathematics

1 answer:

Schach [20]3 years ago

3 0

Answer:

18.85 inches

Step-by-step explanation:

Eq: 2πr

D/2=R

6/2=3 inches

2π3

=18.85 inches

πd

6π

=18.85 inches

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50,000 contestants participate in an on-line game. The game randomly eliminates 20% of the contestants each day. Determine the n

irga5000 [103]

Answer:10,486 contestants

Step-by-step explanation:

First day:

Total number of contestants at the beginning = 50,000

After first day, 20% 0f 50,000 are removed.

That is, (20/100)×50,000 = 10,000

Contestants remaining after first day = 50,000-10,000 = 40,000

Second day:

Contestants= 40,000

20% removed

That is (20/100)×40000=8000

Balance =40000-8000=32,000

Third day:

Contestants= 32000

20% removed

That is (20/100)×32000=6400

Balance =32000-6400=25,600

Fouth day:

Contestants= 25,600

20% removed

That is (20/100)×25,600=5,120

Balance =25,600-5,120=20,480

Fifth day:

Contestants= 20,480

20% removed

That is (20/100)×20,480=4096

Balance =20,480-4096=16,384

Sixth day:

Contestants= 16,384

20% removed

That is (20/100)×16,384=3276.8

Balance =16,384-3276.8=13,107.2

Seventh day:

Contestants= 13,107.2

20% removed

That is (20/100)×13,107.2=2621.44

Balance =13107.2-2621.44=10485.76

Therefore, number of contestants remaining after one week equals 10,486.

6 0

3 years ago

Gabriela has dinner at a cafe and the Cost of a meal is $45 because of the service she wants to give 15% tip

masha68 [24]

Answer:

$6.75 dollars

Step-by-step explanation:

6 0

2 years ago

Can someone help me find the value of X I would really appreciate it ;)

ipn [44]

Step-by-step explanation:

the similarity of the triangle:

x/18 = 8/12

=> 12x = 18×8

12x = 144

x = 12

7 0

3 years ago

Luis has saved $6. He doubles the amount he saves each week.Does this represent an exponential function?Complete: this______ rep

Gre4nikov [31]

Answer:

This does represent an exponential function , because his savings increase by a constant rate

Step-by-step explanation:

Let

x -----> the number of weeks

y ----> the amount saved

In this problem we have a exponential function of the form

$y=a(b)^{x}$

where

a is the initial value

b is the base

r is the rate of change

where

$a=\$6$

$r=100\%=100/100=1$ ---- because he doubles the amount each week

$b=1+r$ ----> $b=1+1=2$

substitute

$y=6(2)^{x}$

therefore

This does represent an exponential function , because his savings increase by a constant rate

8 0

3 years ago

-3+ (-14) - (-2) – 4

Nutka1998 [239]

Answer:

Hence the answer is -19

Step-by-step explanation:

=-3+ (-14) - (-2) – 4

first of all multiply all the sign we get

=-3-14+2-4

=-19

4 0

3 years ago

Read 2 more answers