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3 years ago

6

The diameter of a spherical balloon that is being filled with air is increasing at the rate of 3 inches more than the time, t. W

hat will the volume, V, of the balloon be at t=3 seconds

1 answer:

Deffense [45]3 years ago

6 0

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Complementary angles equal 90 degrees true or false

barxatty [35]

False, Complementary angles equal to 180 degrees and Supplementary angles equal to 360 degrees

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4 years ago

A thief steals an ATM card and must randomly guess the correct five-digit pin code from an 8 key keypad repetition of digits is

Rus_ich [418]

Answer:

1/32768

Step-by-step explanation:

We have 5 digit pin code plots and 8 choices per slot. Because repetition is allowed (1 digit can have 8 choices) so we multiply out the number of choices per slot . Hence:

8*8*8*8*8 = $8^{5} = 32768$

So there are 32768 different combination.

But correct guess on the first try is just only 1 time, so its' probability:

1/32768

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3 years ago

the sum of the first 6 terms of a geometric series is 15624 and the common ratio is 5. what is the first term of the series?

9966 [12]

Answer:

first term a=4

Step-by-step explanation:

Sum of the first 6 terms S6 = 15624

common ratio r= 5

n= 6

first term a=?

Formula: S6= a(r^n-1)/r-1

15624 = a( 5^6-1)/5-1

15624 = a(15625-1)/4

15624= a( 15624)÷4

15624= 15624a÷4

Cross multiply

15624×4 = 15624a

62496 = 15624a

divide both sides by 15624

62496÷15624 = 15624a÷15624

4 = a

a= 4

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3 years ago

10q - 30 is equivalent to _____.

mr_godi [17]

For this case we must find an expression equivalent to:

$10q-30$

We look for the factors of 10 and 30:

10: 1,2,5,10

30: 1,2,3,5,6,10,15,30

The greatest common factor of both numbers is 10.

Then, we can rewrite the expression as:

$10 (q-3)$

Answer:

$10 (q-3)$

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3 years ago

What’s 17/12 as a mixed number

ddd [48]

1 and 5/12 is the simplst mixed

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4 years ago