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ehidna [41]
3 years ago
8

Write expressions in simplest form that represents the total amount in each situation

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0
30 + 2x minutes a week.
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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

7 0
3 years ago
What is the value of z?
UNO [17]

Answer:

z =23

Step-by-step explanation:

The three angles in a triangle add to 180 degrees.

62+95+z = 180

Combine like terms

157 +z = 180

Subtract 157 from each side

157-157 +z = 180-157

z =23

3 0
3 years ago
Write the quotient as a power
elena55 [62]

Answer:

10^3

Step-by-step explanation:

15-12=3

10^3

7 0
3 years ago
Solve for n 20 > -4x - 8
yan [13]

Answer:

x > -7

Step-by-step explanation:

20 + 8 > -4x

Simplify

28 > -4x

Divide both sides by 4

-28/4 < x

-7 < x

x > -7

5 0
3 years ago
What is 5/8ths of 80??
Vadim26 [7]
Multiply 80 by 5/8ths.

80*5/8=50
8 0
3 years ago
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