Please help on number 3

Mathematics

1 answer:

Sedbober [7]2 years ago

6 0

Answer:

Step-by-step explanation:

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Sarah cannot completely remember her four-digit ATM pin number. She does remember the first two digits, and she knows that each

OLga [1]

Answer:

3/16 or 0.1875

Step-by-step explanation:

Since she remembers the first two digits, she only has to guess the last two digits. If both digits are greater than 5, there are 4 possible alternatives for each digit (6, 7, 8 or 9).

In three tries, the probability that she will get it right is:

$P=\frac{3}{4*4}\\P=\frac{3}{16}=0.1875$

The probability she will get access to her account is 3/16 or 0.1875.

4 0

3 years ago

2/5+3/8= i will give brainliest

Marysya12 [62]

so first we should make the denominators the same so find a multiple that 5 and 8 share: they share a multiple of 40, so whatever you do to the denominator you do to the numerator. So the equation should now look like 16/40+15/40 and the answer is 31/40!!

4 0

3 years ago

What is 4 5/6 - 1 1/2 =

Liula [17]

Answer:

1 2/6

Step-by-step explanation:

multiply 1 1/2 by 3 to get 3 3/6 then subtract thay from 4 5/6

6 0

2 years ago

Read 2 more answers

a museum employee surveys a random sample of 350 visitors to the museum. Of those visitors, 266 stopped at the gift shop. Based