3 years ago

Sue deposited $1,500 into two different accounts.

Mathematics

1 answer:

avanturin [10]3 years ago

5 0

$915 I’m pretty sure

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1. The company has agreed on a 9- character password format, comprised of uppercase letters, lower case letters, and digits (0-9

pochemuha

Answer: a) 1977060966, b) 146581344.

Step-by-step explanation:

Since we have given that

There are 10 numbers,

There are 26 lower case letters,

There are 26 upper case letters,

Since the first 3 characters have to be digits and next 6 can be upper or lower.

So, a) repetitions are allowed:

$10^3\times (26+26)^6\\\\=10^3\times 52^6\\\\=1977060966$

b) repetitions are not allowed:

$^{10}P_3\times ^{52}C_6\\\\=720\times 20358520\\\\=146581344$

Hence, a) 1977060966, b) 146581344.

5 0

2 years ago

Kyle's phone bill is $40 per month. How much does he have to pay for half a year of phone service? *

Diano4ka-milaya [45]

Answer:

$240

Step-by-step explanation:

40*6=240

8 0

2 years ago

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Find the distance between the given points (4,1) and (-5, -2)

anyanavicka [17]

Answer:

$3\sqrt{10}$ units I THINK

Step-by-step explanation:

using the distance formula, -2 - 1 = -3

-3 x -3 = 9

-5 - 4 = -9 x -9 = 81

81 + 9 = 90

sqrt 90 simplified is $3\sqrt{10}$ .

so im pretty sure that's the answer.

5 0

3 years ago

A rock climber ascends 18 3/4 feet to the top of a rock ledge the climber descends 8 1/8

ratelena [41]

Answer:

10 $10\frac{5}{8}$

Step-by-step

Reduce $\frac{3}{4}$ to $\frac{6}{8}$ and simply subtract.

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2 years ago

Does 6 3/8 - 4 3/4 = 4 3/4

UNO [17]

Answer:

no it doesnt

Step-by-step explanation:

4 0

2 years ago

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