3 years ago

Sheila has $3215 and Tom has $1785. How much money must Sheila give to Tom so that Tom has $1000 more than her?

Mathematics

1 answer:

Tasya [4]3 years ago

4 0

1215 dollars is the right answer. Plz give brainliest!

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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

3 years ago

Tim and Sue share a small pizza. Tim eats 2/3 of the pizza. Sue eats half as much of the pizza as Tim does. What fraction of the

Rzqust [24]

2/3=4/6

1/2 of 2/3

sue eats 1/3 of the pizza.

6 0

3 years ago

Read 2 more answers

I need to solve this expression

insens350 [35]

Hello,

(-9)⁴= (-9).(-9).(-9).(-9)= 81.81 = 6561

6 0

3 years ago

O is the centre of the circle and ABC and EDC are tangents to the circle

nataly862011 [7]

Answer:

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7 0

3 years ago

50a3b-8ab factor the expression completely. part a: factor out the gcf (5 points) part b: factor the difference of perfect squar

dem82 [27]

Answer:

Step-by-step explanation:

50a³b = 2⋅5²a³b

8ab = 2³ab

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50a³b - 8ab = 2ab(5²a² - 2²)

5²a² - 2² = (5a - 2)(5a + 2)

8 0

2 years ago