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MArishka [77]
3 years ago
13

EASY POINTS (attached)

Mathematics
2 answers:
solong [7]3 years ago
5 0
Answer for the first one - it's complicated, but that maths is correct

I kind of cheated and did it a different way than they'd expect. By doing 24 squared, that gives you 576. 

since both angles are 45 degrees, then the sides are equal lengths. Therefore x squared times 2 = 576.

Because of this, x squared = 576 divided by 2, which equals 288.
Therefore the square root of 288 = 12 square root 2
vfiekz [6]3 years ago
3 0

Answer:

:)

Step-by-step explanation:

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Suppose each laptop of a certain type is assigned a series number, which consists of a sequenceof eight symbols: number, letter,
Varvara68 [4.7K]

Answer:

Step-by-step explanation:

There are 5numbers and 3 letters. Each number can be one among the 10 possible.

Each letter is 1 among the 26 available.

a)The number of possible unique serial numbers are

10^5x 26³

The number of 5 number combinations each different (order important) is 5!(10/5)= 30240

The number of 3 letter combinations each different (order important) is 3!(26/3)=15600

The required probability (that all symbols are different if one laptop is picked at random with equal probability) is

15600x3240/ 10^5x 26³=0.2684

b) The first letter must be at least 4 to be largest among the 5 numbers. So the first letter can be one of . 4,5,6,7,8,9..

The number of 5 number combinations each different and starting with 4 (order important) is .

4!=24

The number of 5 number combinations each different and starting with 5 (order important) is .

4!(5/4)= 120

The number of 5 number combinations each different and starting with 6 (order important) is .

4!(6/4)= 360

The number of 5 number combinations each different and starting with 7 (order important) is .

4!(7/4)= 840

The number of 5 number combinations each different and starting with 8 (order important) is

4!(8/4)= 1680

The number of 5 number combinations each different and starting with 9 (order important) is .

4!(9/4)= 3024

Thus, there are

The required probability ( that all symbols are different and the first number is the largest among the numbers) is

15600* 6040/10^5x 26³= 0.0537

5 0
3 years ago
How does finding the dimensions of the surrounding objects around me apply to my studies in Geometry?
frosja888 [35]

Answer:

clock ⏰

cake

cookie

5 0
3 years ago
There were 36 cookies in a package. Chase invited 6 friends to his birthday party. How many cookies will each person get if all
podryga [215]
7 cookies each without surpassing 36.
4 0
3 years ago
If i choose two americans at random, what is the probability that one speaks english at home and the other does not?
Lyrx [107]

1/2 since there is only 2 and if one speaks english at home then the other may or may not

4 0
3 years ago
If you have one dollar, three pennies, and two quarters, how much money do you have?
frosja888 [35]

Answer:

1.53

Step-by-step explanation:

1 dollar = 1.00

3 pennies = 3 * .01 = .03

2 quarters = 2 *.25 = .50

Add this together

1 +.03 +.50 = 1.53

5 0
3 years ago
Read 2 more answers
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