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Lisa [10]
3 years ago
13

The quadratic formula

Mathematics
2 answers:
egoroff_w [7]3 years ago
6 0

Answer:

This is my alt

Step-by-step explanation:

Alecsey [184]3 years ago
5 0

Answer:

(-b±√(b²-4ac))/(2a)

Step-by-step explanation:

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A website randomly creates an initial password for people when they first sign up for an account. The password consists of five
sashaice [31]
This is a non replacement question, so each letter decreases by 1.

No vowels
The question actually starts right here. The preamble tells us that we can only use letters, no numbers, and no symbols. We are not asked to do anything. The first question makes no mention of there being anything special about m. It can be there or it most likely is not. This part of the problem is the first part.

First Part
I'm not going to deal with y. I will declare it to be a consonant.
There are 5 vowels. None of them can be chosen.
21 letters remain (including the m since it has not been limited in any way yet).

21 * 20 * 19 * 18 * 17
================
26 * 25 * 24 * 23 * 22

2441880 / 7893600
0.30934
Note: If your calculator has nPr on it, you can enter 21 nPr 5 to eliminate all the typing.

Second Part
No vowels and the first letter MUST be m
1 * 20 * 19 * 18 * 17/( 26 * 25 * 24 * 23 * 22)
116200/7893600 = 0.01473

Vowels and the first letter m.
1 * 25 * 24 * 23 * 22/ 7893600 = 0.03846

3 0
3 years ago
Read 2 more answers
Consider the statement:
Valentin [98]

Answer:

5 is the correct answer

Step-by-step explanation:

20 divide by 100 because it is in percent and 20 miltiply by 100 and there is the sign of multiply (of) is also known as multiply soo 20\100 * 25 will be the answer 5

5 0
2 years ago
Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.
Hitman42 [59]

Answer:

b is the anwser

Step-by-step explanation:

hope ut helps :)

3 0
2 years ago
What number divided by 5 equals 6
djyliett [7]
The answer your looking for is 30
30 ÷ 5 = 6
6 0
3 years ago
Read 2 more answers
A store has 7 red shirts, 15 black shirts, 13 white shirts, and 5 green shirts. Select the portion of the shirts that are black.
Svetach [21]

First you must add all of the shirts together, which gives you: 40

Since 15 of those are black, then you need to put those 15 over the total number of 40, making it 15/40.

Then you must simplify by the highest number that will go into both, and since that number is 5, it will then go into 15 three times and it will go into 40 eight times.

That leaves you with the answer of: 3/8


Hope I helped and good luck on your test! Please mark as brainliest if right? :)

4 0
3 years ago
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