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Hoochie [10]
2 years ago
14

Can some one explain Quadratic Equations to me, i to get how to slove them, could you show me how it works on this problem, y^2=

2y+63, thanks soo much :)​
Mathematics
1 answer:
andrey2020 [161]2 years ago
6 0

Here you go! I apologize if it makes no sense. I write my notes and practice problems super weirdly.

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Plz help ill give you brainlist
Daniel [21]
Consider this option:
1. formula of perimeter is: P=2(a+b), where a & b - the sides of rectangle.
2. according to the condition 2(x+(x+4))<120; ⇒ x<28
answer: D. x<28
5 0
3 years ago
The probability that a person is accepted for admission to a specific university is 0.6. Determine the probability that exactly
frozen [14]

Answer: the probability that exactly two of the next five people who apply to that university get accepted is 0.23

Step-by-step explanation:

We would number of people that applies for admission at the university and gets accepted. The formula is expressed as

P(x = r) = nCr × p^r × q^(n - r)

Where

x represent the number of successes.

p represents the probability of success.

q = (1 - p) represents the probability of failure.

n represents the number of trials or sample.

From the information given,

p = 0.6

q = 1 - p = 1 - 0.6

q = 0.4

n = 5

the probability that exactly two of the next five people who apply to that university get accepted is

P(x = 2) = 5C2 × 0.6^2 × 0.4^(5 - 2)

P(x = 2) = 10 × 0.36 × 0.064

P(x = 2) = 0.23

8 0
3 years ago
Read 2 more answers
Eight times a number increased by 6 is 62
N76 [4]
8x+6=62

8x=62-6

8x=56

X=56/8

X=7

The answer is 7. Hope this helps!
3 0
3 years ago
Read 2 more answers
If bobby was born in 05 how old would he be
Alex_Xolod [135]
He would be 15 years old depending on his birthday if he has a late birthday he would be 14 years and if he had a early birthday he would be 16 years old
5 0
3 years ago
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Let f={(1,2),(2,3),(5,6),(7,8) evaluate f(2)and f(5)?​
Flauer [41]

Given:

f=\{(1,2),(2,3),(5,6),(7,8)\}

To find:

The values of f(2) and f(5).

Solution:

If an ordered pair (x,y) is in the function f, then f(x)=y.

In the given set of ordered pairs one ordered pair is (2,3). So, by using the above definition, we get

f(2)=3

In the given set of ordered pairs one ordered pair is (5,6). So, by using the above definition, we get

f(5)=6

Therefore, the value of f(2) is 3 and the value of f(5) is 6.

5 0
2 years ago
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