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Mumz [18]
2 years ago
14

Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.

Mathematics
2 answers:
disa [49]2 years ago
4 0

Answer:

d. that the answer of my module

Katena32 [7]2 years ago
3 0

Answer:

-b +/- √b^2-4ac

____________

2a

7 +/- √49-4(10)(3)

______________

2(10)

x= 7 +/- i√71

________

20

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When solving a system of equations, how do you determine which method to use?
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Substitution is best to use one one or both equations is already solved for one of the variables. Elimitation can be use if all variables have a coefficient other than 1.
5 0
2 years ago
A small auditorium has 12 rows of seats. There are 10 seats in the first row and 15 seats in the second row. The number of seats
Allushta [10]
10+15+20+25+30+35+40+45+50+55+60+65=450

There are 450 seats in the auditorium

*pst* Put as most brainliest

3 0
3 years ago
Select all of the following that are ordered pairs of the given function.
Tatiana [17]
F(x) is the same as y.......so basically ur subbing in ur points into the equation to see if it comes out equal.

f(x) = 3 - 2x.....(-2,-1)....x = -2 and f(x) = -1
-1 = 3 - 2(-1)
-1 = 3 + 2
-1 = 5.....this is not true, so it is not a solution

and that is how to do this problem.....

(-1,5)......this IS a solution
(0,3)......this IS a solution
(1,0)...this IS NOT a solution
(2,-1)...this IS a solution

8 0
3 years ago
Find the Mean, Median & Mode: 2, 6, 15, 3, 1, 8, 7
Marat540 [252]

Answer:

There is no mode

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Point O is between points Mand N on line segment MN. O is the midpoint of line segment MN if
s2008m [1.1K]
Diagram:
M------------O-------------N
................. ^ midpoint
Obviously if O is the *mid*point, then it is exactly halfway between M and N. That also means it has bisected the segment into two equal parts.
On one side you have MO (or OM, if you like)
On the other side you have ON.
In order for O to be the midpoint:
ON = OM
8 0
2 years ago
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