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dusya [7]
3 years ago
15

create a system of linear equations that had one solution.solve the system using elimination to prove your that your system has

only one solution
Mathematics
2 answers:
DochEvi [55]3 years ago
6 0

Answer:

A system of linear equations usually has a single solution, but sometimes it can have no ... A system of linear equations has one solution when the graphs intersect at a point. ... one. If you find a root and your discriminant is <0 (which means the quadratic really ... P.S. you can't use the discriminant to check linear equations.

Step-by-step explanation:

atroni [7]3 years ago
3 0
A system of linear equations usually has a single solution, but sometimes it can have no .. A system of linear equations has one solution when the graphs intersect at a point. ... one. If you find a root and your discriminant is <0 (which means the quadratic really ... P.S. you can't use the discriminant to check linear equations.
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Can anyone help me with this problem?<br><br>3a=9a^2-30​
Mekhanik [1.2K]

Answer:

X1 = 2 X= -\frac{5}{3}

Step-by-step explanation:

You must pass the 3 a to the other side in negative and use the quadratic formula

7 0
3 years ago
Read 2 more answers
What is the length of the radius of a circle with a center at 2 – i and a point on the circle at 8 + 7i?
Vesnalui [34]

Answer:

10

Step-by-step explanation:

The radius is the magnitude of the complex number that is the difference between any point on the circle and the center point. A suitable calculator can tell you that magnitude:

║(8+7i) - (2-i)║ = √((8-2)² +(7-(-1))²) = √(36+64) = √100 = 10

7 0
3 years ago
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There are 10 marbles in a bag 7 of them are blue and the rest are green If I randomly picked a marble from the bag what is the p
igomit [66]

Answer:

7/10

Step-by-step explanation:

10 marbles in a bag 7 of them are blue and the (10-7)=3 green

P( blue) = blue / total

            = 7/10

7 0
3 years ago
Answer fast please and can you show work
alexdok [17]

Answer:

a)

b) SSA does not constitute a proof. You need another fact.

Step-by-step explanation:

You should actually show congruency first

Angles opposite = sides are themselves equal.

<C = 50o

<J = 50o

But there is nothing that says x is 1/2 of <JAC

So it's unsolvable

Part B also has the same conclusion.

5 0
3 years ago
Round the value of x to the nearest tenth​
Marysya12 [62]

Answer:

x would equal x

Step-by-step explanation:

5 0
3 years ago
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