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nevsk [136]
3 years ago
8

Writing explain how you know when a linear system in three variables has infinitely many solutions.

Mathematics
1 answer:
Lilit [14]3 years ago
5 0
Pick any two pairs of equations<span> from the system. Eliminate the same </span>variable<span> from each pair using the Addition/Subtraction method. Solve the system of the two new </span>equations<span> using the Addition/Subtraction method.</span>
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-1 + 1.9x = -6.4 + 9.2x
natka813 [3]

Answer:

0.74

Step-by-step explanation:

We can isolate x, getting 9.2x - 1.9x = -1 + 6.4

We can then simplify, getting 7.3x = 5.4, which we can solve by dividing both sides by 7.3:

x = 5.4 / 7.3 = 0.74

8 0
3 years ago
Read 2 more answers
Given the following polynomial find the maximum possible number of turning points. f(x)=x^11+x^10+x^12+x^9
11111nata11111 [884]
Turning points are inflection points

think
1st degree (linear) has no turning/inflecion points
2nd degree (quadratic, parabola) has  1 turning/inflection point
so
nth degree has n-1 turning/inflection point

this is 11th degree since highest power is 12
12-1=11
11 turning oints
5 0
3 years ago
Michael played a game of darts. He threw 14 darts and hit the target
solniwko [45]
3/7

6 divided by 2 equals 3
14 divided by 2 equals 7
4 0
2 years ago
Jose works at a restaurant. They earn 14.45 per hour plus a 8.50 each time someone signs up for the store's credit card.
lidiya [134]

m = money earned in one week

h = hours worked

x = times credit card was swiped

m = 14.45h + 8.50x

7 0
3 years ago
Subtract 6x 2 −7x−2 from 6x^{2}-2x+6
ki77a [65]

Answer:

5x+8

Step-by-step explanation:

The from is the key word

That means the second term is first

6x^2 -2x +6 - (6x^2 -7x -2)

Distribute the minus sign

6x^2 -2x +6 - 6x^2 +7x +2

Combine like terms

5x+8

3 0
2 years ago
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