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ratelena [41]
3 years ago
6

Without graphing, explain how you can tell how many solutions the system has. y=2x+3 and y=2x-3

Mathematics
2 answers:
vitfil [10]3 years ago
8 0
You answer is infinite solutions
Viktor [21]3 years ago
7 0

Answer:

Find the solution(s) to y=x+ 3 and y = 2x – 2. Find some ... Without graphing, determine whether each system of equations will have no solution, one solution, or ...

Step-by-step explanation:

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The answer to your question is 45
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3 years ago
Find the difference: 28y − 16y. Select one of the options below as your answer:.A. 12y. B. 10y. C. -44y. D. -12y
Reptile [31]
28y - 16y = 12y
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8 0
3 years ago
Find the value of k such that x-2 is a factor of 3x³-kx²+5x+k​
Nuetrik [128]

Answer:

\displaystyle k = \frac{34}{3}

Step-by-step explanation:

We are given the polynomial:

\displaystyle P(x) = 3x^3 - kx^2 + 5x + k

And we want to determine the value of <em>k</em> such that (<em>x</em> - 2) is a factor of the polynomial.

Recall that the Factor Theorem states that a binomial (<em>x</em> - <em>a</em>) is a factor of a polynomial P(x) if and only if P(a) = 0.

Our binomial factor is (<em>x</em> - 2). Thus, <em>a</em> = 2.

Hence, by the Factor Theorem, P(2) must equal zero.

Find P(2):

\displaystyle \begin{aligned} P(2) &= 3(2)^3 - k(2)^2 + 5(2) + k \\ \\ &= 3(8) - 4k + 10 + k \\ \\ &= 34 - 3k  \end{aligned}

This must equal zero. Hence:

\displaystyle \begin{aligned} 34 - 3k &= 0 \\ \\ -3k &= -34 \\ \\ k = \frac{34}{3}  \end{aligned}

In conclusion, <em>k</em> = 34/3.

6 0
2 years ago
Help me fast PLEASE  The equation y = 1.6x represents the number of laps Henry can swim over time, where y is the number of laps
Phoenix [80]
The table is missing though but you may consider the following calculations :

Y = 1.6 x
for x = 1 minutes
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for x = 2 minutes
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4 0
3 years ago
Read 2 more answers
A certain type of chocolate bar is sold as follows.
Scrat [10]

Answer:

Step-by-step explanation:

You would never buy a 10-pack, because two 5-packs cost less.

To buy 3 bars you need a single bar and a pair of single bars for £0.82 + £0.82+ £0.41 = £2.05

To buy 30 bars you need 3 pairs of 5-bar packs = 3×£5.75 =  £17.25

To buy the remaining 5 bars you need one 5-bar pack = £3

cost = £2.05 + £17.25 + £3 = £22.30

5 0
3 years ago
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