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andreev551 [17]
3 years ago
10

A. (2, -1) B. (2, 1) C. (-1, 2) D. No solution

Mathematics
1 answer:
galben [10]3 years ago
3 0
If you are finding the y-intercept of the values, it would be D no solution because the slopes are the same. Since the lines are parallel, there would not be a solution.
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Solve 2^3x=172 Use logarithmic please
I am Lyosha [343]
2^3x = 172
3x log 2 = log 172
3x = 7.4263
x = 2.475

i am a mathematics teacher. if anything to ask please pm me
4 0
4 years ago
You are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each s
DochEvi [55]

Answer:

<u>x= 35 hot dogs</u>

<u>y= 52 soda</u>

Step-by-step explanation:

x= hot dogs

y= soda

Total sold

1 x + 1 y = 87 .............1

2 x 0.50 y = 78.50 .............2

Eliminate y

multiply (1)by -0.50

Multiply (2) by 1.00

-0.50 x -0.50 y = -43.50

2 x + 0.50 y = 78.50

Add the two equations

1 x = 35.00

/ 1

x = 35.00

plug value of x in (1)

1 x + 1 y = 87

35 + y = 87

y = 87 -35

y = 52

y = 52.00

x= 35 hot dogs

y= 52 soda

6 0
3 years ago
How do I write Domain and Range in inequality notation?
ArbitrLikvidat [17]

Answer:

Domain: (-infinity, infinity)    Range:  (-infinity, infinity)

Step-by-step explanation:

They are parabolas, therefore you can assume that they go on infinitely. To find range, you must look at your y values. Look for your lowest point. Because the line goes done forever, your beginning mark would be (-infinity.

To find the other part, you look at your positive y values. Look for the highest value. Because this goes on infinitely, the completed version of your notation would be (-infinity, infinity). Be sure to use the infinity symbol though, which looks like an 8 rotated 90 degrees.


To find domain, look at your x values. To begin, look at your left-most values, which would be the negative numbers. Because the line goes on forever to the left, your notation would be (-infinity. To find the other part of domain, look at your positive x values. Because this line goes on infinitely as well, the completed version of your notation would be (-infinity, infinity). Infinity is never bracketed, it is always in parenthesis.

8 0
3 years ago
How many solutions does the system have? y=−2x+4
Anna11 [10]

Answer:

There is only one solution and the solution is (0,4).

Step-by-step explanation:

The given system has equations;

y=-2x+4

and

y=x^2-2x+4

We equate the two equations to determine their point of intersection;

x^2-2x+4=-2x+4

\Rightarrow x^2-2x+2x+4-4=0

\Rightarrow x^2=0

\Rightarrow x=0

We put x=0 into the first equation to get;

y=-2(0)+4=4

There is only one solution and the solution is (0,4).

3 0
3 years ago
Read 2 more answers
Compare the line passing through the points (−3, − 11) and (6, 4) to the line given by the equation y=32x−6.
butalik [34]

Answer:

See below

Step-by-step explanation:

<u>Given points:</u>

  • (-3, -11) and (6, 4)

<u>Let's calculate it's equation:</u>

  • y = mx +b
  • m = (4 + 11)/(6 +3) = 15/9 = 5/3
  • y = 5/3x + b
  • -11 = 5/3*(-3) + b ⇒ b = -11 + 5 = -6
  • y = 5/3x - 6

<u>The given line:</u>

  • y = 32x - 6

Compared, the lines have different slope (5/3 vs 32) but same y- intercept (-6), so both pass through the point of (0, -6). y= 32x - 6 has greater rate of change.

8 0
3 years ago
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