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Airida [17]
3 years ago
7

Which line will have no solution with the parabola y – x + 2 = x2?

Mathematics
2 answers:
kap26 [50]3 years ago
5 0
The line y = 2x - 3 will have no solution with the given parabora. All other lines gives a real solution except the line y = 2x - 3
prisoha [69]3 years ago
4 0

You can solve this question graphically.

First, plot all graphs of given functions:

  • y - x + 2 = x^2 \Rightarrow y=x^2+x-2 - red curve;
  • y = -3x -3 - blue line;
  • y = -2x -3 - green line;
  • y = 2x -3 - orange line;
  • y = 3x -3 - violet line.

Then see whether parabola and line have common points. Only orange line doesn't intersect red curve, this means that system

\left\{\begin {array} {l}y=x^2+x-2 \\y=2x-3\end{array}\right.

have  no solution.

Answer: correct choice is C.

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If 1 mile is equal to 1.61 kilometers, how many kilometers are there in 50 miles
Alik [6]

kilometers and miles are units used to measure distance.

1 mile is equal to 1.61 km

so if 1 mile is equivalent to 1.61 km

then to see how many kilometers are there in 50 miles we have to multiply 50 miles by 1.61 km/mile

therefore the number of km in miles is - 50 miles x 1.61 km/mile = 80.5 km

distance in km - 80.5 km

7 0
3 years ago
Read 2 more answers
Work out an expression, in terms of x, for the perimeter of the shape.<br> Simplify your answer.
sammy [17]

Answer:1+3x+9+x+8+2x= 6x+9

so =3(x+3)

Step-by-step explanation:

7 0
3 years ago
I need help pleaseeeee
Ira Lisetskai [31]
2.1 ÷ 1.488 = 1.41
1.41 rounded to the nearest tenth is 1.4
so your answer is 1.4
7 0
3 years ago
What is the sum of 26391 and 7298
Phoenix [80]

Answer:

..............

Step-by-step explanation:

33689

3 0
3 years ago
A number N is greater than 3. Which of the following best represents the location of 3N
Nesterboy [21]

Answer:

The second number line represent the location of 3N values.

Step-by-step explanation:

The first number line represent the inequality <em>N</em> > 3.

Now, the new number is 3<em>N</em>.

Consider the second number line values:

3N = {12, 15, 18, 21, ....}

The second number line represent the location of 3N values.

5 0
3 years ago
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