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SIZIF [17.4K]
3 years ago
8

In attempting to solve the system of equations y = 3x - 2 and 6x - 2y = 4, John graphed the two equations on his graphing calcul

ator. Because he saw only one line, John wrote the answer to the system is the empty set. Is he correct? Explain your answer.
Mathematics
1 answer:
ExtremeBDS [4]3 years ago
8 0

Answer:

He is not correct, the answer is All Real Numbers.

Step-by-step explanation:

When two lines are right on top of each other, the solution set is All Real Numbers that are on both lines because the solution set is the point(s) at which the lines overlap.

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100 POINTS FOR BRAINLIEST! according to the image, whats the answer? Answer wisely for the full 100
stepan [7]

Answer:

Step-by-step explanation:

1. To find the area of a semicircle the formula is

A=\frac{\pi r^2}{2} \\=\frac{\pi 1^2}{2} \\=6.283m^2

The square

A=a^2=2^2=4m^2\\6.283+4=10.283m^2

2. Triangle

A=\frac{ab}{2} \\=\frac{6*2.5}{2} \\=7.5m^2\\7.5*2=15m^2

Rectangle

A=wl=8*13=104m^2

104-15=89m^2

3.

Semicircle

A=\frac{\pi r^2}{2} \\=\frac{\pi 3^2}{2} \\\\=14.137m^2

Square

A=a^2=6^2=36

36-14.137=21.863m^2

3 0
3 years ago
Read 2 more answers
What is the value of x?
Alexus [3.1K]

Answer:

x = 22.5

Step-by-step explanation:

\frac{BH}{DH}  =  \frac{HM}{HT}  \\  \frac{6}{15 + 6}  =  \frac{9}{9 + x}  \\  \frac{6}{21}  =  \frac{9}{9 + x}  \\ 6(9 + x) = 9 \times 21 \\ 54 + 6x = 189 \\ 6x = 189 - 54 \\  6x = 135 \\ x =  \frac{135}{6}  \\ x = 22.5

5 0
3 years ago
Which of the following expressions represents the solution to -2x ≤ -10?
miv72 [106K]

x=4,3,2 or,1 are the possible

4 0
3 years ago
I’m really stuck<br> Can. Someone help?
const2013 [10]

Answer:

-2\leq x < 8

Step-by-step explanation:

Notice that the leftmost endpoint, 2, has a closed circle, which means that it is included in the inequality. Also, the rightmost endpoint, 8, has an open circle, which means that is NOT included in the inequality.

Because the inequality only includes what is between the two numbers, you write the inequality as -2\leq x < 8 to show that -2 is included and 8 is not included.

8 0
1 year ago
What is the width of a rectangle with length 5.5 cm and area 220 cm^2
Reika [66]
In the given question it is given that the length of the rectangle is 5.5 cm and the area of the rectangle is 220 cm^2.
Length of the rectangle = 5.5 cm
Area of the rectangle = 220 cm^2
Then we already know that
Area of a rectangle = Length * width
So Width of the rectangle = Area of the rectangle/ Length
                                           = 220/5.5
                                           = 2200/55
                                           = 40
So the width of the rectangle is 40 cm.<span>Hope  that you have got the answer you were looking for.

</span>


3 0
3 years ago
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