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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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How to calculate the are of a shape
Ira Lisetskai [31]
This can vary, some shapes have different area formulas, here are some basic formulas I can give you:
Circle: A = \pir^{2}Triangle: A = \frac{h_{b} b}{2}Square: A = a^{2}Rectangle: A = L*W
6 0
3 years ago
Which of the following is equal to the expression below?
aliina [53]

(8 x 320)^1/3

(2560)^1/3

(64*40)^1/3

64^1/3   *40^1/3

4 * (8^1/3) * 5^1/3

4 * 2 * 5^1/3

8 *5^1/3

None of your choices are written correctly

6 0
3 years ago
Read 2 more answers
If f(x) = {(2, 3), (4, 8), (7, –1)} and g(x) = {(8, 2), (–1, 4), (2, 7)}, find (f ◦ g)(x), if it exists.
zepelin [54]

Answer:

(f o g )(x) = {8, 3), (-1, 8), (2, -1)}

Step-by-step explanation:

(f o g)(x) = [f(g(x)]

g(8) = 2 and f(2) = 3  

g(-1) = 4  and f(4) = 8

g(2) = 7 and  f(7) = -1

So, (f o g )(x) = {8, 3), (-1, 8), (2, -1)}

8 0
3 years ago
Rene is going to the lake to visit some friends. If the lake is 60 miles away, and Rene is driving at 40 miles per hour the enti
andrew-mc [135]
40\ \frac{miles}{hour} \cdot \frac{1hour}{60minutes}  = \frac{40}{60}  = \frac{2}{3} \  \frac{ mile}{minute} \\ \\  Now \ that \ we \ have \ the \ speed \ in  \ \frac{ miles}{minute} , \ when \ we \  calculate \  the \ time,  \\ \\ it  \ will \ also \ be \ in \ minutes \\ \\
time = \frac{distance}{speed} \\ \\
time=\frac{60}{\frac{2}{3}}= 60 :\frac{2}{3}=  \not60 ^{30}  \cdot \frac{3}{\not2^1}= 90 \  minutes  \\ \\ Answer : \ Rene \ gets \ to \  the \  lake \ for \ 90 \ minutes
7 0
3 years ago
Read 2 more answers
HURRY!
velikii [3]

As you missed to add the diagram. After a little research, I was able to find the diagram, and hence, I am answering based on that diagram which anyways would clear your concepts. Diagram is also attached below.

Answer:

q ∧ p represents the region B.

Step-by-step explanation:

From the attached diagram, it is clear that

  • the region B includes the area which commonly lies both in p AND q at the same time.
  • In other words, B displays the region in which both p AND q are true.

Here is the truth table

<h3>p          q          q ∧ p</h3>

T           T             T <em>   </em>

T            F            F

F            T            F

F            F            F

Therefore, q ∧ p represents the region B.

Keywords: truth table, AND operation

Learn more about truth table and orations from brainly.com/question/12674143

#learnwithBrainly

4 0
3 years ago
Read 2 more answers
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