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MatroZZZ [7]
2 years ago
7

2. Which of the following is frue about the solution to the system of equations below? 2x + 4y = 9 2x + 4y = -9 A. The system ha

s no solution. B. The system has infinitely many solutions. The system has one solution. D. None of the above.​
Mathematics
1 answer:
Lubov Fominskaja [6]2 years ago
3 0

Answer:

Step-by-step explanation:

B. The system has infinitely many solutions. The system has one solution.

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What is the value of x?
denis-greek [22]

Answer:

12

Step-by-step explanation:

4 0
3 years ago
What is the formula for calculating the area of a circle.
Tom [10]

Answer:

A=\pi\times r^2

Step-by-step explanation:

In order to find the area of a circle we multiply π by the radius, and to find the radius of a circle we have to look at the line that stops directly in the middle of the circle.

\pi\times r


Once we then have the radius, we simply multiply the radius, (with an exponent of 2) by π and then we will have our answer. Of course, round if needed.

A=\pi\times r^2

Hope this helps.

6 0
3 years ago
I was reading a book of 560 pages. On Sunday, I was able to finish 1/4pages of the book. How many pages do I read on Sunday?
kolbaska11 [484]

Answer:

140

Step-by-step explanation:

560. 1

____. ÷. ______

1. 4

Cross out the numbers that are divisible

560/4 = 140

5 0
2 years ago
- 3x + 4 and passes through the point (2,5)
Anuta_ua [19.1K]

Answer:

y=(x+13)/3

Step-by-step explanation:

the question is not quite clear, i think u mean y= -3x + 4

then, the slope of the line perpendicular to the given line is m1.m2= -1, hence, -3.m2= -1 m2 = 1/3

y-5=1/3(x-2) y=x/3+13/3 or y=(x+13)/3

6 0
3 years ago
Simplify the expression.<br><br><br> 5(2) + 2(4 + 3)<br><br> 21<br> 24<br> 84<br> 140
Leona [35]

Answer:

24

Step-by-step explanation:

5(2) + 2(4 + 3)

5 x 2 + 2 x 7

10 + 14 = 24

Here you go! :D

7 0
3 years ago
Read 2 more answers
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