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olya-2409 [2.1K]
3 years ago
8

Help!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Gala2k [10]3 years ago
5 0
0.21m is the answer to this question good luck hun <3
erma4kov [3.2K]3 years ago
4 0

0.21 m

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

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

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

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Which statements about the system are true?
Kruka [31]

2 Answers:

  • B)  The lines are parallel
  • C)  The lines have the same slope.

Parallel lines always have equal slope, but different y intercepts.

==========================================================

Explanation:

Let's solve the second equation for y

3y - x = -7

3y = -7+x

3y = x-7

y = (x-7)/3

y = x/3 - 7/3

y = (1/3)x - 7/3

The equation is in y = mx+b form with m = 1/3 as the slope and b = -7/3 as the y intercept. We see that the first equation, where y was already isolated, also has a slope of m = 1/3. The two equations of this system have the same slope. Choice C is one of the answers.

However, they don't have the same y intercept. The first equation has y intercept b = -4, while the second has b = -7/3. This means that they do not represent the same line. They need to have identical slopes, and identical y intercepts (though the slope can be different from the y intercept of course) in order to have identical lines. So we can rule out choice D and E because of this.

Because the two equations have the same slope, but different y intercepts, this means the lines are parallel. Choice B is the other answer.

Parallel lines never touch or intersect, which in turn means there is no solution point. A solution point is where the lines cross. We can rule out choice A.

I recommend using your graphing calculator, Desmos, GeoGebra, or any graphing tool (on your computer or online) to graph each equation given. You should see two parallel lines forming. I used GeoGebra to make the graph shown below.

5 0
3 years ago
What’s the answer to this
ryzh [129]

Answer:

  see below

Step-by-step explanation:

The graph extends to the left more or less horizontally, approaching the line y=3. The only choice that expresses that is the third one.

7 0
3 years ago
Pls help need help ASAP 50 points you will be reported if the answer is wrong
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Answer:

Part A = 10in = 35 ft

= 20 = 70 ft

Part B =

$ 178.5

Step-by-step explanation:

4 0
3 years ago
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Pepsi [2]
Without more information, I assume it's a square and it's w/l =6.5 cm
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Ten is the ___ of two and five.
neonofarm [45]

Answer:

product

Step-by-step explanation:

8 0
2 years ago
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