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Nina [5.8K]
3 years ago
7

When solving a system of inequalities, which of the following methods are used? A.guess and check

Mathematics
1 answer:
yarga [219]3 years ago
7 0

Answer:

Option B - graphing is the correct answer.

Step-by-step explanation:

To solve a system of inequalities we need graphing. Inequality tells us about the relative size of two values. When we graph the x and y co-ordinates, the solution is not the drawn line, but the area of the coordinate plane that satisfies the inequality. In inequalities, multiple solutions can be possible.

Plug and chug method does not a complete solution, it only tells where a point belongs. Guess and check does not apply here.

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What is the solution to -55+q=7<br><br> A. a=-62<br><br> B. q=62<br><br> C. q=42<br><br> D. q=-42
Scorpion4ik [409]

Answer:

C, as q = 62.

Step-by-step explanation:

When you have an equation, your goal is to get the letter you are solving for alone. To do this, you employ a simple rule: what you do to one side of the equals sign, you must do the other.

To isolate q in -55 + q = 7, you must add 55 to the left side. q is now alone. However, because we added 55 to the left side, we must also do it to the right! 7 + 55 = 62, so the new right side is 62. Hence, we get to this:

q = 62

The answer is now in plain sight!

4 0
2 years ago
Read 2 more answers
How many zeros does this equation have?
anastassius [24]
I would say the answer is 2
7 0
3 years ago
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Lorenzo recorded the favorite food of the students in the class according to the results of the survey what percent of the stude
Darina [25.2K]

Answer:

40 %

Step-by-step explanation:

2 divided by 30 and you get .4 which is the same as 40%


Hope this helps :)

4 0
3 years ago
Use slopes and y-intercepts to determine if the lines y=−x2+14 and 3x−4y=−1 are parallel.
Keith_Richards [23]
Answer: the lines are not parallel.


Explanation: if you isolate the x in 3x^2-4y=-1, the equation is y=3/4x^2+1/4


So, they are not parallel because the slope is not the same.
7 0
3 years ago
Gompers is trying to cut a round pizza into the largest possible number of pieces with 3 straight cuts of the knife. He can't r
anzhelika [568]
<span>The first two cuts can intersect at only 1 pt regardless of where they are placed. So 4 pieces there. The last cut can only intersect each other cut a 1 pt, regardless of placement. As long as the intersection is different than the first intersection, then you will have 7 pieces.</span>
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3 years ago
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