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Elena L [17]
3 years ago
11

Type the correct answer in the box. Round your answer to the nearest hundredth.

Mathematics
1 answer:
AURORKA [14]3 years ago
4 0

Check the picture below.

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What is the solution to this system of linear equations?2x + y = 13x – y = –6(–1, 3)(1, –1)(2, 3)(5, 0)
worty [1.4K]

\underline{+\left\{\begin{array}{ccc}2x+y=1\\3x-y=-6\end{array}\right}\ \ \ \ |\text{add both sides of equations}\\.\ \ \ \ \ 5x=-5\ \ \ \ |:5\\.\ \ \ \ \ \ x=-1\\\\\text{put the value of x to the first equation}\\\\2(-1)+y=1\\-2+y=1\ \ \ |+2\\y=3\\\\\text{Answer:}\ (-1,\ 3)

5 0
3 years ago
Write the inequality to represent the graph.
Liono4ka [1.6K]

Answer:

x > -1

Step-by-step explanation:

Open circle so the sign is not inclusive. The point is at -1 and goes to the right so it is more than.

7 0
3 years ago
Are the equations correct? And how do you solve this completely?
irina [24]
Your equations are right. just use the substitution method to solve. substitute y because both have that on one side

it'll look like 40x+30=30x+60.
then just get x in one side. I showed my owrk in the photo

5 0
2 years ago
Read 2 more answers
Is anyone still in class, if you are can we do a troll? This is how it will work give me a zoom link, password, and meeting Id.
Anit [1.1K]

Answer:

Some zoom classes are designated for certain emails like my schools so I don't think it will work out like that.

Step-by-step explanation:

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

4 0
2 years ago
20 points and marked brainlyist help me ASAP
horsena [70]

Answer + Step-by-step explanation:

(a)

Check the attached image.

(b)

Range of sample means : 7.5 - 5.75 = 1.25

(c)

The closer the range of the sample means is to 0 ,

the more confident they can be in their estimate . \huge \checkmark

The farther the range of the sample means is from 0 ,

the more confident they can be in their estimate . 

The mean of the sample means will tend to be a better estimate

than a single sample mean . \huge \checkmark

A single sample mean will tend to be a better estimate

than the mean of the sample means .

5 0
2 years ago
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