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Soloha48 [4]
2 years ago
13

What is the solution to the system of equations below? 2x + 5y = 32

Mathematics
2 answers:
Gwar [14]2 years ago
4 0

Answer:

x = 16 -5/2y

Step-by-step explanation:

2x + 5y = 32

2x = 32 -5y

/2 /2

x = 16 -5/2y

DochEvi [55]2 years ago
3 0

Answer:

y= 2x/5 + 6.4

Step-by-step explanation:

divide both sides by 2x

5y = 2x + 32

divide both sides by 5

y = 2x/5 + 6.4

follow same step to solve for x except first divide by 5y instead of 2x

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PLEASE HELP WITH 37 IM MARKING BRAINLIEST TO THE CORRECT ANSWER
Maru [420]

Answer:

Infinitely many solutions

Step-by-step explanation:

-5.9x - 3.7y = -2.1

5.9x + 3.7y = 2.1

If we add these two equations together, -5.9x cancels out 5.9x, -3.7y cancels out 3.7y, and -2.1 cancels out 2.1.

This leaves us with:

0 = 0

Since this is true, that means there are infinite solutions.

5 0
3 years ago
Assume that 33.4% of people have sleepwalked. Assume that in a random sample of 1459 ​adults, 526 have sleepwalked.
lutik1710 [3]

Answer:

Step-by-step explanation:

Given that  33.4% of people have sleepwalked.

Sample size n =1459

Sample favourable persons = 526

Sample proportion p = \frac{526}{1459} \\=0.361

Sample proportion p is normal for large samples with mean = 0.334 and

std error = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.334(1-0.334)}{1459} } \\=0.0123

a) P(526 or more of the 1459 adults have sleepwalked.)

=P(p\geq 0.361)\\=P(Z\geq \frac{0.361-0.334}{0.0123} \\=P(Z\geq 2.20)\\=0.5-0.4861\\=0.0139

b) Yes, because hardly 1.4% is the probability

c) 33.4 is very less compared to the average.  Either sample should be improved representing the population or population mean should be increased accordingly.

7 0
2 years ago
John was given a math equation. He completed it in 5 seconds. Is his answer correct? If it is, show how he got the answer. Show
lutik1710 [3]

Answer:

His work is correct, easiest question in the world!LOL

Step-by-step explanation:

1+1= 2

5 0
3 years ago
Read 2 more answers
Plzzzzzzzzzzzzzzzzzzzzzzzzzzz in need help
scoundrel [369]

Answer:

I think it's C but I'm not too sure

3 0
3 years ago
Help me please I don’t know what to do my guy
anastassius [24]
I am guessing the answer is C.

since X seem to be a full 90-degree angle, and y is also 45 degrees.
5 0
3 years ago
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