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scoundrel [369]
3 years ago
13

QUESTION is in the picture

Mathematics
1 answer:
4vir4ik [10]3 years ago
8 0

Answer:

The answer in the media.Good luck!

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Solve the following system.<br> 1<br> v=()x2 + 2*<br> 2 + 2x-1 and 3x-y=1
icang [17]

Answer:

x = 1 + i, x = 1 - i

Step-by-step explanation:

Make the second equation y = 3x - 1

Substitute: 3x - 1 = 1/2x^2 + 2x

Simplify: 6x - 2 = x^2 + 4x

x^2 + 4x + 2 = 6x

x^2 - 2x + 2 = 0

Complete the square: x^2 - 2x + 1 = - 1

(x - 1)^2 = -1

x - 1 = ± √-1

Take out the negative: x - 1 = ± i

x = 1 + i, x = 1 - i

i is for imaginary number

8 0
3 years ago
Read 2 more answers
Incomes in a certain town are strongly right-skewed with mean $36,000 and standard deviation $7000. a random sample of 75 househ
Svet_ta [14]
Since the sample is greater than 10, we can approximate this binomial problem with a normal distribution.

First, calculate the z-score:

z = (x - μ) / σ = (37000 - 36000) / 7000 = 0.143

The probability P(x > 37000$) = 1 - P(<span>x < 37000$), 
therefore we need to look up at a normal distribution table in order to find 
P(z < 0.143) = 0.55567 
And 
</span>P(x > 37000$) = 1 - <span>0.55567 = 0.44433

Hence, there is a 44.4% probability that </span><span>the sample mean is greater than $37,000.</span>

4 0
4 years ago
Charmaine cutaway 3.65 meters of rope. Before that, she had 9 meters of rope. How much rope does Charmaine have left?
mihalych1998 [28]

Answer:

5.35

Step-by-step explanation:

9-3.65=5.35

4 0
3 years ago
If 30.943 g of a liquid occupies a space of 35.0 ml, what is the density of the liquid?
Marysya12 [62]

Answer:

0.88 g/cm³

Step-by-step explanation:

I hope this helps! and i think this is the most straightforward and I’m the first correct answer so could you please crown me as brainliest? :D

7 0
4 years ago
Y=mx+b solve for x.
Rus_ich [418]
You can't solve for x. Y=mx+b is slope intercept form and is used to graph equations
7 0
3 years ago
Read 2 more answers
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