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lorasvet [3.4K]
2 years ago
12

What is 3x + 2y = x + 2(2y-3z)

Mathematics
1 answer:
BARSIC [14]2 years ago
5 0
The person above is correct I just checked and the answer is y=x+3z
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Select all of the factors of x3 + 5x2 + 2x – 8.
Nikolay [14]

Answer:

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Step-by-step explanation:

that sounds like the best thing to do

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Marina86 [1]

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Step-by-step explanation:

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3 years ago
-(j-7)+3=5 what is j?
Fofino [41]
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7 0
2 years ago
If the discriminant is positive how many solutions are there
ddd [48]

Answer:

b^2-4ac>0 yields 2 real roots

Step-by-step explanation:

To find the number of real roots for a quadratic, we apply the discriminate. The discriminate is the inside portion of the square root from the quadratic formula.

• b^2-4ac>0 yields 2 real roots

• b^2-4ac=0 yields 1 real root

• [tx]b^2-4ac<0[/tex] yields no real roots

Example:

4x^2-7x+2=0 where a=4, b=-7, and c=2

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7 0
3 years ago
g Make a decision about the given claim. Use only the rare event​ rule, and make subjective estimates to determine whether event
vagabundo [1.1K]

Answer:

There is not sufficient evidence to support the claim.

Step-by-step explanation:

The claim to be tested is:

The mean respiration rate (in breaths per minute) of students in a large statistics class is less than 32.

To test this claim the hypothesis can be defined as follows:

<em>H₀</em>: The mean respiration rate of students is 32, i.e. <em>μ</em> = 32.

<em>Hₐ</em>: The mean respiration rate of students is less than 32, i.e. <em>μ</em> < 32.

The sample mean  respiration rate of students is 31.3.

According to the claim the sample mean is less than 32.

The sample mean value is not unusual if the claim is true, and the sample mean value is also not unusual if the claim is false.

Thus, there is not sufficient evidence to support the claim.

7 0
3 years ago
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