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avanturin [10]
3 years ago
11

How do you solve for X?​

Mathematics
2 answers:
andriy [413]3 years ago
8 0
Equalizw the denominators so that the nominators will be equal in this wat sonyou can find the value of x if you want i can solve it
Paladinen [302]3 years ago
8 0

Cross multiply. It is easier.

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Find the equation of the line with a slope of 12 that passes through the point (3, -1)
Anon25 [30]

Answer:

y = 12x - 37

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

here m = 12, thus

y = 12x + c ← is the partial equation

To find c substitute (3, - 1) into the partial equation

- 1 = 36 + c ⇒ c = - 1 - 36 = - 37

y = 12x - 37 ← is the equation of the line

3 0
3 years ago
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Please help!!! Asap plz
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What i cn help with isto calm down becaus ether eis nothing there so CALM down
4 0
3 years ago
Employees from A and company B receive annual bonuses. What information would you need to test the claim that the difference in
lyudmila [28]

Answer:

1. The required information are

The average annual bonuses, \bar {x}_1 received by employees from company A

The average annual bonuses, \bar {x}_2 received by employees from company B

The standard deviation, σ₁, of the average annual bonuses for employees from company A

The standard deviation, σ₂, of the average annual bonuses for employees from company A

The number of employees in company A, n₁

The number of employees in company B, n₂

2. The null hypothesis is H₀: \bar {x}_1 - \bar {x}_2 ≤ 100

The alternative hypothesis is Hₐ: \bar {x}_1 - \bar {x}_2 > 100

Step-by-step explanation:

1. The required information are

The average annual bonuses, \bar {x}_1 received by employees from company A

The average annual bonuses, \bar {x}_2 received by employees from company B

The standard deviation, σ₁, of the average annual bonuses for employees from company A

The standard deviation, σ₂, of the average annual bonuses for employees from company A

The number of employees in company A, n₁

The number of employees in company B, n₂

2. The null hypothesis is H₀: \bar {x}_1 - \bar {x}_2 ≤ 100

The alternative hypothesis is Hₐ: \bar {x}_1 - \bar {x}_2 > 100

The z value for the hypothesis testing of the difference between two means is given as follows;

z=\dfrac{(\bar{x}_{1}-\bar{x}_{2})}{\sqrt{\frac{\sigma_{1}^{2} }{n_{1}}-\frac{\sigma _{2}^{2}}{n_{2}}}}

At 0.5 level of significance, the critical z_\alpha = ± 0

The rejection region is z > z_\alpha and z < -z_\alpha

Therefore, the value of z obtained from the relation above more than or less than 0, we reject the null hypothesis, and we fail to reject the alternative hypothesis.

7 0
3 years ago
Tell me if its a function or not plz help its due today am giving brainliest ppppppppppllllllzzzzzz
irina1246 [14]

Answer:

#1 is a function, #2 is a function, #3 is not a function, #4 is a function

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need help with this question please, answers are a= 2, b= -1. Will report inappropriate answers/ incorrect answers thank you
Sergio [31]
Can’t see the picture properly! :((((((((
4 0
3 years ago
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