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2 years ago

What is the value of x in the equation , when y = 3?

Mathematics

2 answers:

Agata [3.3K]2 years ago

6 0

Answer:

show the equation plss for me to answer.

Step-by-step explanation:

comment down the equation

kow [346]2 years ago

3 0

Answer:

-∞ <=x<=∞

(Any value from -∞ to ∞)

Step-by-step explanation:

When y = 3,

x can be any value between -infinite to infinite

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Simplify the expression below as much as possible (6-i)+(4+2i)-(-2+i)

Luba_88 [7]

Answer:

=6-i+4+2i+2-i

=6+4+2+2i-i-i

=12+2i-2i

=12

4 0

2 years ago

Vinny is interviewing for a job. He wants his take-home pay to be at least $42,000 . What is the least salary he can earn if he

marshall27 [118]

To compute the 25% income tax
$42,000 x 25 / 100 = $10,500
the least salary he can earn will be
$42,000- $10,500 =$31,500

6 0

3 years ago

Assume that adults were randomly selected for a poll. They were asked if they "favor or oppose using federal tax dollars to fund

ser-zykov [4K]

Testing the hypothesis, it is found that since the p-value of the test is 0.0042 < 0.01, it can be concluded that the proportion of subjects who respond in favor is different of 0.5.

At the null hypothesis, it is tested if the proportion is of 0.5, that is:

$H_0: p = 0.5$

At the alternative hypothesis, it is tested if the proportion is different of 0.5, that is:

$H_1: p \neq 0.5$

The test statistic is given by:

$z = \frac{\overline{p} - p}{\sqrt{\frac{p(1 - p)}{n}}}$

In which:

$\overline{p}$ is the sample proportion.
p is the value tested at the null hypothesis.
n is the sample size.

In this problem, the parameters are given by:

$p = 0.5, n = 483 + 398 = 881, \overline{p} = \frac{483}{881} = 0.5482$

The value of the test statistic is:

$z = \frac{\overline{p} - p}{\sqrt{\frac{p(1 - p)}{n}}}$

$z = \frac{0.5482 - 0.5}{\sqrt{\frac{0.5(0.5)}{881}}}$

$z = 2.86$

Since we have a two-tailed test(test if the proportion is different of a value), the p-value of the test is P(|z| > 2.86), which is 2 multiplied by the p-value of z = -2.86.

Looking at the z-table, z = -2.86 has a p-value of 0.0021.

2(0.0021) = 0.0042

Since the p-value of the test is 0.0042 < 0.01, it can be concluded that the proportion of subjects who respond in favor is different of 0.5.

A similar problem is given at brainly.com/question/24330815

3 0

2 years ago

Use estimation to solve 2, 697/9

kotegsom [21]

300 is the best answer plse make me brainliest

5 0

3 years ago

Faith paid $25.10 for a newspaper ad. The newspaper charged $5.02 for 3 lines of print. How many lines was the ad?

adell [148]

The ad was around 15 lines.
25.10/5.02 = 5
and then 5 * 3 = 15 lines

3 0

3 years ago

Read 2 more answers