MATHEMATICS COLLEGE

If;= V-1, what is the value of ; i3?

-1
i
1
-i

Answers

Answer 1

Answer:

Answer:

A. -1

Step-by-step explanation:

hope this helps

Answer 2

Answer:

its i

jshsbsbbsnsnsnnsnene

Related Questions

Using the table of ordered pairs, which equation shows the linear relationship between the x and y values? ---- ---- x|y-2|2 1|5 3|7---- ----A. y = x + 4 B. y = -x C. y = x - 4 D. y = 4 - x
A king company requires 20 hours of labor to produce a standard table, and a chair requires 12 hours of labor. The labor available is 565 hours per week. The company can produce at most 35 chairs per week.The goal is to find the region that shows the number of tables and chairs that the company can produce in a week, based on the given restrictions. The first step is to represent the situation with a system of inequalities. Let x be the number of tables and y be the number of chairs.Which system of inequalities best represents this situation?please help and thank you!!
Find x. Round to the nearest tenth if needed.
5 (8 4) = (5 × 8) + (5 × 4)
Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day. It is found that 1% of the legitimate users originate calls from two or more metropolitan areas in a single day. However, 30% of fraudulent users originate calls from two or more metropolitan areas in a single day. The proportion of fraudulent users is 0.01%. If the same user originates calls from two or more metropolitan areas in a single day, what is the probability that the user is fraudulent?

Write an equation of a line that passes through (-3,1), perpendicular to Y=-3x-3

Answers

Answer:

Step-by-step explanation:

To be perpendicular, the product of the slope is -1.
(x,y) Substituting the coordinates.
y= 1/3(x+3) + 1
y= 1/3x +2

Answer:

your answer is correct

Step-by-step explanation:

the first one is the correct answer

If a recent survey shows that of the 600 parrot owners surveyed, 200 successfully trained their birds to say words, then out of a population of 1,500, people have trained their birds

Answers

Hello!

You first have to find the percentage of the tested group that trained their birds

200 / 600 = 0.333...

Multiply this by the amount of people

200/ 600 * 1500 = 500

The answer is 500 people

Hope this helps!

A person's blood pressure is monitored by taking 8 readings daily. The probability distribution of his reading had a mean of 129 and a standard deviation of 7. a. Each observation behaves as a random sample. Find the mean and the standard deviation of the sampling distribution of the sample mean for the eight observations each day. b. Suppose that the probability distribution of his blood pressure reading is normal. What is the shape of the sampling distribution? c. Refer to (b). Find the probability that the sample mean exceeds 140.

Answers

Answer:

a) $\mu_(\bar X)= 129$

$\sigma_(\bar X)= (7)/(√(8))=2.475$

b) If the distribution is normal then the sampling distribution would be bell shaped and normal

c) $P(\bar X >140)$

And we can use the z score formula given by:

$z =(\bar X -\mu)/(\sigma_(\bar X))$

And replacing we got:

$z =(140-129)/(2.475)= 4.44$

And then we can find the probability using the complement rule and the normal standard distribution or excel and we got:

$P(\bar X>140) = P(Z>4.44) =1-P(z<4.44) \approx 0$

Step-by-step explanation:

For this case we have the following info:

$n=8$ represent the sample size

$\bar X=129$ the sample mean

$s=7$ the standard deviation

Part a

If we assume that the distirbution is bell shaped then we can find the parameters like this:

$\mu_(\bar X)= 129$

$\sigma_(\bar X)= (7)/(√(8))=2.475$

Part b

If the distribution is normal then the sampling distribution would be bell shaped and normal

Part c

We want this probability:

$P(\bar X >140)$

And we can use the z score formula given by:

$z =(\bar X -\mu)/(\sigma_(\bar X))$

And replacing we got:

$z =(140-129)/(2.475)= 4.44$

And then we can find the probability using the complement rule and the normal standard distribution or excel and we got:

$P(\bar X>140) = P(Z>4.44) =1-P(z<4.44) \approx 0$

Solve this equation using the inverse operation: x + 8 = -5

Answers

Hey there!

x + 8 = -5

SUBTRACT 8 to BOTH SIDES

x + 8 - 8 = -5 - 8

CANCEL out: 8 - 8 because it give you 0

KEEP: -5 - 8 because it help solve for the x-value

NEW EQUATION: x = -5 - 8

SIMPLIFY IT!

x = -13

Therefore, your answer is: x =-13

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Answer:

$x=-13$

Step-by-step explanation:

We can subtract 8 from both sides.

$x+8=-5\n(x+8)-8=(-5)-8\nx=-13$

What is a rate in math?

Answers

Answer:

A rate is a ratio between two related quantities.

Step-by-step explanation:

Often, the rate has associated units. Often, the word "per" is used to separate the quantities of the ratio, as in "miles per hour" or "dollars per gallon". In this context, "per" means "divided by."

If the units of the quantities are the same, they cancel, and the rate is a "pure number" (a number with no units). A tax rate, for example, is some number of dollars per dollar, a pure number, often expressed as a percentage.

___

Unit rates

A "unit rate" is a rate in which one of the quantities is 1 unit. Usually, that is the denominator quantity. A rate that is not a unit rate can be made to be a unit rate by carrying out the division of the numbers.

For example, 3 dollars for 2 pounds ($3/(2#)) is expressed as the unit rate $1.50 per pound.

Some years ago, grocery stores began putting unit rates on price tags so that prices could be compared more easily (at least some of the time). Sometimes the comparison is complicated by different units being used for similar products.

___

Percentages

A percentage is the ratio of similar measurements, expressed with a denominator of 100. ("Cent" means "hundred" in "per cent.") The "/100" in the ratio is generally abbreviated as the symbol "%". Since the ratio is of quantities with similar units, it is a pure number.

Occasionally, you will find the idea of "percent" used to relate quantities that are measured differently. For example, a drug that has a concentration of x mg/(100 mL) may be specified as an x% solution.

The proportion of items of significantly different density may be specified either by weight or by volume. That is a mixture that is x% "by weight" may be y% "by volume" (x≠y). The choice of weight or volume will generally depend on the typical way an amount of the mixture is measured.

Answer:

Step-by-step explanation:

La tasa es un coeficiente que expresa la relación entre la cantidad y la frecuencia de un fenómeno o un grupo de números. Se utiliza para indicar la presencia de una situación que no puede ser medida en forma directa.

Pls hep

Solve the inequality.

Answers

Answer:

y > 9

Step-by-step explanation:

Given inequality:

$-6 > -(2)/(3)y$

To solve the given inequality, we need to isolate y on one side of the equation.

Begin by multiplying both sides of the inequality by 3 to eliminate the fraction on the right side:

$-6 \cdot 3 > -(2)/(3)y\cdot 3$

$-18 > -2y$

Now, divide both sides of the inequality by -8 to isolate y. Remember to reverse the inequality sign, as we are dividing by a negative number.

$(-18)/(-2) > (-2y)/(-2)$