Mathematics College

Please help!!
Imaginary Numbers

Please Help!!Imaginary Numbers

Answers

Answer 1

Answer:

A. 1

Step-by-step explanation:

its A

Related Questions

find the value of x. round to the nearest tenth if needed.

Answers

[tex]6^{2}+8^{2}=x^{2} \\36+64=x^{2} \\100=x^{2} \\x=10[/tex]

The radius of a circle measures 3 ft. What is the circumference of the circle?
Use 3.14 for 11, and do not round your answer. Be sure to include the correct unit in your answer.

Answers

Answer:

18.85

Step-by-step explanation:

adwadad

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. Suppose that the mean income is found to be $23.7 for a random sample of 4825 people. Assume the population standard deviation is known to be $11.2. Construct the 90% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.

Answers

The answer is 50%...

VERY EASY, WILL GIVE 50 POINTS FOR CORRECT ANSWER ASAP AND WILL GIVE BRAINLIEST.

Answers

Answer:

he action or condition of becoming or being made wider, larger, or more open.

Step-by-step explanation:

answer is d the longer answer

How to do subtract 1.7 from 3 show your work

Answers

3-1.7 = 1.3 this should be what your looking for

Lily has 3 dog toys that are red. One fifth of all her dog toys are red. How many dog toys does Lily have? Complete the explanation. Please I need help!!!!
​

Answers

Answer:

she has 15 dog toys

Step-by-step explanation:

mutlipy 3 by five because the top number is one

I need help with this noww

Answers

Answer:

B) 6/√3

Step-by-step explanation:

It’s a 30-60-90 triangle, so you take the 6 and divide it by the square root of three.

for brainliest!!! please help

Answers

Answer:

42º

Step-by-step explanation:

90-48=42

Answer:

[tex]42^{o}[/tex]

Step-by-step explanation:

The square angle indicates it is a right angle, which is [tex]90^{o}[/tex]

[tex]90^{o}[/tex] - [tex]48^{o}[/tex] = [tex]42^{o}[/tex]

What type of triangle is this if lengths of its sides are 37m, 24m, and 5m *​

Answers

Answer:

weird triangle

Step-by-step explanation:

Answer:

Scalene triangle

Step-by-step explanation:

Scalene triangle: If the length of all the sides of triangle have  different measurements then it is scalene triangle

Polygon STUV is reflected over the X axis and then over the Y axis to create WXYZ. Which of the following sides are congruent?

Answers

Answer:

ST and WX

Step-by-step explanation:

flipped around st and wx mathched

Answer:

ST and WX

Step-by-step explanation:

What will the function f(x) = x² look like translated 3
units right and 8 units down?

Answers

Answer:

it will look the same, just shifted.

Step-by-step explanation:

The parabola will be the same shape, size, etc., it will simply be in a different location. Instead of the bottom of the parabola being at (0,0), it will be at (3, -8). translated right 3, down 8.

The average daily maximum temperature for Shane’s hometown can be modeled by the function f(x)=12.2cos(πx6)+54.9, where f(x) is the temperature in °F and x is the month.

x = 0 corresponds to January.

What is the average daily maximum temperature in March?

Round to the nearest tenth of a degree if needed.

Answers

Answer:

The average daily maximum temperature in March is of 61 degrees.

Step-by-step explanation:

The average daily maximum temperature in his hometown in x months after January is given by:

[tex]f(x) = 12.2\cos{(\frac{\pi x}{6})} + 54.9[/tex]

What is the average daily maximum temperature in March?

March is 3 - 1 = 2 months after January, so this is f(2).

[tex]f(2) = 12.2\cos{(\frac{\pi*2}{6})} + 54.9 = 61[/tex]

The average daily maximum temperature in March is of 61 degrees.

Which property is illustrated by each equation?
a. a + (b + c) = (a + b) + C
b. ab
= ba
c. a (b + c) = ab + ac

Answers

Answer:

a. = associative

b. = communitive

c. = distributive

Sales volume last weekend for four samples, each consisting of five car dealerships, were as follows: Data Point 1 2 3 4 5 Sample 1 21 10 19 35 23 Sample 2 34 44 29 15 30 Sample 3 38 22 29 31 15 Sample 4 47 39 20 16 36 What is the mean of the distribution of sample means

Answers

Answer:

Mean of sample means = 22.12

Step-by-step explanation:

Data points     1     2     3     4     5        Sample mean

Sample 1         21    10   19    35   23         21.6

Sample 2        34   44   29   15   30         30.4

Sample 3        38   22   29   31   15          27

Sample 4         47   39    20  16   36         31.6

[tex]Mean of means = \frac{Sum of sample means}{No. of samples}[/tex]

                         [tex]=\frac{21.6 + 30.4 + 27 + 31.6 }{5} \\= 22.12[/tex]

Answer:

22.12

Step-by-step explanation:

Hope this helps

Help


See the picture

Answers

Answer:

38.63Step-by-step explanation:

Area x height

Answer:

SA = 12 mi²

Step-by-step explanation:

bottom = 2 x 2 = 4 mi²

one side = 1/2(2)(2) = 2 mi²

SA = 4(2) + 4 = 12 mi²

What is the next term in the sequence below?

0.35, 1.05, 3.15, 9.45, …
A. 15.75
B. 27.75
C. 28.35
D. 85.05

Answers

c
the answer is c because each number is the previous x3

Answer:

Its C

Step-by-step explanation:

its very easy just try it

Answers

the answer is a. biased

Answer:

it is biased

Step-by-step explanation:

You roll a 6-sided die.

What is P(factor of 27)?

A.1/9
B.1/5
C.5/9
D.1/3

Answers

Answer:

D

Step-by-step explanation:

because 1 is a factor of every number and also three is a factor of 27

* Question Completion Status:
QUESTION 3
Find the measure of the unknown angle of the triangle.
18
122


Answers

I’m going to assume the numbers are the other angles so..
Answer: 40 degrees

Why? Every triangles interior angles add up to be 180 so
180-122-18= 40

Which triangles are similar to triangle ABC ?

Answers

Answer:

both of em

Step-by-step explanation:

A simple closed figure bound by line segments is called polygon.


True or False?​

Answers

Answer:

A. True

Step-by-step explanation:

I majored in Mathematics

After painting 3/8 of a fence he finds that he has painted 15 feet

Answers

Answer:

whats the question? theres no context other than that little bit

Answer:

The fence is 40 feet long.

Step-by-step explanation:

I suppose the question is "What is the length of the entire fence?"

Formula

3/8 x = 15                     Multiply both sides by 8

8*(3/8)x = 15*8             Cancel

3x = 120                       Divide by 3

3x/3 = 120/3

x = 40

find the value of k if the roots
of 3x²-5x+k=0, differ by 2​

Answers

By the fundamental theorem of algebra, we can write the given quadratic in terms of its roots a and b as

3x ² - 5x + k = 3 (x - a) (x - b)

and upon expanding, we have

3x ² - 5x + k = 3x ² - (a + b) x + ab

Two polynomials are equivalent if their coefficients are equal, so

a + b = 5

ab = k

We're given that |a - b| = 2. If we assume a > b (that is, a is the larger root) then |a - b| = a - b = 2, or b = a - 2. Substitute this for b in the first equation above and solve for a :

a + (a - 2) = 5

2a - 2 = 5

2a = 7

a = 7/2

Solve for b :

b = 7/2 - 2

b = 3/2

Solve for k :

k = 7/2 × 3/2 = 21/4

Least common denominator in 1/30 + 1/24

Answers

Answer:

The LCD in 1/30 + 1/24 is 90.

help me!!!!!!!!!!!!!
8/7 ( x - 100/220) + 4 ( x + 8/9) = 38

Answers

X = 53/3762 I’m guessing!

if $5,250 is invested at 4.5% compounded monthly, what is the amount accumulated at the end of 10 years?

Answers

Answer:

In 10 years, you will have $793,789.89

Step-by-step explanation:

Counted with compound interest, i would need to know what was the initial but the answ is $793,789.89

Write the equation of the quadratic function shown in the graph.

Answers

Answer:

Step-by-step explanation:

y = a(x-h)² + k, where (h,k) is the vertex.

vertex is clearly (0,0), so y = ax².

Plug in (3,3)  and solve for a:

3 = a3²

a = ⅓

y = ⅓x²

PLS ANSWER QUICK, HELP

Answers

Answer:

1014 in

Step-by-step explanation:

(13 x 13) x 6 = 1014 in^3

Answer:

The answer should be A (676)

Step-by-step explanation:

What is y if x=6 eqaution=y=4x+5​

Answers

y=29 ! hope this helps

[(p^q)^r] is equivalent to [p^ (q^r)]​

Answers

Answer:

True

Step-by-step explanation:

Just write down the answer.

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