Find all the solutions to z^4 = -4 in complex numbers.
The complex numbers should be a+bi, where a and b are real

Answer:

c

Step-by-step explanation:

30:14    The division isn’t proportional. 30/5 is 6 but 14/5 is not 4.

6.4

—————

30:14   Same here as above just now the 14 is proportional just not the 21.

21:7

—————

30:14     Finally! The 2nd ratio is twice the first!

60:28

Answer: hope this helps ♡

C. 60:28

Step-by-step explanation:

30:14

A. 6:4 → 30 ÷ 6 = 5 & 14 ÷ 4 = 3.5 (the answers aren't equal) 30:14 ≠ 6:4

B. 21:7 → 30 ÷ 21 = 1.4 & 14 ÷ 7 = 2 (the answers aren't equal) 30:14 ≠ 6:4

C. 60:28 → 30÷60 =0.5 & 14÷28 = 0.5 (the answers are equal) 30:14 = 60:28

Answer: Y = 3/8

Step-by-step explanation:

You can either use the rise/run method or subtract 2 points from the line to get the slope. You can do the rise/run method by starting at a point that is on the corner of the square and keep counting how many spaces you have to go until you get to the next even point. This number will be on the bottom, then count up until you get to that even point,this amount of spaces this takes will be on top. Since there are only 2 visible points on this graph,I will use the other method. You can use either the y1-y2/x1-x2 formula or do this

8,3

0,0

8,3  
Remember,the y goes on top! Our slope is 3/8,also since the y intercept is the orgin/0,0 we don't need to add it at the end. I hope this helps and wasn't too complicated!

y =  3/8(x) is the equation that represents the proportional relationship in this graph, for y in terms of x.

In mathematics, two sequences of numbers, frequently experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, known as the coefficient of proportionality or proportionality constant.

If corresponding elements in two sequences have a constant product—also known as the coefficient of proportionality—then the two sequences are inversely proportional.

This definition is frequently broadened to include associated varying amounts, also known as variables.

We can see that when y = 1.5, then x = 4

And when y = 3, x = 8

Putting the value in slope form

y - y1 = m(x - x1)

3 - 1.5 = m(8 - 4)

1.5 = m(4)

m = 1.5/4

m = 3/8

Now simply we put the value in y-intercept form

y - 3 = 3/8(x - 8)

y = 3/8(x) - 3 + 3

y =  3/8(x)

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Answer:

Maybe C because 0 is equal to 0 and 2 is equal to 8 so they are multiplying each number by 4

Answer:The mean goes up from approximately 80.4 to 82.

Step-by-step explanation:

Before adding 101°, the mean i2:

(58 + 61 + 71 + 77 + 91 + 100 + 105 + 102 + 95 + 82 + 66 + 57)/12 = 80.4

After adding the value 101°, the mean is:

(58 + 61 + 71 + 77 + 91 + 100 + 105 + 102 + 95 + 82 + 66 + 57 + 101)/13 = 82

The mean goes up from approximately 80.4 to 82.

Answer:

A. {y|−1≤ y ≤ 3}

Step-by-step explanation:

because

Answer:

Using linear interpolation on the interval [15,23] that would be

9.5 + (22-15)/(23-15) * (11.9-9.5) = 11.6

That is, since 22 is 7/8 of the way from 15 to 23, he should produce a value 7/8 of the way from 9.5 to 11.9

The correct answer is 11.9

I took the test, this is my third time answering this question.

I explained everything but all got erased, anyways the answer is 11.9

Answer : 1+1=2

Step-by-step explanation

1inch snow in am plus 1in snow in pm equals a total of 2in snow for that day.

Answer: 8 x 6

Step-by-step explanation 8 x 6

because both integers meet at 8 horizontally, ND 6 VERTICALLY. THEREFORE THE ANSWER IS 8 X 6

Answer:No matter what, the wind doesn't go to the volcanic areas.

Step-by-step explanation: notice that no matter what time, the wind never goes near the volcanoes. thats because the heat is pushing it away.

Answer:

Step-by-step explanation:

Wilson-70%, artholdi-90%, jonhson-70%, Garcia-60%, o'malley-90%

round each of them to the nearest whole percentage (nearest whole number).

Answer:

b 10:2 ,, c 15:3

Step-by-step explanation:

20:4 by dividing 4 from both sides you get the ratio

5 :1

so simplify the other ratios and find one that equals this one

A is already in simplest form 8:1

so it's refused

B 10:2 by dividing 2 from both sides you get the ratio 5 :1

C 15:3 by dividing 3 from both sides you get the ratio 5 :1

so both B and C are correct answers

Hope this helped! :)

Answer: C. [tex]\sqrt{875[/tex]

Step-by-step explanation:

use Pythagorean theorem [tex]a^{2}+b^{2}=c^{2}[/tex]

a=5 c=30 solve for b

[tex]25+b^2=900[/tex]

subtract 25 from both sides to get [tex]b^2 =875[/tex]

then square both sides to get [tex]\sqrt{875[/tex] for the length of the other leg

Answer:

6ft

Step-by-step explanation:

First you figure out 7/3 which is 2.3333333...

then do 14/2.33333333...

Answer:

Proportional

Step-by-step explanation:

The relationship is proportional because starting at (0,0) there's a constant rate between the number of plants and the number of roses. We can represent this proportional relationship as y=5x where k=5, the constant of proportionality.

The first number 49 or larger that is divisible by 3 is 51 (17 * 3 = 51) so begin at 51 and count by 3's until you get to 95:51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93The first number 49 or larger that is divisible by 6 is 54 (6 * 9 - 54) so begin at 54 and count by 6's until you get to 95:54, 60, 66, 72, 78, 84, 90The first number 49 or larger that is divisible by 9 is 54 (9 * 6 - 54) so begin at 54 and count by 9's until you get to 95:54, 63, 72, 81, 90Now look for the numbers that are in all three lists

Answer:

2:3

Step-by-step explanation:

Hallie's Donation : Mattie's Donation = 4:6

simplified, it is 2:3

Answer: It is the last graph you listed. y=1/4x+1 this means the slope is 1/4 and the y intercept is. The last graph matches this exact description.

Step-by-step explanation:

Answer:

Step-by-step explanation:

then you find the lcm of 7, multiple by 6^999 and divide by 4. Take your remainder and multiply by 3/4, then take your product and take it to the 6th power.

The equation of line shown in figure is,

⇒ y = x - 4

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

Given that;

Two points on the line are (4, 0) and (0, -4).

Now,

Since, The equation of line passes through the points (4, 0) and (0, -4).

So, We need to find the slope of the line.

Hence, Slope of the line is,

m = (y₂ - y₁) / (x₂ - x₁)

m = (- 4 - 0) / (0 - 4)

m = - 4 / -4

m = 1

Thus, The equation of line with slope 1 is,

⇒ y - 0 = 1 (x - 4)

⇒ y = x - 4

Therefore, The equation of line is,

⇒ y = x - 4

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Answer:

(A) 4.6 + (–5.9)

-1.3

(B) –4.4 + 6.2

1.8

(C) 2.1 + 0.5

2.6

(D) –3.8 + (–1.3)

-5.1

Answer:

To use mental math and the inverse property of addition to find the sum [5.5+(-2.3)] +(-5.5 + 2.3), you can use the following steps:

Rewrite the expression as [5.5+(-2.3)] +(-5.5) + 2.3.

Use the inverse property of addition to rewrite (-5.5) as 5.5, so the expression becomes [5.5+(-2.3)] +(5.5) + 2.3.

Use the inverse property of addition again to rewrite (-2.3) as 2.3, so the expression becomes [5.5+2.3] +(5.5) + 2.3.

Use the associative property of addition to rearrange the terms in the expression, so it becomes 5.5 + 2.3 + 5.5 + 2.3.

Use mental math to add the terms, which gives you a result of 15.8.

Therefore, the sum of [5.5+(-2.3)] +(-5.5 + 2.3) is 15.8.

Step-by-step explanation:

Answer: D) √116 units

Step-by-step explanation:

√(4^2 + 10^2) = 10.770
√116 = 10.770

Answer:

$47.25

Step-by-step explanation:

Add $6.75 7 times

Answer:

Step-by-step explanation: