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4 years ago

What does this equal Y=6x 4x+y=7

Mathematics

1 answer:

Reil [10]4 years ago

5 0

Idk if you said that right? But y=24 if not message it again so I can understand it

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Plz hurry and help! I'm in a hurry!

juin [17]

Answer:

-7 - 8√3i

Step-by-step explanation:

Given

z₁ = 9 + 9√3i
z₂ = 2 + √3i

To find

z₂ - z₁

Solution

z₂ - z₁ =
2 + √3i - (9 + 9√3i) =
2 - 9 + √3i - 9√3i =
-7 + (1 - 9)√3i =
-7 - 8√3i

Second option is correct (you have selected it right)

4 0

3 years ago

Read 2 more answers

A blue whale, the largest mammal in the world, weighs 1.36 * 105 kilograms as an adult. An adult killer whale weighs about 4 * 1

sergejj [24]

Answer:

(1.36 × $10^{5}$ ) - (4 × $10^{3}$ ) = 132000kg

1.32 × $10^{5}$ kg = 1320000

7 0

3 years ago

Calculate the mean and median of each data set, and determine what type of distribution it has. Data Set 1 5 8 9 6 3 2 10 8 5 4

Bad White [126]

Answer:

Data Set 1:

Mean = 5.73

Median = 5

Data Set 2:

Mean = 5.34

Median = 5.64

Step-by-step explanation:

To find the mean, you need to add up all the data, and then divide this total by the number of values in the data.

Data Set 1:

5 + 8 + 9 + 6 + 3 + 2 + 10 + 8 + 5 + 4 + 3 = 63

There are 11 values, so you divide the total by 11:

63 ÷ 11 = 5.7272.. ≈ 5.73

Data Set 2:

8 + 7 + 3 + 2 + 4 + 6 + 2 + 7 + 4 + 9 + 6 + 5 + 5.27 + 6 + 5.73 + 5.55 = 85.55

There are 16 values, so you divide the total by 16:

85.55 ÷ 16 = 5.34

<h3>The Median:</h3>

To find the median, you need to put the values in order, then find the middle value. If there are two values in the middle then you find the mean of these two values.

Data Set 1:

The numbers in order:

2, 3, 3, 4, 5, (5), 6, 8, 8, 9, 10

The middle value is marked in brackets, and it is 5.

So the median is 5

Data Set 2:

2, 2, 3, 4, 4, 5, 5.27, (5.55, 5.73), 6, 6, 6, 7, 7, 8, 9

This time there are two values in the middle. They have been in brackets The median is found by calculating the mean of these two values:

(5.55 + 5.73) ÷ 2 = 5.64

So, the median is 5.64

-TheUnknownScientist 72

6 0

3 years ago

Circle C has a center at (-2,10) and contains the point P(10,5). Which equation represents circle C?

Rina8888 [55]

Answer:

The equation that represents circle C is $(x+2)^2+(y-10)^2=169$ .

Step-by-step explanation:

A circle is the set of all points in the plane which maintains a fixed finite distance r from a fixed point O = (a, b). Here O is called the center, and r is called the radius of that circle.

The standard equation for a circle with center (a, b) and radius r is

$(x-a)^2+(y-b)^2=r^2$