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Serggg [28]
3 years ago
12

Which of the folowing pairs of circles have i as a common internal target select all that apply

Mathematics
1 answer:
MakcuM [25]3 years ago
6 0

Answer: pic of the question?

Step-by-step explanation:

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What is the probability that a randomly selected number from 30 to 61 is divisible by 7 and then divisible by 20 after replacing
devlian [24]
Probability is zero. no solution
7 0
3 years ago
What is the solution of the equation when solved over the complex numbers?
kumpel [21]

Answer:

x=+i\sqrt{20}\approx+4.472i

x=-i\sqrt{20}\approx-4.472i

Step-by-step explanation:

Starting from x^2+20=0, we do x^2=-20, which means x=\pm\sqrt{-20}, which can be written as x=\pm\sqrt{(-1)(20)}, which gives us x=\pm\sqrt{(-1)}\sqrt{(20)}, which we know is x=\pm i \sqrt{(20)}, so our solutions are:

x=+i\sqrt{(20)}

x=-i\sqrt{(20)}

Which can be approximated to:

x\approx+4.472i

x\approx-4.472i

3 0
3 years ago
The diagram shows the straight line which passes through the points (0, 1) and (3, 13).
Damm [24]

Answer:

y=4x+1

Step-by-step explanation:

First find the gradient of the straight line

Then substitute the gradient in the formula y=mx+c.

Substitute one of the given coordinates in the line to find the value of c.

After finding the value of c substitute it in the formula but do not write the values of x and y in the formula

5 0
2 years ago
Whats the awnser to the image that is selected?????
VikaD [51]

Answer:

30 units

Step-by-step explanation:

In order to find the length of the 3rd side of the triangle, the hypotenuse, you can use the Pythagorean Theorem. Using this method, you get 5^2+12^2=169. The square root of 169 is 13.

5 + 12 + 13 = 30 units.

7 0
1 year ago
Which phrases can be represented by the algebraic expression x + 14? Select three options.
Snezhnost [94]

Answer:

a number plus 14

fourteen more than a number

a number increased by 14

Step-by-step explanation:

The phrases which can be represented by the algebraic expression x + 14 are

Let x = the unknown number

a number plus 14

= x + 14

fourteen more than a number

= x + 14

a number increased by 14

x + 14

4 0
2 years ago
Read 2 more answers
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