I need help please! I WILL MARK AS BRAINLIST
I need help please! I WILL MARK AS BRAINLIST - 1

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

eq. of circle with (x1,y1 ) and (x2,y2) as extremities of diameter is

(x-x1)(x-x2)+(y-y1)(y-y2)=0

(x+3)(x-1)+(y-5)(y-9)=0

x²+3x-x-3+y²-5y-9y+45=0

x²+2x-3+y²-14y+45=0

x²+2x+y²-14y+42=0

x²+2x+1+y²-14y+49=-42+1+49

(x+1)²+(y-7)²=8

(x-(-1))²+(y-7)²=8


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Find the general solution of the following equation. Express the solution explicitly as a function of the independent variable. x^2 dw/dx = √ w(2x+5)

Which graph of y= 3/4x-3​

Answers

Answer:

Graph A

Step-by-step explanation:

We can plug the function into a graphing calculator and check to see which graph matches up.

What is the length of the unknown side of the right triangle?

Answers

Answer:

Hypotenuse

Step-by-step explanation:

Answer:

L= the sum of the square root of the square of the opposite side and  the square of the base the triangle.

Step-by-step explanation:

Using Pythagorean Theorem :

the square of the hypotenuse= the square of the opposite side + the square of the base.

Please hurry need help

Answers

Answer:

-11

Step-by-step explanation:

( 1 0 3) + (4 1 7) The first entry of the resulting matrix is:

Answers

The first entry of the resultant matrix is 5 .

What is a Matrix ?

A matrix is a array of numbers or expressions used in mathematics to solve systems of equations .

The given matrix are 3 x 1 matrix

As they same number of rows and columns so addition can be done.

The resultant matrix is ( 5  1  10 )

The first entry of the resultant matrix is 5 .

To know more about Matrix

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Answer:

It's 5

Step-by-step explanation:

this is because all you really have to do is add 1+4 they just put it this way to be mean lol

A triangle has a base 5 cm and a height of 8 cm what is the area of the triangle

Answers

Answer:

20 cm

Step-by-step explanation:

Area of a triangle is base x height/2, so in this case its 5x8/2 which is 40/2 therefor making the answer 20

A quality control inspector has drawn a sample of 15 light bulbs from a recent production lot. Suppose that 60% of the bulbs in the lot are defective. What is the expected value of the number of defective bulbs in the sample

Answers

Answer:

9

Step-by-step explanation:

Expected number of defective is given as :

N x P = np

Where = number of the sample drawn from the production lot

P= percentage of bulbs In The lot which are defective

N = 15

P = 60% = 0.60

So when we do the multiplication,

We have:

NP = 15x0.60

= 9

So in conclusion the expected value of defective bulbs in the sample is 9.