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3 years ago

This is due in about a hour so yea help me pls

Mathematics

2 answers:

Ganezh [65]3 years ago

6 0

Answer: whats your question

Step-by-step explanation:

Brilliant_brown [7]3 years ago

5 0

Answer:

What's the question? TELL ME

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Which of the following is an equation of the circle with a center at (-1,4) and a radius of 2√5 units? plss pahelp naman

Ksivusya [100]

Answer:

Option A

Step-by-step explanation:

The standard form of an equation of a circle is represented by the formula $(x-h)^2+(y-k)^2 = r^2$ . Remember that $(h,k)$ is the center and $r^2$ is the radius squared.

So, the equation of the circle must be $(x+1)^2 +(y-4)^2 = 20$ . Complete the square to change the form of the equations listed in the options and find the one that is equal.

Let's try this with option A. Move the constants to the right side, then use the completing the square method to place the equation in standard form:

$x^2 + y^2 +2x -8y -3 = 0\\x^2 + y^2 +2x-8y = 3\\x^2 + 2x +y^2-8y = 3\\(x^2 +2x+1)+(y^2-8y +16)=3+1+16\\(x+1)^2 + (y-4)^2=20$

The end result matches with the equation determined before, so option A is the answer.

8 0

3 years ago

Independent Practice

Sedbober [7]

Answer: THE ANSWER IS D. (-27, -7, -2, 8, 48)

Step-by-step explanation:

Graph.

y = 5 x − 2

{ − 5 , − 1 , 0 , 2 , 10 }

The chosen topic is not meant for use with this type of problem. Try the examples below.

1 , 2 , 2 , 2 , 3 , 4 , 4 , 5 , 8 , 9 , 10

11 , 14 , 14 , 17 , 17 , 17 , 41 , 44 , 47 , 71 , 74 , 77

12 , 15 , 45 , 65 , 78

5 0

3 years ago

Solve the quadratic equation: 2 + 4 = 0

dalvyx [7]

Answers is 6=0 I think.

$2 + 4 = 0 \\ 6 = 0$

8 0

3 years ago

Wooden boxes are commonly used for the packaging and transportation of mangoes. A convenience store regularly buys mangoes from

mihalych1998 [28]

Answer:

Step-by-step explanation:

Given that a convenience store regularly buys mangoes from a wholesale dealer. For every shipment, the manager randomly inspects five mangoes from a box containing 20 mangoes for damages due to transportation. Suppose the chosen box contains exactly 2 damaged mangoes.

In the selected box 18 good mangoes and 2 damaged mangoes are there

a) Find the probability that the first mango is not damaged.

= prob of selecting 1 from any one of 18 good mangoes = $\frac{18}{20} =0.90$