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3 years ago

PLEASE SOMEONE HELP ME OUT which would be the correct equations and how do i solve it? I'll Mark the brainlelist !

Mathematics

2 answers:

sp2606 [1]3 years ago

7 0

Answer:

4 1/4

4 2/8

Step-by-step explanation:

1 7/8 + 2 3/8 = 4 1/4

4 1/4 = 4 2/8

MrMuchimi3 years ago

5 0

Hello from MrBillDoesMath!

Answer:

Choices 1, 2, and 4 are correct.

Discussion:

1 7/8 + 2 3/8 =

1 + 2 + ( 7/8 + 3/8) =

1 + 2 + 10/8 =

3 + (1 + 2/8) =

4 1/4

The first choice in the top row is precisely that value. (It is correct)

The second row is also correct as 34/8 = 17/4 = 4 1/4

The third choice is incorrect as the sum shown (4/8) = 1/2 not 4 1/4

The fourth choice is correct as 4 2/8 = 4 1/4

The fifth choice is incorrect as 3 21/8 = 3 + 2 + 5/8 <> 4 1/4

MrB

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Answer:

$Equation : \\(x+3)^2 + ( y -2)^2 = 36$

Step-by-step explanation:

For standard form the circle's equation we need the centre of the circle and the radius.

Step 1: Find the centre

If the centre is not given find the end points of the diameter

and then find the mid point.

Let the end points of the diameter be : ( - 3 , 8 ) and ( -3 , -4 )

The mid-point of the diameter is :

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Step 2 : Find radius

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Diameter is the distance between the end points ( -3 , 8) and ( -3 , -4 )

That is ,

$Diameter = \sqrt{(-3-(-3))^2 + ( -4 -8)^2}\\$

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Therefore ,

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Step 3 : Equation of the circle

Standard equation of the circle with centre ( h ,k )

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$(x - h)^2+(y -k)^2 = r^2$

Therefore, the equation of the circle with centre ( -3, 2)

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Answer:

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