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3 years ago

How to convert 87 24/25 into a decimal

1 answer:

5 0

87 is a whole number and is the larger one so your answer is going to be 87 something. Decimals are always based on 100% so 25 x 4 = 100 as well as 24 x 4 is 96. This make it 87 and 96/100. In decimal form, The number would look like this : 87.96

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Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

Jet001 [13]

The Geometric Sequence Formula:

$a_n=a_1r^{n-1}$

We have:

$a_1=-2,\ a_2=8,\ a_3=-32,\ a_4=128,\ ...$

$d=\dfrac{a_{n+1}}{a_n}\to d=\dfrac{8}{-2}=-4$

Substitute:

$a_n=-22\cdot(-4)^{n-1}=-22\cdot(-4)^n\cdot(-4)^{-1}=-22\cdot(-4)^n\cdot\left(-\dfrac{1}{4}\right)=5.5(-4)^n$

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3 years ago

Read 2 more answers

What number is 150% more than 2/3

Stella [2.4K]

Answer:

4.5

Step-by-step explanation:

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3 years ago

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What is the answer to 4x-7=-271

Irina-Kira [14]

Answer:

-66

Step-by-step explanation:

you have to add 7 to both sides which leaves you with 4x=-264.

Now you divide -264/4 which gets you to x=-66

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3 years ago

5. Find the equation of a circle whose center is at (5, -8) and radius 8.

Brums [2.3K]

Answer:

$x^{2} + y^{2} -10x -16y + 39$

<u>Step-by-step explanation:-</u>

The equation used to find the equation of circle is :-

$(x-a)^{2} + (y-b)^{2} = radius^{2}$

'a' means the x coordinate of the circle, 'b' means y coordinate of the circle.

In the question, it's given that the coordinates of the circle are (5, -8) and radius is 8cm.

So, 'a' will be 5 and 'b' will be -8

So,

$(x-5)^{2} + (y--8)^{2} = 8^{2}$

$(x-5)^{2} + (y+8)^{2} = 64$

$x^{2} - 10x + 25 + y^{2} - 16y + 64$

$x^{2} + y^{2} -10x -16y + 64 - 25$

= $x^{2} + y^{2} -10x -16y + 39$

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3 years ago

What is 0 + y, when y = -11<br> 6

tatiyna

Answer:

-1106

Step-by-step explanation:

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3 years ago