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2 years ago

A circle has a radius of 5/6 units and is centered at (3.6,7.8)

Mathematics

1 answer:

romanna [79]2 years ago

8 0

Answer:

(x-3.6)^2 + (y-7.8)^2 = (5/6)^2

Step-by-step explanation:

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Solve. (x + 3)^1/2– 1 = x

Natali [406]

Answer:

x=1

Step-by-step explanation:

$(x + 3) ^{ \frac{1}{2} } - 1 = x \\ \sqrt{x + 3} - 1 = x \\ \sqrt{x + 3} = x + 1 \\ square \: both \: sides \\ x + 3 = {x}^{2} + 2x + 1 \\ {x}^{2} + 2x - x + 1 - 3 = 0 \\ {x}^{2} + x - 2 = 0 \\ x ^{2} + 2x - x - 2 = 0 \\ (x^{2} + 2x) - (x + 2) = 0 \\ x(x + 2) - 1( x + 2) = 0 \\ (x - 1)(x + 2) = 0 \\ x - 1 = 0 \\ x = 1 \\ \\ \\ x + 2 = 0 \\ x = - 2$

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2 years ago

Convert 96.4% to a fraction in simplest form and a decimal.

GREYUIT [131]

Answer:

241/250

Step-by-step explanation:

5 0

2 years ago

Please solve a and b! Thanks.

Dvinal [7]

B.225/20 =11.25 prr hour
a.225/20=h

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2 years ago

An oak tree cast a shadow of 14 feet. A 30 foot flagpole casts a shadow of 60 how tall the Oak tree?

Alina [70]

Answer:

7 feet

Step-by-step explanation:

Oak tree = x

14 : x as 60 : 30

Simplify the right ratio

14 : x as 2:1

Get the same first number in both ratios by multiplying 2:1 by 7

14 : x as 2(7) + 1(7)

14 : x as 14 : 7

Since the first number in each ratio is the same, we know that that x and 7 are equal

x = 7

Hope this helps, feel free to let me know if you would like a further explanation :)

5 0

2 years ago

If f(x)=2x+5, then f(4) represents what

RSB [31]

<span>f(x)=2x+5
then
</span><span>f(4)=2(4) +5 = 8 + 5 = 13

hope it helps</span>

6 0

2 years ago