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4 years ago

What is the absolute value of negative 3 1/2

Mathematics

2 answers:

torisob [31]4 years ago

3 0

Positive 3 1/2 .. absolute must always be positive

Wewaii [24]4 years ago

3 0

Answer:

3 1/2

Step-by-step explanation: the absolute value is how far the number is from zero therefore -3 1/2 absolute value is 31/2

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Find the center and radius of this circle.<br> x2 + y2 − 40x − 24y + 15 = 0

Julli [10]

ANSWER

Center: (20,12)

Radius:23

EXPLANATION

The given circle has equation:

${x}^{2} + {y}^{2} - 40x - 24y + 15 = 0$

We complete the square as follows:

${x}^{2} - 40x + {y}^{2} - 24y = - 15$

${x}^{2} - 40x + {( - 20)}^{2} + {y}^{2} - 24y + {( - 12)}^{2} = - 15+ {( - 20)}^{2}+ {( - 12)}^{2}$

${(x - 20)}^{2} + {(y - 12)}^{2} = - 15+ 400+ 144$

${(x - 20)}^{2} + {(y - 12)}^{2} = 529$

${(x - 20)}^{2} + {(y - 12)}^{2} = {23}^{2}$

Comparing this equation to:

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

We have

$(h,k)=(20,12)$

representing the center and

$r = 23$

being the radius.

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3 years ago

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dolphi86 [110]

Answer:

what do you need answers for

Step-by-step explanation:

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3 years ago

In right triangle ABC shown below, what is the length of BC?

valkas [14]

I’m pretty sure it’s 6

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3 years ago

Annie plants 6 rows of small flower bulbs in a garden. She plants 132 bulbs in each row. How many bulbs does Annie plant?

Maksim231197 [3]

She plants 792 bulbs

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3 years ago

Read 2 more answers

Uh does anyone know how to do this

gtnhenbr [62]

Answer:

Angle ABC =40º.

Step-by-step explanation:

We know that angle ABD = 70º. We also know that angle CBD= 30º . Therefore angle ABD - angle CBD will give us the measurement of angle ABC. 70º - 30º= 40º.

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