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KIM [24]
3 years ago
10

Alyana needs to buy a piece of glass to cover the top of a circular table. The table has a diameter of 24 inches. How much glass

is needed for the job? [Use pi = 3.14] *
Mathematics
1 answer:
Firdavs [7]3 years ago
6 0

Answer:

452.16 inches²

Step-by-step explanation:

→ Write circle area formula

π × r²

→ Substitute in the numbers

3.14 × 12²

→ Simplify

452.16 inches²

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Could someone help me, please?
k0ka [10]

We can rewrite the expression under the radical as

\dfrac{81}{16}a^8b^{12}c^{16}=\left(\dfrac32a^2b^3c^4\right)^4

then taking the fourth root, we get

\sqrt[4]{\left(\dfrac32a^2b^3c^4\right)^4}=\left|\dfrac32a^2b^3c^4\right|

Why the absolute value? It's for the same reason that

\sqrt{x^2}=|x|

since both (-x)^2 and x^2 return the same number x^2, and |x| captures both possibilities. From here, we have

\left|\dfrac32a^2b^3c^4\right|=\left|\dfrac32\right|\left|a^2\right|\left|b^3\right|\left|c^4\right|

The absolute values disappear on all but the b term because all of \dfrac32, a^2 and c^4 are positive, while b^3 could potentially be negative. So we end up with

\dfrac32a^2\left|b^3\right|c^4=\dfrac32a^2|b|^3c^4

3 0
3 years ago
What is the slope of the lines shown? *
Georgia [21]

Answer:

Slope= y=1/2x+6

Step-by-step explanation:

Hope it helps.

4 0
2 years ago
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You roll 2 six-sided dice. What is the probability of rolling a sum that is less
lubasha [3.4K]
The probability is 3/6 or 0.5 or 1/2.
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2 years ago
there are 4 red balls, 6 white balls, and 3 blue balls in a bag. if one ball is drawn from from the bag at random. what time is
Tom [10]
The probability is 7 out of 13
6 0
3 years ago
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Neporo4naja [7]
I got none of the above my answer is 1.6 BTUs/ft3. I did 400 x 8 x 3 for total BTUs = 9600 btus and the volume of the room was 20 x 30 x10 ft = 6000 cu ft so 9600/6000= 1.6 BTUs/ft3
6 0
2 years ago
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