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Anon25 [30]
2 years ago
8

What is the volume of a sphere if it has a radius of 3 centimeters? (Use 3.14 for TT.)

Mathematics
1 answer:
snow_tiger [21]2 years ago
4 0

Answer:

9.52

Step-by-step explanation:

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Please help - 30 points.<br> I will mark the best answer Brainliest.
shutvik [7]

Answer:

(1,3) IS YOUR ANSWER

6 0
2 years ago
What number is 32% of 1,000
Jlenok [28]
It is 320 because if you divide 1000 by 10, you would get 100 (which would be equal to 10% of 1000) So if you multiply 100x3=300. then, 2% of 100 is 20, so you add that to 300 then you 320

4 0
3 years ago
A candy box is made from a piece of cardboard that measures 23 by 13 inches. Squares of equal size will be cut out of each corne
wolverine [178]

Answer:

2.67 inches.

Step-by-step explanation:

Assuming that we represent the size of the squares with the letter y, such that after the squares are being cut from each corner, the rectangular length of the box that is formed can now be ( 23 - 2y), the width to be (13 - 2y) and the height be (x).

The formula for a rectangular box = L × B × W

= (23 -2y)(13-2y) (y)

= (299 - 46y - 26y + 4y²)y

= 299y - 72y² + 4y³

Now for the maximum volume:

dV/dy = 0

This implies that:

299y - 72y² + 4y³ = 299 - 144y + 12y² = 0

By using the quadratic formula; we have :

= \dfrac{-b \pm \sqrt{b^2 -4ac}}{2a}

where;

a = 12; b = -144 and c = 299

= \dfrac{-(-144) \pm \sqrt{(-144)^2 -4(12)(299)}}{2(12)}

= \dfrac{144 \pm \sqrt{20736 -14352}}{24}

= \dfrac{144 \pm \sqrt{6384}}{24}

= \dfrac{144 \pm79.90}{24}

= \dfrac{144 + 79.90}{24} \ \  OR  \ \   \dfrac{144 - 79.90}{24}

= 9.33 \ \  OR  \ \ 2.67

Since the width is 13 inches., it can't be possible for the size of the square to be cut to be 9.33

Thus, the size of the square to be cut out from each corner to obtain the maximum volume is 2.67 inches.

3 0
2 years ago
Which of the following is the correct congruency statement for the triangles?
BabaBlast [244]

Answer:

abc to rqp is the right ans

4 0
3 years ago
Casey had a list of the phone numbers in order from least to greatest which number can she add to the beginning of her list and
alexandr402 [8]
1/8 bc 2/6=1/3 and 1/8 is less than 1/3
4 0
2 years ago
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