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VMariaS [17]
3 years ago
13

The diameter, D, of a sphere is 15.2m. Calculate the sphere's volume, V.

Mathematics
1 answer:
Lena [83]3 years ago
5 0
Using the formula:
V= 1/6 πd^3
V ≈ 1838.78
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(a^-1)^-3.(-a^2)^-1.[-(-a)^2]^-1 what is the result of ?
Alex17521 [72]

Answer:

the result should be 1 over a 1/a

Step-by-step explanation:

5 0
2 years ago
4.3/2.5 = x/4 what is the proportion
Inga [223]
X/4 = 4.3/2.5
x/4 = 1.72
x = 1.72 x 4
x = 6.88
7 0
2 years ago
90 to the nearest tenth
melamori03 [73]

Answer:

90

Step-by-step explanation:

<em>Hey there!</em>

Well 90.000 to the nearest tenth is just 90 because there is no decimal places to round.

<em>Hope this helps :)</em>

7 0
2 years ago
Read 2 more answers
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
sergiy2304 [10]

Answer:

The measure of angle θ is 7π/6. The measure of its reference angle is  <u>210°</u>

and sin θ is​ <u>-1/2</u>.

Step-by-step explanation:

The correct question is:

<em>The measure of angle θ is 7π/6. The measure of its reference angle is  ___</em>

<em>and sin θ is​ ___</em>

180° is equivalent to π radians. To transform 7π/6 radians to degrees, we have to use the following proportion:

180° / π radians = x° / (7π/6 radians)

x = (180/π) * (7π/6 radians)

x = 210°

And sin(210°) = -1/2

6 0
3 years ago
Use quadratic regression to find
Rashid [163]

The quadratic equation is given by:

y = 3x² + 10x - 8

The standard equation of a parabola is given by:

y = ax² + bx + c

Where a, b, c are constants

At point (4, 80):

80 = a(4)² + b(4) + c

16a + 4b + c = 80     (1)

At point (-3, -11):

-11 = a(-3)² + b(-3) + c

9a - 3b + c = -11     (2)

At point (-1, -15):

-15 = a(-1)² + b(-1) + c

a - b + c = -15     (3)

Solving equations 1, 2 and 3 simultaneously gives:

a = 3, b = 10, c = -8

Therefore the quadratic equation becomes:

y = 3x² + 10x - 8

Find out more on quadratic equation at: brainly.com/question/1214333

8 0
2 years ago
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