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LenaWriter [7]
2 years ago
8

Wesley makes spherical fish tanks with a diameter of 30\text{ cm}30 cm30, start text, space, c, m, end text. A customer requests

a smaller tank with half the volume of the tank that Wesley usually makes.
What is the approximate diameter of the smaller tank?
Mathematics
2 answers:
vlada-n [284]2 years ago
4 0

v = 4/3 pi r cube

v =4/3 pi r (15) cube

v=4500 pi

v= 45000 pi /2=4/3pi r cube

1687.5=r cube

r =11.9

d =23.8

ans =23.8

zysi [14]2 years ago
3 0

Answer: 23.8

Step-by-step explanation: Khan Academy

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Ksenya-84 [330]
A B D I’m pretty sure. Median is 3 or more and range just doesn’t make sense for 2 numbers
8 0
3 years ago
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Witch has a greater absolute value 33 dollars and -52 dollars
lakkis [162]

Answer:

-52

Step-by-step explanation:

the absolute value is always positive and so 33 would remain 33, but -52 would change to 52 which is greater than 33.

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2 years ago
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What is the slope of the line that contains the coordinate points (8, -3) and (-2, 7)
kotykmax [81]
To find the slope of a line given the coordinates of two points, you should use the formula, Slope=y2-y1/x2-x1.

To find the slope of a line which contains the coordinates (8,-3) and (-2,7), you should substitute them into the previous mention formula.

Slope=y2-y1/x2-x1
Slope=(7--3)/(-2-8)
Slope=(10)/(-10)
Slope=-1

The slope of the line which contains the coordinates (8,-3) and (-2,7) is -1 or in other words letter A from the given choices.

8 0
3 years ago
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A sketch artist sells on demand portraits and name doodles at the state fair. The artist has a personal maximum of 40 creations
MakcuM [25]

Answer:

profit will be maximized by making 20 doodles and 20 paintings = ($10 x 20) + ($20 x 20) = $600

Step-by-step explanation:

we have to maximize the following equation:

$10P + $20D

where:

P = number of portraits

D = number of doodles

the constraints are:

P + D ≤ 40

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D ≤ 20

we do not need to use solver or any other type of linear programming tool to solve this, since profit will be maximized by making 20 doodles and 20 paintings = ($10 x 20) + ($20 x 20) = $600

8 0
3 years ago
Jerry and Carlos each have $1,000 and are trying to increase their savings. Jerry will keep his money at home and add $50 per mo
8_murik_8 [283]

Answer:

Jerry has a better saving plan for increasing his savings than Carlos

Step-by-step explanation:

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Carlos initial principal = $1000

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$50 x 6 = $300 as interest

This means that at the end of 6 months, Jerry would have $1,300 dollars at home

For Carlos the interest rate is 4% per year compounded monthly

If we calculate his interest per month we have:

Interest = 1000 x 4/(100 x 12) = $3.33

2nd month = 1003.33 x 4/(100 x 12) = $3.34

3rd month = 1006.68 x 4/(100 x 12) = $3.36

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At the end of 6 month, Carlos would have $1020.18 in the bank

Hence, Jerry has a better saving plan for increasing his savings than Carlos

8 0
3 years ago
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