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antoniya [11.8K]
3 years ago
11

Pleaseeee helppppppp meeeeeeeeeee pleaseeee dontttttt guesssss

Mathematics
1 answer:
lora16 [44]3 years ago
6 0
D an expression for addition is increase
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The main show tank has a radius of 70 feet and forms a quarter sphere what is the volume of the quarter sphere shaped tank?
Usimov [2.4K]

Answer:

359333.33\textrm{ }ft^{3}

Step-by-step explanation:

Given:

Radius of spherical tank, r=70\textrm{ ft}

Volume of a quarter of a sphere is given as:

V=\frac{1}{3}\pi r^{3}

Plug in 70 ft for r, \frac{22}{7} for \pi and solve for the volume, V. This gives,

V=\frac{1}{3}\pi r^{3}\\\\ V=\frac{1}{3}\times \frac{22}{7}\times (70)^{3}\\\\ V=359333.33\textrm{ }ft^{3}

Therefore, the volume of the quarter sphere shaped tank is 359333.33\textrm{ }ft^{3}

4 0
4 years ago
Kelly was building a bed for her dollhouse. She used her bed, which is 4 feet × 6 feet, as a guide. She scaled down the dimensio
never [62]
A cause 4 divide by 5 is .8 and 6 divide by 5 is 1.2
4 0
4 years ago
Read 2 more answers
Estimate 39 x 52 divided by 3.8 x 4.9
fomenos
 estimate = (40 * 50) / (4 * 5)
  
=  2000 / 20  = 100 (answer)
7 0
4 years ago
2. A line goes through the points (8, 9) and (-2, 4).
Scrat [10]

Answer:

Step-by-step explanation:

A line goes through the points (-2, 4) and (8, 9).  We see that x increases by 10 and y increases by 5.

Thus, the slope of this line is m = rise / run = 5/10 = 1/2    (the slope)

Starting with the point slope equation y - k = m(x - h) and substituting 9 for y, 8 for x and 1/2 for m, we get:

y - 9 = (1/2)(x - 8)   (point-slope form)

y       = (1/2)x + 5     (slope-intercept form)

5 0
3 years ago
A clothing store uses the step function f(x) to recommend jeans sizes as a function of x, a child’s height in inches.
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B) 42 because it can't be more than 44 but it can't be less than 42 either.
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4 years ago
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