3 years ago

Can someone help? i dont understand it really well

Mathematics

1 answer:

scoundrel [369]3 years ago

3 0

The answer is the first one

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What is the equation of the line that is perpendicular to the line y=*x+10 and passes through the point (15,-5)?

ivanzaharov [21]

Answer:

Slope of the line y = x + 10 is 1. So, any straight line perpendicular to this must be having slope of (-1).

Let, the line be y = - x + b and it passes through (15, -5).

So, 15 = 5 + b

b = 10.

So, equation of that line: y = -x + 10

Or, x + y = 10.

Y-intercept of the line = 10 units.

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3 years ago

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myrzilka [38]

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Step-by-step explanation:

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3 years ago

Simplify<br><br> 1/4 (-12+4/3)

garri49 [273]

Decimal form: -2.6666..
Fraction form: -2 2/3

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3 years ago

The main show tank has a radius of 60 feet and forms a quarter sphere where the bottom of the pool is spherical and the top of t

svetlana [45]

The given radius is = 60 feet

The volume of the sphere is given by = $\frac{4}{3} \pi r^{3}$

So we will find the volume of the sphere using radius as 60 and pi as 3.14

Volume = $\frac{4}{3}*3.14*60*60*60$ = 902059.20 cubic feet

As quarter of anything is defined as its one-fourth part, so here the volume of the quarter of sphere can be calculated by finding one fourth of the calculated volume.

So volume of quarter sphere = $\frac{902059.20}{4}$

= 225514.80 cubic feet

And rounding this to nearest whole number we get 225515 cubic feet as the answer.

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3 years ago