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3 years ago

Which point is on the line y = -2x + 3? (-2, -1) (3, 3) (3, -3) (-3, -9)

Mathematics

1 answer:

xenn [34]3 years ago

5 0

I think the answer is (3,3)

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Find the volume of each figure. Round to the nearest tenth if necessary.

ziro4ka [17]

Answer:

112

Step-by-step explanation:

The volume is given by l*b*h=4*4*7=112

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3 years ago

Rearrange y= 2(x-a)/x to make x the subject

Sidana [21]

Answer:

y = 2(x-a)/x

xy = 2x-2a

xy-2x = -2a

x(y-2) = -2a

x = (-2a)/(y-2)

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2 years ago

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tigry1 [53]

Answer:

X=7 and y is y=40 length is 47

Step-by-step explanation:

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3 years ago

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ioda

Answer: 14

Step-by-step explanation:

Okay so it asks in all, which means morning distance + afternoon distance

We got the afternoon distance so now we have to find the morning one

it says the afternoon distance (6), is 25% less than the morning distance.

Which means the afternoon distance is 0.75 of the morning distance.

so 0.75x = 6, x = 6/0.75 = 8

Then you add 8 to 6 to get 14

6 0

3 years ago

What is the exact volume of the figure?

uranmaximum [27]

Answer: 890.12 cm^3

Step-by-step explanation:

The formula for the volume of a cylinder is

$V=\pi *r^2*h$

V=628.3185307 cm^3

or simply

V=628.32 cm^3

Since, you know the radius of the hemisphere on top, you also know the radius since the height of the hemisphere is the same as it is wide.

Next, the formula for the volume of a sphere is

$V=\frac{4}{3} \pi *r^3$

so the volume of a hemisphere is half of that or:

$V=\frac{2}{3} *\pi *r^3$

V= 261.7993878 cm^3

or simply

V=261.80 cm^3

Finally, you add both of the volumes together to get

V= 890.1179185 cm^3

or simply

V=890.12 cm^3

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3 years ago