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miss Akunina [59]

3 years ago

9

Help answer Asap!! PLEASE Will give BRAINLIEST 100 POINTS Help

1 answer:

Ad libitum [116K]3 years ago

4 0

Answer:

B

Step-by-step explanation:

The formula for volume is: length*width*height

so, 9*10*9 will give yo your answer

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Find the volume of the solid, please

dsp73

Answer:

$V \approx=1436.8$

Step-by-step explanation:

Variables and symbols:

r = radius
V = volume
A = surface area
C = circumference
π = pi = 3.1415926535898
√ = square root

Volume of a sphere in terms of radius:

$V = \frac{4}{3}\pi r^3$ , $V \approx 4.1888r^3$

To calculate the volume of a sphere:

Usually the hardest part is measuring or estimating the diameter of the sphere. Special tools exist for smaller parts like balls in ball-bearings, but it gets more complicated if the size is large. Knowing that the diameter is the largest internal measurement you can take should help.

Once you have the measurement, to find the volume use the formula above, in which π is the well-known mathematical constant equal to about 3.14159. To adjust for a half-sphere calculation, just divide the result by two.

Spheres and half-spheres are useful in engineering and architecture due to their property of being able to take equal amounts of pressure or force from each direction.

Solution:

$V=\frac{4}{3} \pi r^{3} =\frac{4}{3} *\pi *7^{3} \approx1436.75504$

Round to nearest tenth: $1436.8$

5 0

1 year ago

Read 2 more answers

BIG POINT AND PLEASE ANSWER IT CORRECTLY

Yanka [14]

Ax+By=C

y=-2x+8

Answer :2x+y=8

I think this is the answer.

5 0

3 years ago

At an amusement park, guests have to take either a train or a boat 14 miles from the parking lot to the front entrance and then

Sedaia [141]

Answer:

$\frac{7}{6} hours$

Step-by-step explanation:

Distance for one way = 14 miles

The boat goes an average speed of 20 mph

The train goes 10 mph faster than the boat.

Speed of train = 20+10 = 30 kmph

Abdul takes the train into the park and the boat on his way back.

Time taken for going into park by train = $\frac{Distance}{\text{Speed of train}}$

= $\frac{14}{30}$

Time taken for going back by boat = $\frac{Distance}{\text{Speed of train}}$

= $\frac{14}{20}$

So, total time = $\frac{14}{30}+\frac{14}{20}=\frac{7}{6} hours$

Hence the round trip take $\frac{7}{6} hours$

3 0

3 years ago

HELP ILL GIVE BRAINLIEST

Brums [2.3K]

Answer:

10 students didnt turn in work

6 0

3 years ago

Read 2 more answers

In ΔPQR, sin R = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B5%7D" id="TexFormula1" title="\frac{3}{5}" alt="\frac{3}{5}"

solong [7]

Answer:

Since we know that ΔPQR is a right triangle, we can also asume that:

sin R = cos P = 3/5

So the answer is (d).

* This formular can also be applied to other right triangles.

In a right triangle, sine of one acute angle will always be equal to cosine of the other acute angle.

And we can check this by actually finding cos P using the lengths of the sides, by calculating PR first:

PR = √(PQ² + RQ²) = √(12² + 16²) = 20

=> cos P = PQ/PR = 12/20 = 3/5

6 0

3 years ago