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2 years ago

Please helppppppp????

Mathematics

1 answer:

Oliga [24]2 years ago

5 0

The volume of the spherical ball will be 4 · π · 3² · 10⁶ cubic cm. Then the correct option is A.

The complete question is attached below.

<h3>What is the volume of the sphere?</h3>

Let r be the radius of the sphere.

Then the volume of the sphere will be

V = 4/3 πr³ cubic units

The radius of the sphere is 3·10² cm.

Then the volume of the spherical ball will be

V = 4/3 πr³

V = 4/3 π(3 x 10²)³

V = 4/3 · π · 3³ · 10⁶

V = 4 · π · 3² · 10⁶ cubic cm

Then the correct option is A.

More about the volume of the sphere link is given below.

brainly.com/question/9994313

#SPJ1

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A triangle is placed in a semicircle with a radius of 7mm , as shown below. Find the area of the shaded region. Use the value 3.

timurjin [86]

We either need to see a picture of this and/or get more information about the measurements of the triangle. In general, the area outside of the triangle will be the area of the semi-circle minus the area of the triangle itself, or: 1/2*49*3.14 - 1/2 b*h of the triangle. That first part, which is the area of the semi-circle, works out to 76.93 So based on the info we have, it becomes 76.93 - 1/2*b*h of the triangle = area outside of triangle.

8 0

4 years ago

Y-1=5/6(x-4) in standard form

scoray [572]

   y - 1 = ⁵/₆(x - 4)
   y - 1 = ⁵/₆(x) - ⁵/₆(4)
   y - 1 = ⁵/₆x - 3¹/₃
   + 1    + 1
             y = ⁵/₆x - 2¹/₃
      ⁻⁵/₆x + y = ⁵/₆x - ⁵/₆x - 2¹/₃
   -6(⁻⁵/₆x + y) = -6(-2¹/₃)
-6(⁻⁵/₆x) - 6(y) = 14
         5x - 6y = 14

8 0

3 years ago

Read 2 more answers

David, Egil and Frances share money in the ratio 2:7:9. Frances gets ?80 more than David. Explain how you know Egil gets ?80.

Natalija [7]

Step-by-step explanation:

We have been given that David, Egil and Frances share money in the ratio 2:7:9.

Let 2x, 7x and 9x be the amounts of money that David, Agil and Frances get respectively.

We are told that Frances gets $80 more than David. So we can write this information in an equation as:

$9x=2x+80$

Now let us solve for x.

$9x-2x=80$

$7x=80$

$x=\frac{80}{7}$

Now let us substitute $x=\frac{80}{7}$ in 7x (amount of money that Egil gets).

$\text{ Amount of money that Egil will get}=7\cdot \frac{80}{7}$

Upon cancelling out 7 from numerator and denominator we will get,

$\text{ Amount of money that Egil will get}=80$

Therefore, Egil will get $80.

6 0

4 years ago

HELP ME PLEASEEEEEEEEEEEEEEEE

Veronika [31]

Answer:

D im not sure but i hope its right

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

25-3x-2-4x+5 has how many coefficients and how many expressions

adoni [48]

Answer:

This expression has 2 coefficients, (-3 and -4), because any number with a variable is a coefficient. That means 25, -2, and 5 are all constants, because they don't have variables.

Variables are the x's in this case.

I hope this answers your question :) Also if you like, can you mark me brainliest, please? It would really mean a lot to me :)

3 0

3 years ago