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stira [4]
2 years ago
9

Find x when y = 3 in the literal equation 3x + 6y= 24. A. 3 B. 18 C. 6 D. 2

Mathematics
2 answers:
svetlana [45]2 years ago
8 0

Answer:

D. 2

Step-by-step explanation:

Substitute y with 3

3x+18=24

Move 18 to the other side by subtracting by 18

3x=6

Divide 3 on both sides

x=2

Hope this helps!

alekssr [168]2 years ago
3 0

Answer: It is D

Step-by-step explanation:

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If the volume of a sphere is 36 cubic units, what is the radius? 3 units 4√3 units 9 units
nikdorinn [45]

Answer:

radius = 2.05 units

Step-by-step explanation:

The volume of a sphere is given by the formula: V=\frac{4}{3} \pi r^3. In this formula:

  • V = volume of the sphere
  • r = radius of the sphere

Since we are given the volume of the sphere (36 units^3), we just need to solve for r in the equation for the volume of a sphere.

Substitute 36 for V into the formula and solve for r.

36=\frac{4}{3} \pi r^3

Divide both sides by \frac{4}{3}. To do this, multiply 36 by the reciprocal of \frac{4}{3}.

  • 36\times \frac{3}{4}
  • 36\times \frac{3}{4} =\frac{108}{4} \rightarrow 27

Simplify and rewrite the equation.

27=\pi r^3

Now divide both sides of the equation by pi (\pi).

  • 27\div\pi=8.59436692696

Rewrite the equation.

8.59436692696=r^3

To isolate and solve for r, cube root both sides of the equation.

  • r=\sqrt[3]{8.59436692696}
  • r=2.04835218977

The radius of this sphere is 2.04835218977 units. If your question wants this rounded to the nearest:

  • whole number: 2 units
  • tenth: 2.0 units
  • hundredth: 2.05 units
  • thousandth: 2.048 units

I'll just give the answer rounded to the nearest hundredth as that seems the most popular.

8 0
2 years ago
Read 2 more answers
V=(4/3) (3.14) (3^3)
marysya [2.9K]

Answer:

Step-by-step explanation:

V = (4/3)(3.14)(3^3)

V = 4/3 * 27 * 3.14

V = 36 * 3.14

V = 113.04

8 0
3 years ago
What is the mean absolute deviation of the data set? 12, 15, 7, 4, 9, 10, 9, 6
bearhunter [10]
Here is an example:
Find the MAD of 2,4,6,8 Step 1 : Find the mean of the data : (2+4+6+8) / 4 = 20/5 = 4 Step 2 : Find the distance between each data and mean. Distance between 2 and 5 is 3 Distance between 4 and 5 is 1 Distance between 6 and 5 is 1 Distance between 8 and 5 is 3
Step 3 : Add all the distances : 3+1+1+3 = 8
Step 4 : Divide it by the number of data : 8 / 4 = 2 2 is the average absolute deviation.
3 0
3 years ago
What is an example of what property ?
vodomira [7]

Answer:

Distributive Property

Step-by-step explanation:

7 equals (3+4).

Therefore, 4*7 equals 4*(3+4).

By distributive property, this will equal (4*3) + (4*4)

8 0
3 years ago
25 times 55 wright it out please
lakkis [162]

Answer:

1375

Step-by-step explanation:

25*55= 1375

6 0
3 years ago
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