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valkas [14]
3 years ago
15

A grain silo is shown below:

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0

Answer: 13750+262=14,012 ft^3

Step-by-step explanation:

Hello!!!

Find the volume of the bottom and top separately and then add them. Cylinder volume is the area of the bottom times the height (22/7)(5^2)•175=13750 ft^3

The volume of a sphere isV=(4/3)(22/7)r^3where r is the radius.  also 5 since it fits on the cylinder. Also we only want half the sphere so useV=(2/3)(22/7)•5^3=261.9 ft^3 round upto 262. Now add  together 13750+262=14,012 ft^3

Hope this helps~!!!!!

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A can holds 2 liters of paint.<br><br>then how many can we fill with 11 liters of paint​
pychu [463]

Answer:

5 and a half

Step-by-step explanation:

Because you can fit 2 liters in each can, to find how many you would need, divide 11 by 2, this would give you 5 and a half, 5.5.

It could be that they want you to round up to six or round down to five, so do consider that.

4 0
3 years ago
Points N and R both lie on circle O. Line segment RQ is tangent to the circle at point R.
4vir4ik [10]

Answer:

15.0

Step-by-step explanation:

Let's start by looking at triangle ORQ. Since RQ is tangent to the circle, we know that angle ∠ORQ is 90°. Then, since OR is equivalent to the radius of 5, RQ is 5√3, and side OQ is clearly larger than RQ, we can identify this as a 90-60-30 degree triangle. This makes side OQ have a length of 10, and angle ∠QOR, opposite of the second largest side, has the second largest angle of 60°, leaving ∠OQR with an angle of 30°.

The formula for the chord length is 2r*sin(c/2), with c being the angle between the two points on the circle (in this case, ∠QOR=∠NOR).. Our radius is 5, so the length of chord NR is 2*5*sin(60/2)=5, making our answer 5(ON)+5(OR)+5(RN)

4 0
3 years ago
Read 2 more answers
Plz help me i need to pass I've been trying this lesson all day and I can't figure this out
Tasya [4]

Step-by-step explanation:

step 1: given= 6*0=0

step 2: Use the distributive property

step 3: Substitute

step 4: -

step 5: Subtract 60 from both sides

step 5: simplify

7 0
2 years ago
Read 2 more answers
15w2+62w+63=0 <br><br><br> Can you help me
anzhelika [568]

Answer:

w=-7/3 and w=-9/5

Step-by-step explanation:

Given: 15w^2+62w+63=0

Factor: (3w+7)(5w+9)=0

Zero Product Property: 3w+7=0 and 5w+9=0

Solve each equation: w=-7/3 and w=-9/5

Let me know if you would like me to explain more.

7 0
2 years ago
A small business produces and sells balls. The fixed costs are $20 and each ball costs $4.32 to produce. Each ball sells for $8.
Gemiola [76]

Part 1:

Fixed Cost, f = $20

number of balls = n

Cost of each ball, c = 4.32

Price of each ball, p = 8.32

Equation for total cost:

Total Cost of balls will come by adding the cost of all balls and the fixed cost

Total Cost = number of balls made × Cost of each ball + fixed cost

<em>C = 4.32n + 20</em>

Equation for revenue:

Revenue  = Number of balls made × price of each ball

<em>R =  8.32n </em>

Part 2:

Use the graphing method to determine how many balls must be sold to break even

Breakeven means Revenue =  total Cost

This happens at a point (5,41.6) where n = 5 is the number of balls sold

and C = 41.6 is the total cost

When 5 balls are sold there will be breakeven

R = 4n - 20  

C = 4.32n + 20

Red line represent Cost

Black line represent Revenue

5 0
3 years ago
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