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postnew [5]
3 years ago
5

File attached Please help

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0

Answer:

the answer is C, 369

Step-by-step explanation:

1. divide 800 by 40 which will give you 20

2. then multiply 18 by 20

3. answer is 360

the reason I did this was because if you had multiplied math, physics and chemistry by 20 it would have given you the total of 800 trials

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Help pleaseee.... #5
zvonat [6]

Answer: it mirroed it

Step-by-step explanation:

8 0
3 years ago
At a sand and gravel plant, sand is falling off a conveyor, and onto a conical pile at a rate of 10 cubic feet per minute. The d
kherson [118]

Answer:

dh/dt=9.82x10^-3 ft/min

Step-by-step explanation:

1. You have that the rate is10 ft³/min. Then:

dV/dt=10

2. The formula for calculate the volume of a cone, is:

V=1/3(πr²h)

"r" is the radius and "h" is the height.

3. The diameter of the base of the cone is approximately 3 times the altitude. Then, the radius is:

r=diameter/2

diameter=3h

r=3h/2

4. When you susbstitute r=3h/2 into the formula V=πr²h/3, you have:

V=1/3(πr²h)

V=1/3(π(3h/2)²(h)

V=1/3(π9h²/4)(h)

V=9πh³/12

5. Therefore:

dV/dt=(9πh²/4)dh/dt

h=12

dV/dt=10

6. When you substitute the values of dV/dt and h into dV/dt=(9π(12)²/4)dh/dt, you have:

dV/dt=(9π(12)²/4)dh/dt

10=(1017.876)

7. Finally, you obtain:

dh/dt=10/1017.876

dh/dt=9.82x10^-3 ft/min

5 0
3 years ago
Find the angle vector of 7j +10 k,i +6j+6k,-4i+9j+6k​
aleksandrvk [35]

Answer:

Right angled and isosceles

7 0
3 years ago
"mon ame ne suivit pas la sienne"<br><br><br>quelle figure de style represente cette phrase?​
just olya [345]

Answer:

It is a metaphor.

Step-by-step explanation:

Hope it helps

3 0
2 years ago
Plzzzzzzzzzzzzzzzzzzzzzzzzzzz help me this so easy i just dumd
nikitadnepr [17]

Answer:

18.5

Step-by-step explanation:

Just add 18.5 and 55.50 and repeat with the other numbers

3 0
3 years ago
Read 2 more answers
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