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GaryK [48]
3 years ago
7

ILL PUT YOU AS BRAINLIEST!!!!!! please !

Mathematics
1 answer:
Jet001 [13]3 years ago
6 0
The volume of each of The buckets is:
 V1 = pi * r ^ 2 * h
 Where,
 r: radio
 h: height
 Substituting values we have:
 V1 = 3.14 * (5/12) ^ 2 * (25/12)
 V1 = 1.14 feet ^ 3
 The volume of the warehouse is:
 V2 = (100) * (50) * (20)
 V2 = 100000 feet ^ 3
 Then, the number of buckets of rocks she could store in a warehouse is:
 N = (V2) / (V1)
 N = 100000 / 1.14
 N = 87719
 Answer:
 the number of buckets of rocks she could store in a warehouse is:
 N = 87719
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John played a note on his tuba that vibrated the air 70 times per second. If he played the note for 5 seconds, how many times di
lutik1710 [3]
That's simple just multiply 70 and 5
3 0
3 years ago
Read 2 more answers
The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h. A=(a+b)/2 h Solve for a.
yKpoI14uk [10]

Answer:

a=\frac{2A}{h}-b

Step-by-step explanation:

Hello, I think I can help you with this.

According to the information provided in the problem, the area of ​​a trapezoid is given by

A=\frac{a+b}{2} *h\\

Step 1

solve for a, it means isolate a

A=\frac{a+b}{2} *h\\divide\ both\ sides\ by\ h\\\\\frac{A}{h}= \frac{\frac{a+b}{2} *h}{h} \\\frac{A}{h}=\frac{a+b}{2}\\\\Now, multiply\ both\ sides\ by\ two\\\\ 2*\frac{A}{h}=2*\frac{a+b}{2}\\2*\frac{A}{h}=a+b\\\frac{2A}{h}=a+b\\\\subtract\ b\ for\ both\ sides\\\frac{2A}{h}-b=a+b-b\\a=\frac{2A}{h}-b

Have a good day.

5 0
3 years ago
I really need help
Zielflug [23.3K]

Answer:

The answer is (C)

The equation of the circle is (x + 4)² + (y - 6)² = 81

Step-by-step explanation:

* To find the equation of the circle you need to know

  the center of the circle and the length of its radius

* The rule of the equation of the circle is:

  (x - h)² + (y - k)² = r²

  Where x and y is a general point on the circle,

  h and k are the coordinates of the center of the circle

  and r is the radius of the circle

∵ The center of the circle is (-4 , 6)

∵ The radius of the circle is 9

∴ (x - -4)² + (y - 6)² = 9²

∴ ( x + 4)² + (y - 6)² = 81

∴ The answer is (C)

3 0
4 years ago
(7,-9) and (-3,-6)<br> Find the slope
kow [346]

Answer:

-3/10

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-6-(-9))/(-3-7)

m=(-6+9)/-10

m=3/-10

m=-3/10

7 0
3 years ago
What adds to make -4 but times to get -12
dimulka [17.4K]
3 because 4×3=12 and if you divide12÷3/4 it helps you check
6 0
3 years ago
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