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Leviafan [203]
3 years ago
10

-3a+2b=-3 solve for a

Mathematics
2 answers:
vivado [14]3 years ago
7 0
-3a=-3-2b
a=1+2/3b

Solution
a=1+2/3b
adell [148]3 years ago
7 0

Answer:

a = (3 + 2b) / 3

Step-by-step explanation:

1) Move 2b to the right.

-3a + 2b = -3

-3a = -3 - 2b

2) Leave only a on the left.

a = (-3 - 2b) / (-3)

a = -(3 + 2b) / (-3)

a = (3 + 2b) / 3

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3. A prop for the theater club’s play is constructed as a cone topped with a half-sphere. What is the volume of the prop? Round
Tanzania [10]
1. To solve this problem you must sum the volume of the cone and the volume of the hemisphere. This means that the volumen of the prop is:

 Vt=Vc+Vh

 Vt is the volumen of the prop.
 Vc is the volumen of the cone.
 Vh is the volume of the hemisphere.

2. The volume of the cone (Vc) is:

 Vc=1/3(πr²h)

 r=9 in
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 4. Then, you have:

 Vc=(3.14)(9 in)²(14 in)/3
 Vc=3560.76 in³/3
 Vc=1186.92

 5. The volume of the hemisphere (Vh) is:

 Vh=2/3(πr³)

 π=3.14
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 6. Then, you have:

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 Vh=4578.12 in³/3
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<span>
 What is the volume of the prop?
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 The volume of the prop is 2713.0 in³
6 0
4 years ago
What ordered pair is a reflection of (-3,-4) over the y axis?
STatiana [176]
Hththhththhthhththhthththht

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7 0
3 years ago
Jen picked 3/4 of a gallon of strawberries in half an hour. If she keeps picking strawberries at the same rate, how many gallons
scoray [572]
Well following the directions you have provided me I would say that Jen will have 3 Gallons of strawberries. Work: So the fraction 3/4 can be converted into decimals which is .75 and since she got that many in half and hour ( 30 minutes) we can do two set of .75 for each hour, after we do the math we end up with 4 sets in total of .75 since she had 2 hours to work. Equation .75*4=3 

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6 0
4 years ago
Read 2 more answers
A cylindrical bucket and spherical storage container are shown. The bucket has a radius of 6 inches and a height of 15 inches, a
inysia [295]

Answer:

To know if Nicholas is correct

4(540π) inches³ ≥ 2304π inches³

Unfortunately, 2160π inches³ is less than 2304π inches³. This means Nicholas is absolutely wrong .4 times the volume of the cylindrical bucket is less than the volume of the spherical tank.  

Step-by-step explanation:

The question wants you to look for the volume of the cylindrical bucket and the spherical bucket and know if 4 times the volume of the cylindrical bucket will fill the spherical tank.

volume of a cylinder = πr²h

where

r = 6 inches

h = 15 inches

volume of the cylinder bucket = πr²h

volume of the cylinder bucket= π × 6² × 15

volume of the cylinder bucket = π × 36 × 15

volume of the cylinder bucket = 540π inches³

volume of the spherical storage container

volume = 4/3πr³

r = 24/2 = 12 inches

volume = 4/3 × π × 12³

volume = 4/3 × π × 1728

volume = 6912π/3

volume = 2304π inches³

To know if Nicholas is correct 4(540π) inches³ ≥ 2304π inches³

Unfortunately, 2160π inches³ is less than 2304π inches³. This means Nicholas is absolutely wrong .4 times the volume of the cylindrical bucket is less than the volume of the spherical tank.  

8 0
4 years ago
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