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attashe74 [19]
2 years ago
8

A rectangle has a length of 2 + 7 and a width of 3a + 8.

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
6 0

Answer:

Step-by-step explanation:

2(2x+7+3x+8)

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A well pump pumps at a rate of 40 gallons per minute. you want to fill a 1,000-gallon tank. the tank already has 80 gallons. you
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Possibly 230 minutes?? dont quote me on that lol
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3 years ago
3. A map pencil drawer contains the following colors: 5 Purple, 3 Yellow,
natta225 [31]
Add up all the numbers together
it’ll give you 17
since they’re asking abt the probability of a purple being chosen twice, multiply 5 by 2 to give you 10
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2 years ago
Find the Missing point, given the slope. (Hint: Set up an equation and solve) (-2, y^1), (6, 7) Slope = 1/2
ziro4ka [17]
<span>(-2, y1), (6, 7) Slope = 1/2

slope = (y2-y1)/(x2-x1)
1/2 = (7 - y1) / (6 - -2)
1/2 = (7-y1) / 8
7-y1  = 8/2
7-y1 = 4
y1 = 7 - 4
y1 = 3

Answer: </span><span>(-2, 3), (6, 7) with Slope = 1/2

</span>proof:
slope = (y2-y1)/(x2-x1)
slope =  (7 - 3) / (6 - -2)
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slope = 1/2
3 0
3 years ago
The functions show two sisters' savings accounts and the
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Dana has a greater i risk value

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
3. The diameter of a cylindrical column is 60cm and
GarryVolchara [31]

Answer:

£80.33

Step-by-step explanation:

The formula for the Volume of a cylinder = πr²h

The diameter of a cylindrical column is 60cm and its height is 4.2m

Converting the diameter to meter

100 cm = 1 m

60 cm = x

Cross Multiply

100 × x = 60 × 1

x = 60/100

x = 0.6m

The diameter of the cylinder = 0.6m

Radius = Diameter/2

Radius = 0.6m/2

Radius = 0.3m

Volume of a cylinder = πr²h

= π × 0.3² × 4.2

= 1.18752 m²

Approximately = 1.19 m²

The cost of making it is £67.50 per cubic metre. What is the cost of making it?

The volume of the cylindrical column = 1.19 m²

Hence:

1m² = £67.50

1.19m² = x

Cross Multiply

x × 1m² = 1.19 m² × £67.50

x = 1.19 m² × £67.50/1 m²

x = £ 80.325

Approximately = £80.33

Therefore, the cost of making the cylindrical column = £80.33

7 0
3 years ago
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