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kumpel [21]
2 years ago
6

a which family uses about twice the amount of electricity per person than the other two families? Explain your reasoning.

Mathematics
2 answers:
tia_tia [17]2 years ago
7 0

i dont understandStep-by-step explanation:

pantera1 [17]2 years ago
7 0

Answer:

The Stiles family; the Melendez family uses 390 kWh per person, the Barton family uses 355 kWh per person, and the Stiles family uses 745 kWh per person.

Step-by-step explanation: im preety sure ¯\_(ツ)_/¯

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3 years ago
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Find the surface area of the cylinder in terms of pi. 9cm and 19cm
Natali [406]

Answer:

Surface area of cylinder= 211.5π

Step-by-step explanation:

Given,

Height of cylinder = 19cm

Diameter of cylinder = 9cm

i.e Radius of cylinder = diameter/2 = 9/2 = 4.5cm

Surface area of cylinder = 2πrh + 2πr²

Plug corresponding values of r and h in surface are formula.

Surface area of cylinder = 2πrh + 2πr² = 2π*4.5*19 + 2π*4.5²

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3 0
3 years ago
Kathi and Robert Hawn had a pottery stand at the annual Skippack Craft Fair. They sold some of their pottery at the original pri
Vinil7 [7]

Answer:

The number sold at $12.50 is  25

The number sold at $9.50 is 62

Step-by-step explanation:

Hi, to answer this question we have to write a system of equations:

x 12.50 + y 9.50=901.50

x+y= 87

Where

x= number of pottery pieces sold

y= number of pottery pieces sold at a decreased price  

Multiplying the second equation by 9.50, and subtracting the second equation to the first equation:

12.50 x + 9.50y = 901.50

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9.50 x+ 9.50 y= 826.5

__________________

3 x = 75

Solving for x

x =75/3

x = 25

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x+y= 87

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y= 62

5 0
3 years ago
Y = 1.25х + 10<br> Help me please.
iogann1982 [59]

Answer:

This is a linear equation, there's nothing to simplify.

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7 0
2 years ago
How do you check 3(2x-5)-4=33 ?
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First multiply 2x - 5 by 3 amd will open the brackets

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6x = 52

x \:  \:  = \frac{52}{6}

x = 8.6

3 0
2 years ago
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