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2 years ago

12

susan mountain elevation is 1530 meters. After 4 hours of climbing down to her elvationis 680 meters. What is susans avarge chan

ge in elevation, in meters per hour?

1 answer:

RideAnS [48]2 years ago

8 0

2,650 meters per hour

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Add: <br> 3x+9+8x + 12<br> 2x + 6+x² + 6x + 9

Oxana [17]

I'll treat these like they're two seperate problems because how you set it up they're not together. If it's one whole problem please tell me and I'll solve it that way. :-)

First one: 3x+9+8x + 12

Collect like terms and simplify

(3x+8x)+(9+12)

11x+21

Second one: 2x + 6+x² + 6x + 9

Collect like terms and simplify

$(2x+6x)+(6+9)+x^{2}$

8x+15+ $x^{2}$

Hope this helps you, have a BLESSED and wonderful day, as well as a safe one!

-Cutiepatutie ☺❀❤

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Order the integers {-10, -25, 25, 10, -50} from least to greatest.

Leona [35]

Answer:

-50,-25,-10,10,25

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3 years ago

Read 2 more answers

What percentage of 70 is 49?<br> Your answer

sweet-ann [11.9K]

the answer to your question is 70%. 49 is 70% of 70

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2 years ago

A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o

Maru [420]

Volume of the cylinder = πr²h = π(1)² (21) = 21π cm³

Volume of the cone = 1/3 π r² h

21π = 1/3 π (r)² (7)

r³ = 21π ÷ (7/3 π)

r² = 9

r = 3

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2 years ago