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2 years ago

5

Mayumi hikes 3 miles in 2 hours. Edwin hikes 4 miles in 3 hours. Who takes more time to complete a 12 mile hiking trail? How muc

h more time

1 answer:

Gnom [1K]2 years ago

7 0

Mayumi takes 8 hours. Edwin takes 9 hours. Edwin takes more time by an hour.

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I'm confused, and I need help please ):

finlep [7]

X = 3 y = 4

so answer is 4

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3 years ago

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What is one way of writing 10-3?

Grace [21]

Greetings!

"10-3" can also be written as:
1) -3+10
2)10+(-3)

Hope this helps.
-Benjamin

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2 years ago

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X/6 = 10/9<br> improper fraction in its simplified form

FinnZ [79.3K]

Answer:

$\frac{x}{6} = \frac{10}{9} \\ \therefore \: 9 \times x = 6 \times 10 \\ \therefore \:9x = 60 \\ \therefore \:x = \frac{60}{9} \\ \therefore \:x = \frac{20}{3} \\ \: \: \: \: \: \: \huge \red{ \boxed{\therefore \:x = 6\frac{2}{3} }}$

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2 years ago

Jack received $300 for his 13th birthday. If he saves it in a bank account with 8% interest compounded yearly, how much money wi

kari74 [83]

300(1.08)^5

440.798423

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2 years ago

A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 52t - 16t^2 . What i

Nata [24]

Answer: 42.25 feet

Step-by-step explanation:

We know that after "t" seconds, its height "h" in feet is given by this function:

$h(t) = 52t -16t^2$

The maximum height is the y-coordinate of the vertex of the parabola. Then, we can use the following formula to find the corresponding value of "t" (which is the x-coordinate of the vertex):

$x=t=\frac{-b}{2a}$

In this case:

$a=-16\\b=52$

Substituting values, we get :

$t=\frac{-52}{2(-16)}\\\\t=1.625$

Substituting this value into the function to find the maximum height the ball will reach, we get:

$h(1.625) = 52(1.625) -16(1.625)^2\\\\h(1.625) =42.25\ ft$

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2 years ago

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