3 years ago

Jessica ran 6 miles in 2 1/2 hours what is her speed in miles per hour?

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

4 0

Answer:

2.4 miles per hour

Step-by-step explanation:

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topjm [15]

Answer:

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin45° = $\frac{1}{\sqrt{2} }$ , then

sin45° = $\frac{opposite}{hypotenuse}$ = $\frac{3\sqrt{2} }{h}$ = $\frac{1}{\sqrt{2} }$ ( cross- multiply )

h = 3 $\sqrt{2}$ × $\sqrt{2}$ = 6

the hypotenuse is 6 units

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3 years ago

May you please help me.

Assoli18 [71]

Answer:

x=16

Step-by-step explanation:

multiply the 3 to cancel it out

now you have x+2=18

then you subtract by 2 to cancel it out

so now you are left with x=16

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3 years ago

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Rom4ik [11]

Answer:

y = 150 - 11x

Step-by-step explanation:

Janelle is starting out with 150 surveys and if she is conducting 11 surveys an hour, then that means you need to subtract 11x from 150 because that will give you how many surveys she has left.

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4 years ago

IF A FUNCTION f(x) is defined AS 5x^2-3x+3, what is the expression for

nadezda [96]

Answer: C. 10x-3

Step-by-step explanation: I got this question correct on Edmentum.

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3 years ago

Help with this one!!! Show steps pls :)

Flauer [41]

Answer:

$20 \times \frac{1}{8}$

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4 years ago