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lisabon 2012 [21]
3 years ago
12

An athlete plans to run 3 miles. each lap around the school yard is 3/7 mile. how many laps will the athlete run?

Mathematics
1 answer:
Maksim231197 [3]3 years ago
8 0
He will need to run 7 laps.
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Write an equation for the line in slope-intercept form.​
avanturin [10]

Answer:

y=2

Step-by-step explanation:

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BRAINLIEST FOR WHOEVER ANSWERS FIRST!!!!
Fofino [41]

Answer:

x = 34

Step-by-step explanation:

ΔABD and ΔBCD are both isosceles triangles

In ΔABD

AB =AD, hence ∠ABD = ∠ADB ( base angles are equal )

∠ABD = \frac{180-44}{2} = \frac{136}{2} = 68°

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∠BCD = x = \frac{180-112}{2} = \frac{68}{2} = 34


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3 years ago
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one number is 7 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 307,
Svetach [21]
The three numbers are 23, 161, and 123.
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What function is increasing? will give brainlist !
Wewaii [24]

Answer:

Option B.

Step-by-step explanation:

Option A.

f(x) = (0.5)^{x}

Derivative of the given function,

f'(x) = \frac{d}{dx}(0.5)^x

      = (0.5)^x[\text{ln}(0.5)]

      = -(0.693)(0.5)^{x}

Since derivative of the function is negative, the given function is decreasing.

Option B. f(x) = 5^x

f'(x) = \frac{d}{dx}(5)^x

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Since derivative is positive, given function is increasing.

Option C. f(x) = (\frac{1}{5})^x

f'(x) = \frac{d}{dx}(\frac{1}{5})^x

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      = -5^{-x}.\text{ln}(5)

Since derivative is negative, given function is decreasing.

Option D. f(x) = (\frac{1}{15})^x

                f'(x) = -15^{-x}[\text{ln}(15)]

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Since derivative is negative, given function is decreasing.

Option (B) is the answer.

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