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adoni [48]
3 years ago
6

Josie does 9 minutes

Mathematics
2 answers:
PolarNik [594]3 years ago
8 0

Answer: Josie starts working out at 3:09

Step-by-step explanation: I found this answer by adding the workout time together.

tino4ka555 [31]3 years ago
6 0

Answer:

3:09

Step-by-step explanation:

First add the total time of the workout

20+9+7=36

then subtract the end time 3:45 with the workout time:

3:45-00:36=3:09

Check work:

3:09+00:36=3:45

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PLEASEEE HELP ME I NEED THIS ASAP
Pavel [41]

Answer:

The fourth option is the correct answer

Step-by-step explanation:

The given expression is

-2n(5+n-8-3n)

Given that n=3,We substitute the value of n into the expression and simplify.

This implies that,

-2n(5+n-8-3n)=-2(3)[5+3-8-3(3)]

=-6(5+3-8-9)

=-6(-9)

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Hence the answer is 54

6 0
3 years ago
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An oak tree is 60 feet tall and casts a 40-foot shadow. What is the approximate distance from the top of the oak tree to the top
Murljashka [212]
The approximate distance from the top of the tree to the top of the shadow is 20ft
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3 years ago
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Try It for Example 3: Is 3.14144144414444... a rational number? Explain your reasoning. *
chubhunter [2.5K]

it's irrational

A rational number can be put over a fraction, while this number continues forever

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3 years ago
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Aramp is 17 feet long, rises 8 feet above the floor, and covers a horizontal distance of 15 feet, as shown in the figure.
bonufazy [111]

Answer:

The ratio of Tan B is

\tan B= \dfrac{AC}{BC}=\dfrac{8}{15}

OR

\tan A= \dfrac{BC}{AC}=\dfrac{15}{8}

Step-by-step explanation:

In Right Angle Triangle ABC

angle C = 90°

AB = Ramp = 17 feet

BC =Horizontal distance = 15 feet

AC = Height from floor = 8 feet

To Find:

Ratio of Tan B = ?

Solution:

In Right Angle Triangle ABC By Tangent Identity we have

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Substituting the given values we get

\tan B= \dfrac{AC}{BC}=\dfrac{8}{15}

OR

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