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Agata [3.3K]
3 years ago
7

Brent biked 800 meters on Friday. On​ Saturday, he biked 3 kilometers. On​ Sunday, he biked 2 kilometer​s, 600 meters. How many

kilometers did Brent bike over the three​ days
Mathematics
1 answer:
DochEvi [55]3 years ago
3 0

Answer:

333

Step-by-step explanation:

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Use your understanding of the symmetry of the sine and cosine functions to determine the value of tan(−theta) for all
Dmitriy789 [7]

Answer:

tan(-\theta)=-tan\theta

Odd function

Step-by-step explanation:

We are given that

tan(-\theta)

We have to determine the value of tan(-\theta)and find tangent function is odd,even or neither.

tan(-\theta)=\frac{sin(-\theta)}{cos(-\theta)}

tan\theta=\frac{sin\theta}{cos\theta}

We know that

sin(-\theta)=-sin\theta

cos(-\theta)=cos\theta

By using  identities

Then, we get

tan(-\theta)=\frac{-sin\theta}{cos\theta}=-tan\theta

tan(-\theta)=-tan\theta

Odd function: If f(-x)=-f(x)

Even function:If f(-x)=f(x)

tan(-\theta)=-tan\theta

Therefore, function is an odd function.

7 0
3 years ago
The marketing department of a sports supply store wants to estimate the percentage of adults in the town who belong to a gym. Wh
Oxana [17]

Since we want to estimate the percentage of adults in the town who belong to a gym. We should take a random sample from the town itself because a store’s adult customers, or their friends, or first 20 customers every day for one week, or adults at the local park might not represent better sample for survey.

Therefore, Take a random sample of adults in the town, and ask each person whether he or she belongs to a gym. Calculate the percentage of the total who say “yes.”

Hence, option D describes a method that will help the marketing department accurately estimate this percentage.

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3 years ago
How many triangles can be made if two sides are 4 inches and the angle between them is 90°?
Tcecarenko [31]
2 triangles can be made
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Find the difference between the points (6, -3) And (-5,-3)
Varvara68 [4.7K]

We can use the distance formula to find the distance between these points.

Distance formula: \sqrt{(x.2 - x.1)^{2} + (y.2 - y.1)^{2}}

√(-5 - 6)² + (-3 - (-3))²

√121 = 11

The difference between the points is 11.


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3 years ago
Kim is repainting a storage trunk shaped like a rectangular prism as shown.
amid [387]

Answer:

i got 54ft^2

Step-by-step explanation:

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