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4 years ago

What is the length???????????????????????????????????????????

Mathematics

1 answer:

Stells [14]4 years ago

6 0

A measurement to check stuff

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Given two functions f(x)=2x+1 and g(x)=−13x−3 , what is the function rule for (f+g)(x)

raketka [301]

Answer:

- 11x - 2

Step-by-step explanation:

note that (f + g)(x) = f(x) + g(x)

f(x) + g(x)

= 2x + 1 - 13x - 3 ← collect like terms

= - 11x - 2

3 0

3 years ago

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Two cargo ships are sailing a direct course into harbor. Ship A is 22 miles from harbor. Ship Bis sailing into harbor on a cours

s344n2d4d5 [400]

Answer:

The distance of ship B from the Harbor is 32.26 miles

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Equations.

I have added a visual aid of the problem. As we can see the courses of both ship to the harbor forms a triangle with ship B being the hypotenuse. Since we are given the distance of the course for ship A and the angle between both ships, we can use this information with the <u>COSINE operator</u> to solve for the length of the course of ship B.

$cos(x) = \frac{adjacent}{hypotenuse}$

$cos(47) = \frac{22miles}{hypotenuse}$ .... flip both fractions.

$\frac{1}{cos(47)} = \frac{hypotenuse}{22miles}$ .... multiply both sides by 22

$\frac{22mi}{cos(47)} = hypotenuse$

$32.26mi = hypotenuse = B$

So the distance of ship B from the Harbor is 32.26 miles

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0

3 years ago

A zookeeper predicted the weight of a new baby elephant to be 265 pounds when it was born. The elephant actually weighed 297 pou

Evgen [1.6K]

Answer: 10.7741077410774...

Step-by-step explanation: The formula for percent of error is (absolute value of prediction-actual)/actual times 100 so it is |265-297|/297 times 100 which is

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3 years ago

Divya is painting a room. She uses 3/4 gallon of paint to cover 1/5 of a wall. If the walls are all the same size how much paint

mixas84 [53]

Answer: 3 3/4

Step-by-step explanation: brainliest plsss

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3 years ago

Aileen can read 1.5 pages for every page her friend can read. Aileen's mom was very excited and she said to Aileen: "So, if your

Strike441 [17]

1.5 pages her friend can read so the formula would be

1.5x and x being the number of pages her friend reads

1.5 times 20 is not 25 it's 30

therefore no Aileen's mom is not correct

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3 years ago

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