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4 years ago

Pls someone help me with these 2 questions and explain..

Mathematics

1 answer:

garik1379 [7]4 years ago

6 0

question 6,

Answer : 35.7 degree from north

Step-by-step explanation:

Bearing is angle w.r.t the north.

To calculate this angle we need the angle of the triangle in the diagram.

We know two sides of the triangle the base (18) and Perpendicular(25).

Tan(x) = 25/18

arctan(25/18) = 54.24 deg

Subtracting from 90 to get angle w.r.t north 90-54.24 = 35.7

Question 7,

Solution: 33.12

Explaination

calculate the length of the straw within the glass.

It makes a right angle triangle with the glass, where the length is the hypotenuse.

the base is 9 (radius *2 = 4.5*2)

using Cos(x) = base / hypotenuse

cos(72) = 9 /Hypotenuse

Hypotenuse = 9/cos(72)

Hypotenuse = 29.12

total length is hypotenuse + the length protruding out(4)

29.12 + 4 = 33.12

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Ali's dog weighs 8 times as much as her cat. Together, the two pets weigh 54 pounds. How much does Ali's dog weigh?

Ilya [14]

I did 54/8 because you are multiplying D×8 and the product of 54/8= 6.75 so yeah the answer is 6.75

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3 years ago

(08.06 MC)

const2013 [10]

Answer:

(3.5, 17)

Step-by-step explanation:

It would be nice to see the whole graph, so we can see where the functions cross.

Without that information, we can still eliminate unreasonable choices.

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B) the most likely choice (3.5, 17)

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D) neither graph goes anywhere near y = -8

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4 years ago

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You have a jar of marbles in front of you with the following colors: 7 red, 12 blue, 6 yellow and 9 white. What is the probabili

barxatty [35]

Answer: 27/34

Step-by-step explanation:

7 + 12 + 6 + 9 = 34

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= 27

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3 years ago

A–2=3+6a/3 What dose a equal?

balandron [24]

Answer:

a = -5

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7 0

3 years ago

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If Ruby plans on making 4 batches of pancakes, how many combined cups of powdered milk and whole wheat flour does she need?

Trava [24]

Ruby needs a cup of powdered milk and six cups of whole wheat to prepare four batches of pancakes.

Given the quantities of powdered milk and whole wheat to prepare a batch of pancakes, we can determined the total amount of each ingredient by simple rule of three:

Powdered milk

$x = 4\,batches\times \frac{1}{4}\,\frac{cups}{batch}$

$x = 1\,cup$

Whole wheat

$y = 4\,batches \times \frac{3}{2}\,\frac{cup}{batch}$

$y = 6\,cups$

Ruby needs a cup of powdered milk and six cups of whole wheat to prepare four batches of pancakes.

To learn more on simple rule of three (cross multiplication), we kindly invite to check this verified question: brainly.com/question/8647106

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3 years ago

Pls someone help me with these 2 questions and explain.. ​

Pls someone help me with these 2 questions and explain..