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3 years ago

Please help. Will give Brainliest!!

Mathematics

2 answers:

Alex Ar [27]3 years ago

6 0

ANSWER:

9. mAB = √(26)² - (24)²

√(676 - 576)
√100 = 10

10. sinC = 10/26

11. cosC = 24/26

12. tanC = 10/24

Natalija [7]3 years ago

3 0

Answer:

9. 10

10. 10/26

11.24/26

12.24/10

Step-by-step explanation:

9.Using Pythagoras Theorem

=> P = √(H²-B²)

Where,

P = perpendicular 

B = Base

H = Hypotenuse

10. P/H

11. B/H

12. P/B

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What’s the answer to the word problem the difference of three times a number and 1

harina [27]

Answer:

There is no answer. I'm sorry but more information is needed in order to find the answer.

Step-by-step explanation:

However, the problem can be written.

It will look like:

3n - 1.

Since the number can be anything, this is not an answerable question because it must equal a number on the right side of the equation.

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3 years ago

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2 years ago

Ramiro buys 50 packs of candy bars for $40 before a tax of 7.5%. He sells each candy var for 175% of what he paid before tax. ho

Zepler [3.9K]

Answer:

Cost price of each candy = $0.80, Selling price of each candy = $1.40

Step-by-step explanation:

Given:

Ramiro buys 50 packs of candy bars for $40 before a tax of 7.5%.

He sells each candy var for 175% of what he paid before tax.

Question asked:

How much does he buy each candy bar for ?

How much does he sell one for ?

Solution:

By unitary method:

Cost of 50 packs of candy bars = $40

Cost price of 1 pack of candy bars = $\frac{40}{50} =\$0.8$

Cost price of each candy = $0.80

Thus, he buy each candy bar for $0.80

Now:-

As he sells each candy var for 175% of what he paid before tax:-

Selling price of each candy = 0.80 $\times$ 175%

= $0.80\times\frac{175}{100} =\frac{140}{100}=\$1.4$

Thus, he sell one candy for $1.40

3 0

3 years ago

The Eiffel Tower in Paris, France. Lizbeth is 5.5 feet tall. She looks up at an angle of elevation of 72° to see the top from 31

garri49 [273]

Answer:

The height of the Eiffel Tower will be 318 feet.

Step-by-step explanation:

Please check the attached graph.

From the diagram, it is clear that Lizbeth is 5.5 ft tall, seeing the top from 318 feet away, making an angle of elevation to be 72⁰.

The diagram makes a right-angled triangle.

Given the angle = Ф = 72⁰

Adjacent = a = 5.5 ft

Opposite = b = 318 ft

Hypotenuse = the height of the Eiffel Tower = c ?

Pythagorean Theorem:

For a right-angled triangle, with sides 'a' and 'b', the hypotenuse 'c' is defined as:

$c=\sqrt{a^2+b^2}$

$a=5.5$

$b=318$

$c=\sqrt{5.5^2+318^2}$

$c=318$ feet

Therefore, the height of the Eiffel Tower will be 318 feet.

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2 years ago

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3 years ago