3 years ago

It an exam pls help I’ll give brainiest:)

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

3 0

Answer:

Go onto math-way and type in the questions and you'll get the answer :)

Step-by-step explanation:

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Simplify -3xy 3 + 7xy 3 + (-xy 3) + (-3xy 3).

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3 years ago

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1. A point on the ground is 50 feet from my house. The angle of elevation to the top of the house is 48 Find the height of the h

Georgia [21]

Answer:

(1)55.5 feet

(2)7.5 feet

Step-by-step explanation:

Question 1

The diagram is attached below.

Using Trigonometric ratio

$\tan 48^\circ = \dfrac{h}{50} \\h=50 \times \tan 48^\circ\\h=55.5$ feet (to the nearest tenth)$

The height of the house is 55.5 feet to the nearest tenth.

Question 2

In the diagram, we are required to find the distance the bird must fly to be directly above the fish. This has been represented by x.

Using Trigonometric ratio

$\tan 15^\circ = \dfrac{2}{x} \\x \tan 15^\circ=2\\x=2 \div \tan 15^\circ\\x=7.5 $ feet (to the nearest tenth)$

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3 years ago

Equation, find y when x=-3. y = -x + 5 When x = -3, y =

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3 feet long and 2 feet wide is what in square inches when area conversion with whole number

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forsale [732]

Answer:

z = 74 degrees

y = 115 degrees

Step-by-step explanation:

Explanation in the attachment.

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1 year ago