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2 years ago

Please help me :( this is really hard

Mathematics

2 answers:

avanturin [10]2 years ago

8 0

Answer:

h ≈ 7.9 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin26° = $\frac{opposite}{hypotenuse}$ = $\frac{h}{18}$ ( multiply both sides by 18 )

18 × sin26° = h , then

h ≈ 7.9 cm ( to 1 dec. place )

mafiozo [28]2 years ago

4 0

We will find this using trigonometric ratios

We will apply the law of sines

$\tt \: perpendicular = hypotenuse \times \sin( \alpha )$

We are using this law as we have to find perpendicular or height of the triangle.

Hypotenuse= 18cm
sin(α)=sin(26°)

<h3>Putting values:</h3>

$\sf Perpendicular = 18 \times \sin(26)$

$\boxed {Perpendicular = 13.72605cm}$

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Sharon has 23 toy car that are colored red, blue, and white. She has 4 red cars, 2 fewer blue cars than red and 5 more purple ho

podryga [215]

Answer:

13 white cars

Step-by-step explanation:

Let us represent:

Number of

Red cars = x

Blue cars = y

White cars = z

Sharon has 23 toy car that are colored red, blue, and white.

x + y + z = 23

x = 4

2 fewer blue cars than red

y - 2 = x

y - 2 = 4

y = 4 + 2

y = 6

Hence,

x + y + z = 23

4 +

Number of white cars is calculated as:

23 - (6 + 4)

23 - 10

= 13 white cars

8 0

2 years ago

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Gre4nikov [31]

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2 years ago

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Natalija [7]

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2 years ago

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dangina [55]

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2 years ago

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damaskus [11]

Your answer would be D.

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2 years ago

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