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3 years ago

I'm dying of boredom. who else wanna talk ^-^

Mathematics

2 answers:

sertanlavr [38]3 years ago

8 0

Answer:

Step-by-step explanation:

WITCHER [35]3 years ago

5 0

Answer:

sure

Step-by-step explanation:

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The slope of a line that passes through points (5, 14) and (-4, y) is 4/9. What is the value of y?

Monica [59]

Answer:

slope=m=4/9

(x',y')=(5,14)

(x",y")=(-4,y)

we have

m=(y"-y')/(x"-x')

4/9=(-4-5)/(y-14)

4y-56=-81

4y=-81+56

y=-25/4

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2 years ago

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What is the area of the composite figure? _______ cm2 pls and ty

LuckyWell [14K]

The length of line in green = 5 cm
the length of line in yellow = 3 cm
the length of line in red = 6 cm
the length of line in white = 16 cm
the total area = 100 + 12 + 12 + 20 + 24 + 96 = 264 cm2

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2 years ago

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Suppose that you are headed toward a plataeu 70m high. If the angle of elevation to the top of the platau is 35 degree how far a

SIZIF [17.4K]

Answer:

The distance you are from the base of plateau = $99.97\ m\approx 100\ m$

Step-by-step explanation:

Given:

Height of plateau = 70 m

Angle of elevation to the top of plateau = 35°

To find the distance you are from the base of plateau.

We will construct a triangle ABC to model the given situation. The triangle would be a right triangle for which we know an angle and its opposite side. We need to find the adjacent side of the triangle.

We will apply trigonometric ratio to find the adjacent side.

$\tan\theta=\frac{Opposite\ Side}{Adjacent\ Side}$

where $\theta$ represents the angle of reference.

Plugging in the values from the triangle.

$\tan 35\° =\frac{BC}{AC}$

$\tan 35\° =\frac{70}{AC}$

Multiplying both sides by AC.

$AC\times \tan 35\° =AC\times \frac{70}{AC}$

$AC\times \tan 35\° =70$

Dividing both sides by $\tan 35\°$

$\frac{AC\times \tan 35\°}{\tan 35\°} =\frac{70}{\tan 35\°}$

∴ $AC=99.97\ m\approx 100\ m$

The distance you are from the base of plateau = $99.97\ m\approx 100\ m$

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2 years ago

What is 4 divided by 84? I don't understand how you get 21?

Romashka [77]

What is 4 divided by 84?

4 ÷ 84 = 0.04761904761....

4 divided by 84 isn't 21, but 84 divided by 4 is 21! 4 divided by 84 is asking how many times 84 goes into 4 which is not even 1.

4 divided by 84 = 0.04761904761....

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3 years ago

4.6p – 6.3p + 3.9 = –9.18

lozanna [386]

Are you looking for p=7.69411764

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2 years ago

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I'm dying of boredom. who else wanna talk ^-^​

I'm dying of boredom. who else wanna talk ^-^