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3 years ago

FIND: Good old y-intercept!

Mathematics

1 answer:

Nataly_w [17]3 years ago

4 0

Answer: easy, to find the y- intercept you have to take a set of points and put it into slope form

Step-by-step explanation:

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A 8 ft tall cardboard box standing next to a man casts a 20 ft shadow. If the man casts a shadow that is 15 ft long, then how ta

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Answer:

The answer is that he would be 27 ft tall

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2 years ago

Solve the inequality. Graph the solution set and write it in interval notation. .

STALIN [3.7K]

Answer:

-4

Step-by-step explanation:

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2 years ago

Addition Property of

Mandarinka [93]

1.) x=4
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3 years ago

Read 2 more answers

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

wel

Answer:

$z=\frac{15\sqrt{3}}{2}$

Step-by-step explanation:

In leftmost triangle:

opposite side =y

adjacent=a

now, we can use trig formula

$tan(60)=\frac{y}{a}$

now, we can solve for y

$y=atan(60)$

In rightmost triangle:

adjacent=b

opposite=y

a+b=15

b=15-a

now, we can use trig formula

$tan(30)=\frac{y}{15-a}$

now, we can solve for y

$y=(15-a)tan(30)$

now, we can set them equal

and then we can solve for a

$atan(60)=(15-a)tan(30)$

$\sqrt{3}a\cdot \:3=\frac{\sqrt{3}\left(15-a\right)}{3}\cdot \:3$

$4\sqrt{3}a=15\sqrt{3}$

$a=\frac{15}{4}$

now, we can find b

$b=15-\frac{15}{4}$

$b=\frac{45}{4}$

now, we can use trig formula

$cos(30)=\frac{b}{z}$

now, we can find z

$z=\frac{\frac{45}{4}}{cos(30)}$

we can simplify it

and we get

$z=\frac{15\sqrt{3}}{2}$

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3 years ago

4(sin^3x+cos^3x)=cosx+3sinx

Y_Kistochka [10]

Answer:

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3 years ago