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elena55 [62]
3 years ago
5

50 POINTS AND BRAINLIEST. PLZ ANSWER!!!

Mathematics
2 answers:
Makovka662 [10]3 years ago
4 0

thx I HAD TO BRO DAB ON THEM HATERS

Nimfa-mama [501]3 years ago
3 0

Answer:

hi and thx

Step-by-step explanation:

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Describe the effect of the transformation (x,y) --> (x,y+4)
muminat

Answer:

D. Vertical translation of 4 units.

Step-by-step explanation:

This transformation keeps x the same but shifts y up 4 units (adding 4 to it). This is a vertical shift up 4, which we can also call a vertical "translation."

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3 years ago
The height of a cone is twice the radius of its base. What expression represents the volume of the cone, in cubic units?
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Answer:

Step-by-step explanation:

Radius  = r units

Height = 2r

Volume of cone = (1/3)πr²h

=\frac{1}{3}*\pi*r^{2}*(2r)\\\\=\frac{2}{3}\pi r^{3}

6 0
3 years ago
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1.) The diagonal lengths are equal

2.) The diagonals are perpendicular

Step-by-step explanation:

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3 years ago
Question 13 of 25<br> True or false? The graph represents a function
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5 0
2 years ago
Answer fast please will give brainliest
DIA [1.3K]

Answer:

Approximately 14.65 kilometers.

Step-by-step explanation:

Please refer to the drawing.

So, to find our distance, we essentially just need to find the value of x.

To do so, we can use the Law of Sines.

Note that ∠a corresponds to the 12km, and ∠c corresponds to x.

So, let's find each of the angles first.

Note that from our ending point, the bearing to the lighthouse is 125°.

This means, if you refer to the drawing:

a+b=90

This is because they are complementary.

We also know that:

90+b=125

From our bearing.

So, let's solve for b. Subtract 90 from both sides:

b=35

Substitute this back into our first equation to acquire:

a+35=90

Subtract 35 from both sides:

a=55\textdegree

Now, we can use the fact that the interior angles of a triangle sum to 180 to find c. We already know that one angle is 36 and the other is 55. So:

36+55+c=180

Add:

91+c=180

Subtract 91 from both sides:

c=89\textdegree

Now, we can use the Law of Sines, which states:

\frac{\sin(A)}{a}=\frac{\sin(B)}{b}=\frac{\sin(C)}{c}

It doesn't really matter which ratio we use as long as we align the sides and angles correctly.

Recall that ∠a correspond to 12km while ∠c corresponds to x.

So, let's substitute 12 for a, 55 for A, x for b, and 89 for B. This yields:

\frac{\sin(55)}{12}=\frac{\sin(89)}{x}

So, to find the distance traveled, we just have to find x.

Cross-multiply:

12\sin(89)=x\sin(55)

Divide both sides by sin(55). This yields:

x=\frac{12\sin(89)}{\sin(55)}

Divide. Use a calculator. Make sure you're in Degrees mode. This gives us:

x\approx14.65

So, the ship approximately traveled 14.65 kilometers from Point A to Point B.

And we're done!

7 0
3 years ago
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