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3 years ago

Will give brainiliest, 15 points!! Please help, due in 10 minutes.

Mathematics

1 answer:

FromTheMoon [43]3 years ago

6 0

Table 3
y=Mx+b
y=-2x+10

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How can I find the exact trigonometric function ?

Usimov [2.4K]

Cos (180) = - 1

I just plugged it into a calculator.

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4 years ago

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I really need help!!!!!!

Citrus2011 [14]

We know that, In a Right Angled Triangle :

✿ (Hypotenuse)² = (First Leg)² + (Second Leg)²

From the Diagram :

✿ Hypotenuse = x

✿ First Leg $\bf{= 2\sqrt{3}}$

✿ Second Leg $\bf{= \sqrt{6}}$

$\bf{\implies x^2 = (2\sqrt{3})^2 + (\sqrt{6})^2}$

$\bf{\implies x^2 = 12 + 6}$

$\bf{\implies x^2 = 18}$

$\bf{\implies x = 3\sqrt{2}}$

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4 years ago

What is x^2 = 2y when you have to make the subject x

algol13

X^2=2y
To get x on its own you would have to square root both sides so you would end up with:
x=sqrt(2y)

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3 years ago

Find the area of the figure.

skelet666 [1.2K]

Answer:

132 cm^2

Step-by-step explanation:

7x4 is 28 for the top rectangle.

Bottom left triangle is bh/2 which here is 8x6/2 which is 24.

The same goes for the bottom right triangle.

Lastly the middle triangle is 7*8 which is 56.

Hence, 56+28+24+24=132!

Hope it helped!

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4 years ago

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Find the height of a right cylinder with surface area 160pie square units and radius 5 units

jenyasd209 [6]

Given:

Radius of a cylinder = 5 units.

Surface area of the cylinder = $160\pi$

To find:

The height of the right cylinder.

Solution:

Surface area of a cylinder is:

$A=2\pi rh+2\pi r^2$

Where, r is radius and h is the height of the cylinder.

Putting $r=5, A=160\pi$ in the above formula, we get

$160\pi =2\pi (5)(h)+2\pi (5)^2$

$160\pi =10\pi h+2\pi (25)$

$160\pi =10\pi h+50\pi$

Subtract $50\pi$ from both sides.

$160\pi -50\pi=10\pi h$

$110\pi=10\pi h$

Divide both sides by $10\pi$ .

$\dfrac{110\pi}{10\pi}=h$

$11=h$

Therefore, the height of the cylinder is 11 units.

8 0

3 years ago