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2 years ago

What is the measure of angles for x and y?

Mathematics

1 answer:

Likurg_2 [28]2 years ago

8 0

Sooooooooo You got a picture?

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What is the volume of this cube?

Kitty [74]

A cube is a three dimensional figure with all edges equal.

So it length = width = height

The formula to find the volume of a cube is

V = s³.

Here s represents the length of the cube.

In the given question we are given s = 2.1 cm

So the volume of the cube shall be

V = 2.1³

V = 2.1 × 2.1 × 2.1

V = 9.261 cm³

Now this can be rounded off to two decimals as 9.26 cm³

The volume of the required cube is 9.261 cm³ 0r 9.26 cm³

5 0

2 years ago

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Can sameone help me please

lisov135 [29]

X intercept: (-2,0)

Y intercept: (0,5)

Have a wonderful and blessed day!

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2 years ago

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Could somebody help me with

JulijaS [17]

Answer:

t + 0.8 =1.5

Step-by-step explanation:

Our objective is to get to 1.5. we know that part of the distance is 0.8 but we don't know the other half (t).

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2 years ago

Divide the following fractions 1/4÷1/2

artcher [175]

1/4 / 1/2 =
1/4 x 2/1 = 2/4 = 1/2

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2 years ago

Assume that the flask shown in the diagram can be modeled as a combination of a sphere and a cylinder. Based on this assumption,

kompoz [17]

If the flask shown in the diagram can be modeled as a combination of a sphere and a cylinder, then its volume is

$V_{flask}=V_{sphere}+V_{cylinder}.$

Use following formulas to determine volumes of sphere and cylinder:

$V_{sphere}=\dfrac{4}{3}\pi R^3,\\ \\V_{cylinder}=\pi r^2h,$

wher R is sphere's radius, r - radius of cylinder's base and h - height of cylinder.

Then

$V_{sphere}=\dfrac{4}{3}\pi R^3=\dfrac{4}{3}\pi \left(\dfrac{4.5}{2}\right)^3=\dfrac{4}{3}\pi \left(\dfrac{9}{4}\right)^3=\dfrac{243\pi}{16}\approx 47.71;$
$V_{cylinder}=\pi r^2h=\pi \cdot \left(\dfrac{1}{2}\right)^2\cdot 3=\dfrac{3\pi}{4}\approx 2.36;$
$V_{flask}=V_{sphere}+V_{cylinder}\approx 47.71+2.36=50.07.$

Answer 1: correct choice is C.

If both the sphere and the cylinder are dilated by a scale factor of 2, then all dimensions of the sphere and the cylinder are dilated by a scale factor of 2. So

R'=2R, r'=2r, h'=2h.

Write the new fask volume:

$V_{\text{new flask}}=V_{\text{new sphere}}+V_{\text{new cylinder}}=\dfrac{4}{3}\pi R'^3+\pi r'^2h'=\dfrac{4}{3}\pi (2R)^3+\pi (2r)^2\cdot 2h=\dfrac{4}{3}\pi 8R^3+\pi \cdot 4r^2\cdot 2h=8\left(\dfrac{4}{3}\pi R^3+\pi r^2h\right)=8V_{flask}.$

Then

$\dfrac{V_{\text{new flask}}}{V_{\text{flask}}} =\dfrac{8}{1}=8.$

Answer 2: correct choice is D.

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3 years ago

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What is the measure of angles for x and y?​

What is the measure of angles for x and y?