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3 years ago

Help plz :(( I'll give brainliest

Mathematics

1 answer:

tamaranim1 [39]3 years ago

7 0

For A. the muddy water will slowly begin to decrease because it's been left out in the sun, some of the water will begin to evaporate.

(I don't know about B, or C, but I tried my best on A.)

Make sure to put in your own words. :)

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What's is 2/9 divide 2/3

avanturin [10]

The answer is 1/3 or 0.3333

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3 years ago

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I WILL MARK AS BRANLIEST Mike has a piece of land that is made up of 6 triangles.Each triangle has a base of 8 feet and a height

PilotLPTM [1.2K]

Answer:

240 ft^2

Step-by-step explanation:

If you know you have 6 triangles then you can just find the area of one and then multiply by 6. First find your formula: (b)(h)/ 2

Next plug in: (8)(10)/2 = 40

Now you know the area of one so multiply by 6: (40)(6) = 240 ft^2

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4 years ago

Which polar equation represents an ellipse?

tatuchka [14]

Answer:

$r=\frac{1}{3+2cos\theta}$

Step-by-step explanation:

Let us write the equations in standard form:

$r=\frac{1}{3+2cos\theta} \implies r=\frac{\frac{1}{3} }{1+\frac{2}{3}\cos \theta }$

We have

$e=\frac{2}{3}\:$ and

$ep=\frac{1}{3}$

Since the eccentricity of this conic is less than 1, the conic represents an ellipse.

The second equation is $r=\frac{3}{2+3\sin \theta}$ .

This is a hyperbola, because eccentricity is more than 1.

The third equation is $r=\frac{5}{2+2\sin \theta}$ .

This is a parabola, because eccentricity is 1.

The fourth equation is $r=\frac{2}{2-3\sin \theta}$ .

This is also a hyperbola, because eccentricity is more than 1.

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4 years ago

Can the sides of a triangle have lengths 8.6, 6.6, and 3.3?<br> yes<br> no

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Answer:

Yes

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of the lengths of any 2 sides of a triangle must exceed the length of the third side.

8.6+6.6>3.3 is true

6.6+3.3>8.6 is true

3.3+8.6>6.6 is true

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3 years ago

The width of a rectangular prism is six times its length. The height is five times its length. If its length is m units, what is

I am Lyosha [343]

Answer:

$30m^3$ cubic units.

Step-by-step explanation:

Let m represent length of the rectangular prism.

We have been given that the width of a rectangular prism is six times its length, so width of the prism would be $6m$ .

We are also told that the height is five times its length, so height of the prism would be $5m$ .

We know that volume of rectangular prism is height times width times length.

$\text{Volume of rectangular prism}=lwh$

$\text{Volume of rectangular prism}=m\cdot 6m\cdot 5m$

$\text{Volume of rectangular prism}=30m^3$

Therefore, the volume of the given rectangular prism would be $30m^3$ cubic units.

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3 years ago