3 years ago

Please explain how to figure this out.

Mathematics

1 answer:

Alexxandr [17]3 years ago

3 0

Multiply the area of the base by the height of the pyramid and divide it by 3

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Write the equation of the ellipse using the given information:

horsena [70]

We know, equation of ellipse is given by :

$\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1$

Here,

(h,k) is centre of the ellipse = (0,0).

a = major axis = 8.

b = minor axis = 4.

Putting all given value in above equation, we get :

$\dfrac{(x-0)^2}{8^2}+\dfrac{(y-0)^2}{4^2}=1\\\\\dfrac{x^2}{8^2}+\dfrac{y^2}{4^2}=1\\\\\dfrac{x^2}{64}+\dfrac{y^2}{16}=1$

Hence, this is the required solution.

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3 years ago

1. The digit 7 is in what place in these numbers?<br> (a) 271<br> (b) 793<br> (c) 407

QveST [7]

A)tenths
B)hundreds
C)ones

5 0

2 years ago

Read 2 more answers

Two thirds a number plus 4 is 7

tresset_1 [31]

The number is 4.5 because 2 thirds of 4.5 is 3 and 3 plus 4 is 7.

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3 years ago

A machine costs 7500. Its value decreases by 5% every year due to usage. what will be its price after 1 year?

Arada [10]

Answer:

12000 will be the price of machine after 1year.

Step-by-step explanation:

As i got.

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3 years ago

What is the primary difference between exponential and linear functions?

Yanka [14]

Answer:

Step-by-step explanation:

We know that the growth of a linear function will always be constant. So, that eliminates B and C.

A quadratic function can be a function such as $x^2$ , or $5x^2+7x$ , etc.

An exponential function wouldn't be $x^2$ , it would be $2^x$ ! Or $3^x$ , or $(1.738283)^x$ , etc. Therefore, D is eliminated.

So, the answer is $\boxed{A}$ and we're done!

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2 years ago