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3 years ago

Please help me with the circled ones !

Mathematics

1 answer:

TiliK225 [7]3 years ago

4 0

i can only help you with the volume of #5.

So the volume of a cylinder is = πr²h.

First , put the numbers in the equation.

π(6)² (14)

Next you solve.

π(6)²(14) = 36 (14) π = 504π

V= 504π

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'2aa4b' is a 5 digit number and when its divided by '36' it gives '11' as remainder. What is the sum of the values 'a' can have.

OverLord2011 [107]

The only 5-digit numbers that do the job are 21,143 and 28,847 .

So, either
a = 1 and
b = 3

or
a = 8 and
b = 7 .

The sum of the values that 'a' can have is (1 + 7) = <em>8</em> .

I shall cherish every one of your generous 5 points.

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uranmaximum [27]

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Step-by-step explanation:

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Colt1911 [192]

Hello!

√28x³y³ is equal to $2xy\sqrt{7xy}$

We can find this solution through the following steps.

Rewriting the equation by factoring 4 from 28, factoring out x², and factoring out y²
We then can rewrite 4 as 2² in our equation, leaving us with $\sqrt{2^{2}*7*(x^{2}x)*y^{2}y }$
We will then move our x and 7, and rewrite $2^{2}*x^{2}* y^{2}$ as $(2xy)^{2}$
We can then pull the terms from the radical leaving us with $2xy\sqrt{7xy}$

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4 years ago

Which is the graph of y= cos(x-pi)

marshall27 [118]

Answer:

graph attached

Step-by-step explanation:

A graph is a pictorial representation that represent the relationship between two or more things.

Cosine function is periodic with period $2\pi$ . If the point $(x,y)$ lies on the graph, point $(x+2k\pi ,y)$ will also lie on the graph where k is any integer.

Here,

$cos(x-\pi )=cos[-(\pi -x)]=cos(\pi -x)=-cos x$

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3 years ago

What is five divided by five thousand four hundred thirty

Molodets [167]

0.0009208 you can round it to 0.0009 if you want.

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