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3 years ago

15

Change the polar coordinates to rectangular coordinates. (a) (3, 5π/6)

1 answer:

elixir [45]3 years ago

6 0

Ok so given the point (r, theta)
The corresponding Cartesian point is (r*sin(theta), r* cos(theta)) you can think about this by analyzing the points on a unit circle which is a graph of a polar circle with radius 1 and angle theta

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What is the quotient written in scientific notation? 6 x 10^24 /8 x 10^8

Artist 52 [7]

When you divide 6x10^24 by 8x10^8 you end up with $\frac{6}{8} x10^{16}$

This simplifies to $0.75x10^{16}$

Now this number is not written in scientific notation as it does not have its first digit before the decimal, so we must move the decimal of this one to the right.

To do that you must multiply the number by 10.

This means that the exponet of 10 must decrease by 1.

This makes the answer $7.5x10^{15}$

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3 years ago

Read 2 more answers

For y = 6x + (-2) what is y when x = -1

PilotLPTM [1.2K]

Answer:

12

Step-by-step explanation:

6(-1)+(-2)

-6(-2)

12

I might be wrong so please forgive me if I am.

6 0

3 years ago

If a/4 = 9/a, then<br> a²=36<br> 4a = 9a<br> a + 4 = 9 + a<br> a - 4 = 9 - a

Anna [14]

Answer:

Option A is correct.

The given expression : $\frac{a}{4} = \frac{9}{a}$ then;

$a^2 = 36$

Step-by-step explanation:

Given the expression: $\frac{a}{4} = \frac{9}{a}$

Cross multiplication the given expression following steps are as follow;

Multiply numerator of the left-hand fraction by the denominator of the right-hand fraction

Also, Multiply numerator of the right-hand fraction by the denominator of the left-hand fraction.

then, set the two products equal to each other.

Using cross multiplication, on the given expression;

$\frac{a}{4} = \frac{9}{a}$

First multiply the numerator of the left hand fraction(i.e,a ) by the denominator of the right hand fraction (i,e a)

we have;

$\frac{a \times a}{4} = 9$

Simplify:

$\frac{a^2}{4} =9$ [1]

now, multiply numerator of the right-hand fraction( i.e, 9) by the denominator of the left-hand fraction (i.e, 4 ) in [1]

we have;

$a^2 = 9\times 4$

Simplify:

$a^2 = 36$

Therefore, the given expression is equal to: $a^2 = 36$

6 0

3 years ago

Read 2 more answers

1. A color printer print 10 pages in three minutes. How many minutes does it take per page?

Butoxors [25]

1. 10 pages ->3 min
1 page->0.3min or 18 seconds

2. $28->6h
$28/6->1h
$4/2/3 or $14/3->1h

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3 years ago

In the adjoining figure cross out dissimilar one and represent the set formed by following method

Over [174]

Answer:

cross out 4

Step-by-step explanation:

explanation

3 0

1 year ago