4 years ago

Is 26,341 divisible by 3 if it is write the number as a product of 3

Mathematics

1 answer:

Softa [21]4 years ago

5 0

26,341 is not divisible by 3.

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Which of the following represents a geometric series (remember what a series is as opposed to a sequence)?

luda_lava [24]

The first answer is correct

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3 years ago

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The two data sets are dependent. find d-bar to the nearest tenth. a 69 66 61 63 51 b 25 23 20 25 22

Agata [3.3K]

The data sets ar
<span>a 69 66 61 63 51
b 25 23 20 25 22
Calculating for di
di 44 43 41 38 29

The d-bar is just average of all di
d-bar = (44 + 43 + 41 + 38 + 29) / 5 = 39
The d-bar is 39 </span><span />

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3 years ago

Convert the complex number 3 + 3i into its polar representation.

Gala2k [10]

Answer:

$z=3(cos 45^{\circ} + i sin 45^{\circ})$

Step-by-step explanation:

The given complex number is:

$z=3+3i$

First of all, we find the modulus of the complex number.

Given a complex number written in the form

$z=a+ib$

The modulus is given by

$\rho =\sqrt{a^2+b^2}$

Here we have:

a = 3

b = 3

So the modulus is

$\rho=\sqrt{3^2+3^2}=3$

Now we find the argument. The argument is given by the equation:

$tan \theta = \frac{b}{a}$

In this case,

a = 3

b = 3

So the argument is:

$\theta=tan^{-1}(\frac{3}{3})=45^{\circ}$

So we can rewrite the complex number using polar representation as:

$z=\rho (cos \theta + i sin \theta)$

$z=3(cos 45^{\circ} + i sin 45^{\circ})$

5 0

4 years ago

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The slope is -8/7 and the coordinates are (4,4).Whats the answer?

hjlf

Y - y1 = m(x - x1)
slope(m) = -8/7
(4,4)...x1 = 4 and y1 = 4
sub
y - 4 = -8/7(x - 4) <== answer C

7 0

3 years ago

Francisco states the following: When two or more factors are multiplied and they have the same sign, the product is positive. Li

Free_Kalibri [48]

Answer: Francisco is correct

Step-by-step explanation:

Positive 4 and positive 7

Negative 3 and negative 2

4 * 7 = 28

-3 * -2 = 6

8 0

4 years ago