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Fantom [35]
3 years ago
9

Please helppp, its due today and I have a bunch of other stuff to do!! I would appreciate all the help

Mathematics
1 answer:
Lena [83]3 years ago
3 0

Answer:

x+8=Y

0,8

1,9

2,10

3,11

4,12

5,13

2x=Y

0,0

1,2

2,4

3,6

4,8

5,10

Step-by-step explanation:

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8,17,26 find the 31st term
ch4aika [34]

Answer:

T31= 278

Step-by-step explanation:

formula is Tn=a +(n-1)d

T31= 8+(31-1)9

T31=8+(30)9

T31=8+270

T31=278

8 0
2 years ago
PLEASE HELP I NEED THIS I AM GIVING LOTS OF POINTS!!!!!!!!!!! How many 1/3 inch cubes does it take to fill a box with width 2 2/
maria [59]
<h3>Answer:  560</h3>

===================================================

Work Shown:

Let's find out how many smaller cubes are needed to go along the 2 & 2/3 inch side length of the bigger box.

First convert to an improper fraction

2 & 2/3 = 2 + 2/3 = 6/3 + 2/3 = 8/3

Divide this over the side length of the small cube to get

8/3 divided by 1/3 = (8/3)*(3/1) = 24/3 = 8

So we need exactly 8 small cubes along the 2 & 2/3 inch side length.

Let A = 8 so we can use this later.

------------------

Repeat the same steps for the 3 & 1/3 inch side length

3 & 1/3 = 3 + 1/3 = 9/3 + 1/3 = 10/3

10/3 divided by 1/3 = (10/3)*(3/1) = 30/3 = 10

We need 10 cubes along the 3 & 1/3 inch side length.

Let B = 10.

------------------

Repeat for the 2 & 1/3 inch side length

2 & 1/3 = 2 + 1/3 = 6 + 1/3 = 7/3

7/3 divided by 1/3 = (7/3)*(3/1) = 21/3 = 7

We need 7 cubes along the 2 & 1/3 inch side length

Let C = 7

------------------

Multiply out the values of A,B,C to get

A*B*C = 8*10*7 = 560

This means we need 560 cubes that are each 1/3 of an inch along the the side to fill up a box that has dimensions of 2 & 2/3 inches by 3 & 1/3 inches by 2 & 1/3 inches.

5 0
3 years ago
Which of the following is a third root of the given complex number.
Leokris [45]

Answer:

The correct option is C.

Step-by-step explanation:

The given complex number is

z=64(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}])

We need to find the third root of the given complex number.

z^{\frac{1}{3}}=(64(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}]))^{\frac{1}{3}}

z^{\frac{1}{3}}=64^{\frac{1}{3}}(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}])^{\frac{1}{3}}

z^{\frac{1}{3}}=4(\cos[\frac{\pi}{7}]-i\sin[\frac{\pi}{7}])^{\frac{1}{3}}

De moivre's theorem:

(\cos\theta+i\sin\theta)^n=\cos n\theta+i\sin n\theta

where, n is an integer.

Using de moivre's theorem, we get

z^{\frac{1}{3}}=4(\cos[\frac{\pi}{7}\times \frac{1}{3}]-i\sin[\frac{\pi}{7}\times \frac{1}{3}])

z^{\frac{1}{3}}=4(\cos[\frac{\pi}{21}]-i\sin[\frac{\pi}{21}])

Therefore the correct option is C.

6 0
3 years ago
Read 2 more answers
Match the ordered pairs so that the relation defined by the set of ordered pairs does not represent a function.
prisoha [69]
From what I understand about the problem, I think you have to match them so that the x values are the same.  For two coordinate points to be on the same function, every x has to have its own y.  Since we're trying to <em>not </em>make a function, we should deliberately match the x values.

(2,3) (2,2)
(-5,2) (-5,1)
(6,-5) (6,5)
(-1,0) (-1,6)

I'm not sure where the (0,3) belongs.
5 0
4 years ago
Need help quick please!!!<br> Could you please explain the answers to both questions? Thanks!
marissa [1.9K]
For the triangle picture:

2/6 = 5/x

2x = 30

x = 15


For the other picture:

3.2/2 = a/8

The third option applies.


Other option does not apply.
Because for Option 4,
It should be 2/3.2 = b/6.4

For option 3,
it should be b/6.4 = 5/8
7 0
3 years ago
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