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BaLLatris [955]

3 years ago

12

Partial quotients 8 dived by 832

1 answer:

avanturin [10]3 years ago

6 0

My answer would be .0010! I hope this helps?

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30. What is the solution to the system of equations? (1 point)

sesenic [268]

Answer:

Option B) (-1,7,5) is correct.

The solution to the given system of equation is (-1,7,5)

Step-by-step explanation:

Given system of equations are

$-7x-2y+z=-2\hfill (1)$

$6x-y-z=-18\hfill (2)$

$5x+4y-z=18\hfill (3)$

To find the solution of the given system of equations by using Elimination method:

Now adding equations (1) and (2)

$-7x-2y+z=-2$

$6x-y-z=-18$

_________________

$-x-3y=-20$

________________

$-x-3y=-20$

$-(x+3y)=-20$

$x+3y=20\hfill (4)$ (since "-" getting cancelled)

Now adding equations (1) and (3)

$-7x-2y+z=-2$

$5x+4y-z=18$

_________________

$-2x+2y=16$

________________

$-2x+2y=16$

$2(-x+y)=16$

$-x+y=8\hfill (5)$

Now adding equations (4) and (5)

$x+3y=20$

$-x+y=8$

_________________

$4y=28$

________________

$y=\frac{28}{4}$

Therefore y=7

Substituting y=7 in equation (4)

$x+3y=20$

$x+3(7)=20$

$x+21=20$

$x=20-21$

Therefore x=-1

Now substituting the values x=-1 and y=7 in equation (1) we get

$-7x-2y+z=-2$

$-7(-1)-2(7)+z=-2$

$7-14+z=-2$

$z=-2+7$

Therefore z=5

Therefore the solution to the given system of equation is (-1,7,5)

Therefore Option B) (-1,7,5) is correct.

8 0

3 years ago

nikitadnepr [17]

Answer:

B

Step-by-step explanation:

$\sin{x}=\frac{5}{13}, \cos{x}=\sqrt{1-(\frac{5}{13})^2}=\frac{12}{13}$

$\sin{y}=\frac{8}{17}, \cos{y}=\sqrt{1-(\frac{8}{17})^2}=\frac{15}{17}$

$\cos(x+y)=\cos{x}\cos{y}-\sin{x}\sin{y}\\=\frac{12}{13}\times\frac{15}{17}-\frac{5}{13}\times\frac{8}{17}\\=\frac{140}{221}$

3 0

2 years ago

Eva makes a few dozen cupcakes and sells them for $8 a dozen. Which function represents the relationship between the money Eva e

goblinko [34]

C8=m
The dozens of cupcakes she sells, multiplied by 8, is equal to the money she earns.
Hope this helps!

8 0

3 years ago

Read 2 more answers

List the numbers shown from least to greatest.<br> 3.5, 10, V14<br> = 3.5<br> = V14<br> 3

Rus_ich [418]

The answer is
3.5
10
V14

7 0

3 years ago

Verify that the following function is a cumulative distribution function.

SOVA2 [1]

Answer:

Following are the answer to this question:

Step-by-step explanation:

In the given equation there is mistyping so, correct equation and its calculation can be defined as follows:

Given:

$f(x) =\left\begin{array}{cc} 0&x< 1\\0.5& 1 < x$

Calculated value:

$1) \ \ P(x < 3) =1\\\\2) \ \ P(x < 2) = 1-0.5 \\$

$= 0.5$

$3) P(1 < x < 2) = P( x< 2) -p(x< 1)\\\\$

$=0.5-0\\=0.5\\$

$4) \ \ P(x> 2)= 1-P(x$

$=1-0.5\\=0.5\\$

That's why the given equation is true.

7 0

3 years ago