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3 years ago

14

A circle with the center at the origin and a radius length of 7

1 answer:

Novay_Z [31]3 years ago

6 0

(7,0), (-7,0), (0,7), (0,-7)

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What is the answer of:<br> z^2 - 4z^2

Novosadov [1.4K]

$z^2 - 4 z^2$

$z - 4z$

$= - 3 z^2$

hope this helps!.

4 0

3 years ago

100 POINTS HELP ASAP Linear Combination

notka56 [123]

Answer:

1) $x=\dfrac12$

2) $n = -3 \ \ \textsf{and} \ \ m = -4$

3) see below

4) A: 0 = 1

Step-by-step explanation:

<u>Question 1</u>

$15-0.5(4x-2)+4x=17$

$\implies 15-2x+1+4x=17$

$\implies 2x+16=17$

$\implies 2x=1$

$\implies x=\dfrac12$

<u>Question 2</u>

$\textsf{rearrange} \ n=m+1 :$

$\implies -m=-n+1$

$\textsf{add equations} \ -m=-n+1 \ \textsf{and} \ m=2n+2:\\$

$\implies0=n+3$

$\implies n=-3$

$\textsf{substitute} \ \ n=-3 \ \ \textsf{into} \ \ m=n-1:$

$\implies m=-3-1$

$\implies m=-4$

<u>Question 3</u>

subtract the second equation from the first

divide both sides by -4

substitute found value for y into first equation

solve for x

<u>Question 4</u>

$3j=k$

$k=3j+1$

$\textsf{rearrange} \ 3j=k :$

$\implies -k=-3j$

$\textsf{add equations}\ -k=-3j \ \ \textsf{and}\ \ k=3j+1:$

$\implies 0=1$

Solution = A

6 0

2 years ago

Write the word sentence as an equation.

____ [38]

Answer:

9+1/4g = h

Step-by-step explanation:

5 0

2 years ago

A spinner is divided into 8 equal sections, and each section contains a number from 1 to 8. What is the probability of the spinn

Elodia [21]

Answer:

StartFraction 1 over 8 EndFraction

Step-by-step explanation:

It would be 1/8 because there is 8 sections on the spinner and 5 is on 1 section of the spinner so it would 1/8.

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3 years ago

What is the next term in the sequence?<br> 2, -4, 8, -16, ...

worty [1.4K]

Answer:

32

Step-by-step explanation:

it multiplies by -2 every time

5 0

3 years ago