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4vir4ik [10]
2 years ago
8

Please help a brother out I will give you brainliest -x-y=1 y=-x+4

Mathematics
1 answer:
Vera_Pavlovna [14]2 years ago
7 0

Answer:

x=3 y=1

Step-by-step explanation:

-x-y=1

y=-x+4

x=-y-1

x=-y+4

x=-1+4

<u>x=3</u>

y=-3+4

<u>y=1</u>

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Fill in the blank in the sentence below with the correct term. The _________ of the numbers -4 and 4 is 4
Ray Of Light [21]

Answer:

Absolute value

Step-by-step explanation:

Absolute value is how many numbers it takes to get back to zero therefore it can never be negative, I think the term absolute value fits the blank perfectly

5 0
2 years ago
5x + 6y when x = 16, y = -9
atroni [7]

Answer:

26

Step-by-step explanation:

5x+6y

substitute x=16 and y=-9:

5*16+6*(-9)

=80-54

=26

5 0
3 years ago
Please see the image and help with this homework problem. thank you!
dimulka [17.4K]

we have the function

E=\sin \frac{\pi}{14}t

Part a

For t=7

substitute in the given function

\begin{gathered} E=\sin \frac{\pi}{14}7 \\ E=1 \end{gathered}

For t=14

\begin{gathered} E=\sin \frac{\pi}{14}14 \\ E=0 \end{gathered}

For t=21

\begin{gathered} E=\sin \frac{\pi}{14}21 \\ E=-1 \end{gathered}

For t=28

\begin{gathered} E=\sin \frac{\pi}{14}28 \\ E=0 \end{gathered}

For t=35

\begin{gathered} E=\sin \frac{\pi}{14}35 \\ E=1 \end{gathered}

Observation: The values of E varies from -1 to 1, including the zero

Part B

Remember that

The Period goes from one peak to the next

so

Period=2pi/B

B=pi/14

Period=(2pi)/(pi/14)=2pi*14/pi=28

<h2>the period is 28 days</h2>
6 0
1 year ago
Which equation represents the amount of money that Mr. Cooney earns in x hours? math
padilas [110]

Nobody can really answer this unless you can just give a random equation like 5*x=25 something like that

4 0
3 years ago
Read 2 more answers
Factor completely 3x^2 − x − 4.
ozzi

3x^2 − x − 4

factor

= (3x − 4)(x + 1)


answer

D. (3x − 4)(x + 1)

8 0
2 years ago
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