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Mrrafil [7]
4 years ago
10

Can someone help me plz​

Mathematics
1 answer:
stepan [7]4 years ago
5 0

Step-by-step explanation:

The top one is a function because the domain/input (on left) has one and only one range/output (on right). Meanwhile the other problem is not a function because the input 'C' has 2 outputs, 'F' and 'G'

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Solve the system of equations algebraically.
Sveta_85 [38]

Answer:

x = -7 , y = 5 thus D)

Step-by-step explanation:

Solve the following system:

{4 x - 4 y = -48 | (equation 1)

5 x - 6 y = -65 | (equation 2)

Swap equation 1 with equation 2:

{5 x - 6 y = -65 | (equation 1)

4 x - 4 y = -48 | (equation 2)

Subtract 4/5 × (equation 1) from equation 2:

{5 x - 6 y = -65 | (equation 1)

0 x+(4 y)/5 = 4 | (equation 2)

Multiply equation 2 by 5/4:

{5 x - 6 y = -65 | (equation 1)

0 x+y = 5 | (equation 2)

Add 6 × (equation 2) to equation 1:

{5 x+0 y = -35 | (equation 1)

0 x+y = 5 | (equation 2)

Divide equation 1 by 5:

{x+0 y = -7 | (equation 1)

0 x+y = 5 | (equation 2)

Collect results:

Answer:  {x = -7 , y = 5

7 0
4 years ago
Help please me I don’t understand this :)
evablogger [386]

Answer:

Step-by-step explanation:

y=-1 is a horizontal line going through y=-1. x=-1 is a vertical line going through x=-1.

y=-1 has a slope of zero. the y-intercept is -1.

x=-1 has no slope. the slope is undefined. there is no y-intercept.

5 0
3 years ago
How do I do A, B, and C on #2?<br> How do I do #3?<br><br><br> PLEASE, I REALLY NEED HELP. PLEASE.
kodGreya [7K]

Answer:

Dude the picture is really blurry

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
One of the fastest recorded speeds of a cheetah is 26.8 m/s. Approximately, what is this speed in kilo meters per hour?
dangina [55]
96.48 kilometers per hour
3 0
4 years ago
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I don’t know how to answer this
oee [108]

Answer:

m∠1=66

m∠3=66

m∠4=114

Step-by-step explanation:

m∠1+m∠2=180

m∠1+114=180

m∠1=66

m∠1=m∠3

66=m∠3

m∠4=m∠2

m∠4=114

5 0
3 years ago
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