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TEA [102]
3 years ago
13

Graph the solution for the following linear system x+y>0 x+y+5<0

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
5 0
Undefineeddd, calculator said so.
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I need help finding the answer!!
Whitepunk [10]

Answer:

The second option

Step-by-step explanation:

Here, we need to multiply each part of the matrix by -10.

This will give us: [ -230 380 ]

                           [ -170    60 ]

So, the answer is the second option.

3 0
2 years ago
Find the least common denominator. Then express each fraction using the least common denominator. 3/10 and 2/15
REY [17]

Answer:

9/30 and 4/30

Step-by-step explanation:

find common denominator of 30

multiply 3 by 10 and 2 by 15

multiply 3 by 3 and 2 by 2

answer

7 0
3 years ago
Simultaneous Equations <br> 2x+4y=22 <br> 2x+2y=15
Aleks04 [339]

Answer:

x = 4

y = \frac{7}{2}

Step-by-step explanation:

Ummmm

I'm not sure if this is corrrect but this is what I got

So first you solve 2x+4y=22 to find x

and you get x = -2y+11

Then you have to subtitute -2y+11 for x in 2x+2y=15

which you then get y= \frac{7}{2}

After you have to subttitute y= \frac{7}{2}  for y in x = -2y+11

which you get as x=4

Finally you get the answer as:

x = 4

y = \frac{7}{2}

5 0
3 years ago
*PLEASE HELP WILL GIVE 60 POINTS I'M DESPERATE*
Zina [86]

Answer:

(0, 3)

Step-by-step explanation:

1. Find the slope:

\frac{y_{2} -y_{1} }{x_{2}-x_{1}  } =\frac{0-(-3)}{-4-(-8)}\\ \\=\frac{3}{4}

2. Calculate the y-intercept using a given point:

(-8, -3)

-3 = \frac{3}{4} (-8) + b

-3 = -6 + b

-3+6 = -6+6 + b

3 = b

3. Write in slope intercept form:

y= \frac{3}{4} x+3

Therefore, the y-intercept is 3.

The graph for this table is shown below.

hope this helps :)

4 0
2 years ago
Read 2 more answers
Chords and Arcs - Guided Practice
Mariulka [41]

Answer:

Step-by-step explanation:

A) 120 / 2 = 60°

B) 180 - 90  60 = 30°

C) 60° same as arc length GE in part A above

D) 9 units = Rsinθ = 18sin30

3 0
3 years ago
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