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tatyana61 [14]
3 years ago
7

20 PTS & BRAINLIEST TO CORRECT ANSWER!!!!

Mathematics
2 answers:
ELEN [110]3 years ago
7 0
For the equation y - x < 0,y < xThe shaded portion will be under the dashed line joining points (-2, -2) and (3, 3).
for the equation x - 1 > 0,x > 1The shaded portion will be to the right of the dashed line joining points (1, 5) and (1, -3).
The portion affected by the two shadings will be the portion common to the right of the dashed line joining points (1, 5) and (1, -3) and under the dashed line joining points (-2, -2) and (3, 3).Therefore the correct answer is option c. 
Andrews [41]3 years ago
5 0

Answer:

y>x+3 and y\leq x+2

Step-by-step explanation:

Step 1

Find the equation of the inequality A (dashed line)

we know that

The solution of the inequality A is the shaded area above the dashed line

The equation of the dashed line is y=x+3

therefore

The equation of the inequality A is y>x+3

Step 2

Find the equation of the inequality B (solid line)

we know that

The solution of the inequality B is the shaded area below the solid line

The equation of the solid line is y=x+2

therefore

The equation of the inequality B is y\leq x+2

hence

The system of inequalities is equal to

y>x+3 and y\leq x+2

You might be interested in
Use the Distance Formula to find the distance between (-3, 7) and (8,- 6), rounded to the nearest hundredth.
faust18 [17]

Answer:

  17.03 units

Step-by-step explanation:

The distance formula for the distance between two points (x1, y1) and (x2, y2) is ...

  d = √((x2 -x1)^2 +(y2 -y1)^2)

For the given points, the distance is ...

  d = √((8-(-3))^2 +(-6-7)^2) = √(11^2 +(-13)^2)

  d = √(121 +169) = √290

  d ≈ 17.03

The distance between the points is about 17.03 units.

8 0
4 years ago
F) 1 5/2 +8x4 = <br> alluda :(
Charra [1.4K]

Answer:

35.5

Step-by-step explanation:

1 5/2 + (8*4)= 35.5

(8*4)= 32

32+1 5/2

1 5/2=3 1/2

32+3 1/3

35.5 or 35 1/2

7 0
3 years ago
Which equation represents the magnitude of an
Basile [38]

Answer:

M=\log{(100S)}

Step-by-step explanation:

The <em>Richter scale</em>, the standard measure of earthquake intensity, is a <em>logarithmic scale</em>, specifically logarithmic <em>base 10</em>. This means that every time you go up 1 on the Richter scale, you get an earthquake that's 10 times as powerful (a 2.0 is 10x stronger than a 1.0, a 3.0 is 10x stronger than a 2.0, etc.).

How do we compare two earthquake's intensities then? As a measure of raw intensity, let's call a "standard earthquake" S. What's the magnitude of this earthquake? The magnitude is whatever <em>power of 10</em> S corresponds to; to write this relationship as an equation, we can say 10^m=S, which we can rewrite in logarithmic form as m=\log{S}.

We're looking for the magnitude M of an earthquake 100 times larger than S, so reflect this, we can simply replace S with 100S, giving us the equation

M=\log{(100S)}.

To check to see if this equation is right, let's say we have an earthquake measuring a 3.0 on the Richter scale, so 3=\log{S}. Since taking 100 times some intensity is the same as taking 10 times that intensity twice, we'd expect that more intense earthquake to be a 5.0. We can expand the equation M=\log{(100S)} using the product rule for logarithms to get the equation

M=\log{(100S)}=\log{100}+\log{S}

And using the fact that \log{100}=2 and our assumption that \log{S}=3, we see that M=2+3=5 as we wanted.

3 0
4 years ago
Ignore the answer chosen but does anyone know the answer to this pls asap!!
Arte-miy333 [17]

Answer:

The diagonals bisect each other

Step-by-step explanation:

2s = 10    s+5 = 10      FJ = JH

t+12 = 18   3t = 18    EJ = JG

6 0
3 years ago
3 quick math questions :) help
Temka [501]
The answer for the first one is (-2,-3) because if you put a point there, then it would make a right triangle and, if ou take the x term from the higher point and the y term from the lower point and put them togeteher, then you get (-2,-3)




if you mean directly proportional where x/y=k where is x goes up, y goes up as well so try them out

first one: x/y=k 1/11=k  does 3/23=k as well? no so this is not proportional

second one: x/y=k 1/2=k does 3/-10=k as well? no, so this is not proportional

third one: x/y=k  1/-6=k does 3/-22=k asl well? no, so this is not proportional

fourth one: x/y=k  1/-8=k does 3/-24=k as well? yes, so this is the proportiona one



subsitute
if x=1 and y=7

try the first
7=1+7
false so the first one doesn't work

try the second
7=1-7
false, so the second one doesnt' work

third
7=1/7
false so the third one doesn't work either

try the fourth
7=(7)(1)
7=7
true so this is the naswer
7=7 tue
8 0
3 years ago
Read 2 more answers
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