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lara [203]
3 years ago
12

Solve the inequality below -8x + 4 > 20 Include x and number in answer

Mathematics
1 answer:
Genrish500 [490]3 years ago
7 0

Answer:

x<-2

Step-by-step explanation:

You first subtract 4 from both sides. Then you divide both sides by -8 (note: when you multiply or divide by a negative the sign flips. Then you get your answer

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Solve the system by substitution.<br> (x+3y=9<br> 14.x - 2y = -6
Elina [12.6K]

Answer:

x=0 ,y=3

if you have any questions about the way I solved it,don't hesitate to ask

7 0
3 years ago
A sea lion dove from the water's surface at sea level to an altitude of −216.12 meters in 2.4 minutes. What is the average chang
alexandr1967 [171]
2.4 minutes is 144 seconds. divide -216.12 by it to get altitude per second. This is 1.5 meters per second. Multiply this by 60 to get the rate per minute, totaling 90.05 meters per minute. Sorry if this explanation was long that was how I remember.
7 0
3 years ago
What is this solution 20x+30y=1000 when 20 is y intercept and 30 is x intercept
Kamila [148]
20y+30x=1000 divide 20 on each side to st the y alone.
y+30x=50 next put it in slope intercept form
y=30x+50 I don't know if this was te answer you were looking for but I hope it is
7 0
3 years ago
Emanuel and Zachary are trying to reduce the amount of television they watch. For every hour they watch television, they have to
hichkok12 [17]

Answer:

You can buy 6 tickets.

Step-by-step explanation:

21.8 + 26.6 = 48.4

48.4 x 2.50 = 121

121 / 17.50 = 6.914

Since we can't round here because it's items you're buying, we round down to the nearest flat number, which in this case is 6.

8 0
2 years ago
Given the equation y = 4x - 3.A) If x increases by 1 unit, what is the corresponding change in y? B) If x decreases by 5 units,
DedPeter [7]

Answer:

A) y will increase by 4 unit.

B) y will decrease by 20 units

Step-by-step explanation:

Given equation that shows relation between x and y.

y=4x-3

A) If x is increased by 4 units

   New value of  y =  4(x+1)-3

                              =4x+4-3

                              =4x+1

So, change in y = new value of y- original value of y

                         =4x+1-(4x-3)

                          =4x+1-4x+3

                          =4

Thus, the value of y will be increased by 4 units.

B) If x is decreased by 5 units

   New value of  y =  4(x-5)-3

                              =4x-20-3

                              =4x-23

So, change in y = new value of y- original value of y

                         =4x+1-(4x-3)

                          =4x-23-(4x-3)

                          =4x-23-4x+3

                          = -20

Thus, the value of y will be decreased by 20 units.

7 0
3 years ago
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