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sp2606 [1]
3 years ago
15

Tomato plants $.40 each. Pepper plant $.35 each.Kevin wants to buy at least 20 plants for no more than $7.50.Let tomato plants =

x and pepper plants =y. Write a system of inequalities for both kinds of plants.
Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0

Answer:

10x and 10y

Step-by-step explanation:

.40×10=4

.35×10=3.5

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Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 8x and y = 2x + 2 intersect are the so
OleMash [197]

The point of intersection of two given equations is (0.333, 2.667).

Given that, equation with two variables are y = 8x and y = 2x + 2.

The given equations will intersect at some point where y is the same for both equations.

When you replace y in y = 2x + 2 with y = 8x, we get 8x = 2x + 2.

So, the solution of 8x = 2x+2 will satisfy both equations.

Now, we need to find the solutions to take the integer values of x between -3 and 3.

That is,

x = -3 , then 8(-3) = 2(-3) +2⇒-24 = -6+2

⇒-12 = -4    False.

similarly, for x = -2

8(-2) = 2(-2)+2

⇒-16 = -2   False

For, x = -1

8(-1) = 2(-1)+2

⇒-8= 0   False

For, x = 0

8(0) = 2(0)+2

⇒0= 2   False

For, x = 1

8(1) = 2(1)+2

⇒8= 4   False

For, x = 2

8(2) = 2(2)+2

⇒16 = 6   False

For, x = 3

8(3) = 2(3)+2

⇒24 = 8   False

Therefore, there is no solution to 8x = 2x +2 for the integers values of x between -3 and 3.

The equations can be solved graphically by plotting the two given functions on a coordinate plane and identifying the point of intersection of the two graphs.

The point of intersection is the values of the variables which satisfy both equations at a particular point.

Hence, you can see the graph as shown below, the point of intersection is (0.333, 2.667).

To learn more about the graphical representation of equation visit:

brainly.com/question/12804458.

#SPJ1

3 0
2 years ago
Two skaters are racing toward the finish line of a race. The first skater has a 40 meters lead and is traveling at a rate of 12
antoniya [11.8K]
Distance between two skaters=40
difference in speed=2 m/sec

time=distance/time
=40/2
20 seconds
3 0
3 years ago
Read 2 more answers
A line passes through the point (-4,3) and has a slope of -5/2
Jlenok [28]

Answer:

y=(-5/2) x -7

Step-by-step explanation:

y=mx+b

m=(-5/2)

To find b:

3=(-5/2)times"x" + b

3=(-5/2)times(-4) + b

3=  10 +b; b=-7

y=(-5/2) x -7

7 0
3 years ago
Please answer this question <br><br> 2x^2 = 3x
Anika [276]

Answer:

x = 1.5

Step-by-step explanation:

2x^2 = 3x

divide whole eqn by x

2x = 3

x= 3/2 =1.5

3 0
4 years ago
Read 2 more answers
41= 5x+17-3x need please
sergey [27]

Answer:

{\huge{\pink{\underline{\underline{Solution}}}}}

41=5x+17-3x

41=5x-3x+17

41=2x+17

41-21=2x

2x=20

x= \frac{20}{2}

Hence,value of x=10

Hope it will help you ☺☺✌✌

4 0
3 years ago
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