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harkovskaia [24]
3 years ago
14

Quadratic inequalities

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0
See picture for rough graph

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Question 7 (Essay Worth 5 points)
kogti [31]

Answer:

x = -2

y=-3

(-2,-3)

Step-by-step explanation:

Both equations are equal to y

We can set them equal to each other

y = 3x + 3

y = x − 1

3x+3 = x-1

Subtract x from each side

3x+3 -x = x-1-x

2x+3 = -1

Subtract 3 from each side

2x+3-3 = -1-3

2x = -4

Divide each side by 2

2x/2 = -4/2

x = -2

Now we need to find y

y = x-1

y = -2-1

y = -3

y = x-1

3 0
3 years ago
Read 2 more answers
How to find the value of a+b+c given that a=4,b=3 and c= -2
Alexus [3.1K]

Answer: 5

Step-by-step explanation: 4 + 3 + -2 = 5

8 0
3 years ago
The rubber playground mulch is sold in packages that cover 300 square feet each. what expression represents the number of packag
tino4ka555 [31]

The expression represents the number of packages of mulch that will be needed to cover both rounded ends is 600/x

<h3>How to determine the expression represents the number of packages of mulch that will be needed to cover both rounded ends?</h3>

The given parameters are:

Area covered = 300 square feet

Number of ends  = 2

So, the total surface area is:

Total surface area = Area covered * Number of ends  

This gives

Total surface area = 300 * 2

Total surface area = 600 square feet

Let the area covered by each package of mulch be x.

So, the number of mulch is

Number = Area covered/area covered by each

This gives

Number = 600/x

Hence, the expression represents the number of packages of mulch that will be needed to cover both rounded ends is 600/x

Read more about areas at:

brainly.com/question/25292087

#SPJ1

6 0
1 year ago
What are the factors in the expression 4(5+x)
Daniel [21]
The factors are the parts that are being multiplied together.

4 and (5+x) are the two that are being multiplied and also the expression you get when you factor the distributed expression.

So the factors of 4(5+x) are:

4 and (5+x)
8 0
3 years ago
CAN SOMEONE ANSWER THIS QUESTION PLZ QUICK!!!! ​
makvit [3.9K]

Answer:

140 m/s

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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