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grandymaker [24]
4 years ago
13

Can someone please help me with this ASAP!! (will mark as brainliest if correct)

Mathematics
2 answers:
sattari [20]4 years ago
6 0

Answer:

P = 6x-2

x = 14

Step-by-step explanation:

To find the perimeter, we add the sides

P = 4x-8 + 3-2x + 5x+3

Combine like terms

P = 4x-3x+5x  -8+3+3

  = 6x -2

Now we know the perimeter

82 = 6x-2

Add 2 to each side

82+2 = 6x-2+2

84 = 6x

Divide each side by 6

84/6 = 6x/6

14=x

Vladimir [108]4 years ago
3 0

Answer:

A) 7x - 2

B) x = 12

Step-by-step explanation:

4x - 8 + 3 - 2x + 5x + 3

7x - 2

7x - 2 = 82

7x = 84

x = 12

You might be interested in
Consider the inequality -5(x+7) is less than -10. Write an inequality representing the solution for x.
finlep [7]

Answer:

x > -8

Step-by-step explanation:

First you distribute the -5 and get

-5x-35 < 10

Then you add 35 to both sides and get

-5x<45

Then dived by NEGATIVE 5 (since it is negative you flip the less than signs to greater than) and get

x> -8

8 0
3 years ago
Question 9(Multiple Choice Worth 5 points) (06.01 MC) Solve the system of equations below. x + y = 8 3x + 2y = 21 (3, 5) (5, 3)
gayaneshka [121]
<h3>Answer:  B.  (5,3)</h3>

How to get this answer:

x+y = 8 solves to y = -x+8 after isolating y. You subtract x from both sides.

Plug this into the second equation and solve for x

3x + 2y = 21

3x + 2( y ) = 21

3x + 2( -x+8 ) = 21 ... replace y with -x+8

3x - 2x + 16 = 21

x + 16 = 21

x = 21-16

x = 5

Use this to find y

y = -x+8

y = -5+8

y = 3

We have x = 5 and y = 3 pair up to get the ordered pair solution (5,3)

8 0
4 years ago
Apply the distributive property to factor out the greatest common factor of all three terms. 24c + 36d + 18 =
olchik [2.2K]

Answer:

24c + 36d + 18 = 6(4c + 6d+3)

Step-by-step explanation:

Given

24c + 36d + 18

Required

Factorize

24c + 36d + 18

Expand each term

6*4c + 6 *6d+6 *3

Factor 6 out of the expression

6(4c + 6d+3)

Hence:

24c + 36d + 18 = 6(4c + 6d+3)

7 0
3 years ago
Read 2 more answers
You just finished paving a rectangular driveway measuring 75 feet by 20 feet. You charged the customer $1,000. After deducting t
Anettt [7]

Answer:

The missing information is attached in the picture below.

The company made $292.5 dollars in profit.

Step-by-step explanation:

Using the information provided by the table, we can calculate how much money was spent

1. gravel

12 and a half cubic yards * $15  = $187.5

2. tar/sealant

$0.15 per square foot * (75*20 ft^2) = $225

3. labor

$10 per hour * 25 hours = $250

4. insurance

fixed $45

We add all the expenses together

$(187.5 + 225 + 250 + 45)  = $707.5

The profit will be equal to

$1000 - $707.5 = $292.5

Step-by-step explanation:

5 0
3 years ago
Question 3 of 10
andrew11 [14]
Can we see the cones please
4 0
3 years ago
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