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Ad libitum [116K]
3 years ago
12

100POINTS Describe a real-life situation that can be represented with the equation 2x+5=13

Mathematics
1 answer:
Kipish [7]3 years ago
5 0

2x can represent the starting cost for a cookie.

5 can represent what goes to the boy scouts.

13 means the total amount of money you are paying.

Question:

Boy scouts sell cookies for x dollars. It costs $2 to start because that is labor of making the cookie. In addition to that, you need to pay $5 so it can go to supporting them. In total, you pay $13. How much money did you pay for cookies?

Solution:

2x + 5 = 12

~Subtract 5 to both sides

2x = 7

~Divide 2 to both sides

x = 3.5

Therefore, the cookie cost $3.50 each.

Best of Luck!

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The area of a rectangle is 24 square inches. Determine both dimensions if the length is 6 inches less than three times the width
Rama09 [41]

Answer:

width is 4 inches

length is 6 inches

Step-by-step explanation:

the length is 6 inches less than three times the width

l = 3w - 6

a = l * w

a = (3w - 6)w

a = 3w^2 - 6w

area of the rectangle is 24 square inches

3w^2 - 6w = 24

subtract 24 from both sides

3w^2 - 6w - 24 = 0

Divide both sides by 3

w^2  - 2w - 8 = 0

Factor

(w - 4)(w + 2) = 0

w = {-2, 4}

disregard the negative root since measurement must be positive

w = 4

l = 3w - 6

l = 3(4) - 6

l = 6

3 0
2 years ago
Alyssa earns $408 for selling $3400 worth of shoes. What is the commission rate?
Oksanka [162]
My answer was not correct, sorry.
8 0
2 years ago
Read 2 more answers
Sonya wrote the equation y=0.1x+5 to find the total cost of her phone bill,y, based on the numbers of texts she sends per month,
FinnZ [79.3K]

Answer:

(0, 5)

Step-by-step explanation:

You get y-intercept when x=0

<u>For the given equation y-intercept is:</u>

  • y(0) = 0.1*0 + 5 = 5

As a point on the graph it is: (0, 5)

Here y-intercept may represent flat rate of monthly fee.

7 0
2 years ago
Combine like terms 4 + 2x + 3(2x - 1)​
Lunna [17]

Answer:

8x+1

Step-by-step explanation:

4+2x+3(2x-1)

1) Distribute the 3 to 2x and -1:

4+2x+6x-3

2) Combine alike terms:

8x+1

If you need any more help let me know in the comments :)

5 0
3 years ago
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Cory makes a map of his favorite park, using a coordinate system with units of yards. The old oak tree is at position (3, 7) and
ololo11 [35]

Answer: 5.09 units

Step-by-step explanation:

Given

Coordinates of Old oak tree are (3,7)

Coordinates of granite boulder are (-2,6)

Distance between them is given by distance formula i.e.

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Distance between them is

\Rightarrow d=\sqrt{(-2-3)^2+(6-7)^2}\\\Rightarrow d=\sqrt{(-5)^2+(-1)^2}\\\Rightarrow d=\sqrt{25+1}=\sqrt{26}\approx 5.09\ \text{units}

7 0
2 years ago
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