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professor190 [17]
2 years ago
9

Cherry bought two cupcakes and got $13 back Sonia bar for cupcakes and got six dollars back in the each pay with the same amount

of money what is the price of one cupcake
Mathematics
1 answer:
larisa [96]2 years ago
8 0

Answer: 13+6=21

Step-by-step explanation:

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The formula for the area of a triangle is
umka21 [38]

Answer:

b = (2A)/h

Step-by-step explanation:

With area formula for triangle:   A = (1/2)*b*h

Solve for b

2*A = 2*(1/2)*b*h

2A = bh

2A / h = b

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3 years ago
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3 years ago
Please help explain how to solve problem 16?
Anarel [89]
Here is the problem.....√(15x + 10) = 2x+3

to remove the square root, we do the opposite which is to square everything.

(√(15x + 10))² = (2x + 3)²      (the square negates the square root)
15x + 10 = (2x +3)(2x + 3)    (use the distributive property to continue)
15x + 10 = 4x² + 6x + 6x + 9  (combine like terms)
15x + 10 = 4x² + 12x + 9      (subtract 15x and 10 from each side)
-15x - 10          -15x - 10
0 = 4x² - 3x - 1                      (factor completely)
(x - 1) (4x + 1)                    (set each to equal 0)

x - 1 = 0                4x + 1 = 0
x = 1                      4x = -1
                               x = -1/4

place both into the equation to check for reasonableness...we see the negative number is not reasonable, but the x value of 1 is a solution.

answer is 1
4 0
3 years ago
What is the slope of the line on the graph?<br> The two coordinates are ( 3, -3) and ( 0, -1 )
Drupady [299]

Answer:

The slope is -2/3.

Step-by-step explanation

Let m represent the slope.

m= rise/run= y2-y1/x2-x1

-1 - (-3)/0-3

2/-3

-2/3

3 0
2 years ago
Read 2 more answers
4(4x+1) = 3x-4(6-x) + 4
brilliants [131]

the answer is -2.2.

hope it helped

8 0
3 years ago
Read 2 more answers
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