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Greeley [361]
4 years ago
8

Someone help me with this math PlZZ!!!imma use 80 points!!

Mathematics
2 answers:
morpeh [17]4 years ago
6 0

Answer:

Step-by-step explanation:

3(x+1)=21

get the equation in parenthesis and multiply it by 3

3x+3=21

Now you subtract 3 from each side to leave 3x by itself

3x=18

now, divide 3 by each side to leave x by itself

x=6

(Hope this helps you)

LiRa [457]4 years ago
3 0

Answer:

Will you try to please repost it so i can better answer it and try to reword it some because it's a bit confusing for those who want to help me

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What is the solution of the system of equations shown in the graph?
Rudiy27

Answer:

The solution of the system of equations shown in the graph is (2,0)

Step-by-step explanation:

It's easy

You just look for the point of intersections the lines make.

The point is on the number 2  on the x axis, and number 0 on the y axis. Therefore its (2,0).

Happy to help!

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3 years ago
What is the circumference of a circle with a diameter of 4 feet? (use 3.14 for pi)
ad-work [718]

Answer:

12.56 ft.

Step-by-step explanation:

The formula of the circumference is

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3 years ago
How do I write 3x3x3x3 in exponential form
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3 with the exponent of four.

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As a small step to save the environment, Luna came up with an idea for her sweet shop. In exchange for five eclaire boxes, that
zavuch27 [327]

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Answer:

Step-by-step explanation:

1) Circumference of cake = 25 1/7 inches

2\pi r = \frac{176}{7}\\\\ 2*\frac{22}{7}*r=\frac{176}{7}\\\\r=\frac{176*7}{7*2*22}\\\\

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Area of cake = πr²

                     =\frac{22}{7}*4*4\\\\

                     = 50.2857

                     =  50.29 in²

2) Area of square = side *side = 5 * 5 = 25 ft²

Diameter of semicircle = 5 ft

radius = 5/2 = 2.5 ft

Area of two semi circles = 2 * (1/2) πr² =  πr²

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6 0
3 years ago
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