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kkurt [141]
3 years ago
5

Martina has a circle with a diameter of 6 inches. She doubled the diameter to make a new circle. Now, Martina says that the rati

o of the circle’s circumference to its diameter has also doubled. Correct her mistake
Mathematics
1 answer:
timama [110]3 years ago
5 0

Answer:

her mistake is she didn't include pi which will change the number

Step-by-step explanation:

6x2=12

the diameter of the new circle is 12

12x pi or 3.14= 37.68

which is not double the diameter(12) of the circle

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vivado [14]

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Step-by-step explanation:

8 0
3 years ago
Nakano’s Car Sales increased its sales of sedeans by 18%. By what fraction did the company increase its sales?
KATRIN_1 [288]

Answer:

9/50

Step-by-step explanation:

Turning 18% to a decimal= .18. As you turn the decimal to a fraction, it gives you 9/50

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4 0
3 years ago
Tickets for wisconsin state fair cost $13 for adults and $7 for children. After the first day, the wisconsin state fair sold 900
sergiy2304 [10]
First, let's define your variables!

x=cost of tickets for adults
y=cost of tickets for kids...

You know that they sold 900 tickets, which means the combination of x and y equals 900.
Therefore one equation is...
x+y=900
We also have to take care of the second equation...
We know that 13x represents the total cost of ADULT tickets
We know 7y represents the total cost for the children...
Which means...
13x+7y=11000
There are you equations! (bolded)
6 0
4 years ago
Solve 37+z≤54. Graph the solution.
iragen [17]

Answer:

z ≤ 17

Step-by-step explanation:

Step 1: Subtract 37 from both sides.

  • 37 + z - 37\leq 54-37
  • z\leq 17

3 0
3 years ago
Read 2 more answers
Help help failing ASAP
Nesterboy [21]
First off, AY GET OFF OF YOUTUBE BOI XD
Second off, since the area of the triangle is 21 square feet, you do 21/6, which equals 3.5. 
So you need to find (2x-1)= 3.5.
So the answer is 2.25.
4 0
3 years ago
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