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Alexus [3.1K]
3 years ago
10

How do you get the perimeter of a triangle, all side are 28 cm?

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Perimeter of the triangle, a+b+c

In this case, a=b=c=28

So, perimeter would be 28*3 = 84 cm

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The price of an item yesterday was $60. Today, the price fell to $42. Find the percentage decrease.
oksian1 [2.3K]

Answer:

-30% or 30% decrease

Step-by-step explanation:

What's percentage decrease?

  • Percent decrease is the difference between the initial value and new value, indicating a loss of value.
  • The formula to find percent decrease is \frac{NV-IV}{IV} * 100, where NV = new value and IV = initial value.

How do we solve this problem?

  • We know that the original value was $60, so that represents IV. Also, now that the price is $42, it represents NV.
  • Now, we plug in the values!
  • \frac{42-60}{60} * 100
  • \frac{-18}{60} * 100
  • -\frac{3}{10} * 100
  • -3 * 10
  • -30

Therefore, the answer is 30% decrease.

6 0
2 years ago
What is 7/6 reduced to
evablogger [386]
7/6 is 1 and 1/6 (1 1/6) as a reduced fraction. 7/6 is an improper fraction. So, how many times does 6 go into 7, it goes into it one time and there is one remainder.
8 0
3 years ago
Read 2 more answers
What is the first quartile in this box plot? Enter your answer in the box.
Gemiola [76]

Answer:

I think the first quartile is 30

Step-by-step explanation:

To find the quartiles you would look at the end points of the box.

6 0
3 years ago
The distance between R and T on the coordinate grid is ___ units. (Input whole numbers only.)
gogolik [260]
15 units of distance. So 15
7 0
2 years ago
Solve for x. Show all work. 2/3 (x+7) =10
Anna35 [415]

Answer:

answer is 8

Step-by-step explanation:

2/3(x+7)=10

2x/3+14/3=10

2x/3=10-14/3==>30-14/3

2x/3=16/3

x=16/3*3/2

x=8

7 0
2 years ago
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