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nignag [31]
3 years ago
10

A parallelogram with congruent diagonals is a _____.

Mathematics
1 answer:
Advocard [28]3 years ago
7 0
An example of a parallelogram with congruent diagonals is a square.

Hope this helps =)
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How did the temperature change if: at first it decreased by 60% and then increased by 80%. PLEASE NEED HELP!
Sergio039 [100]

The temperature decreased by 28%

Step-by-step explanation:

How did the temperature change if :

  • At first it decreased by 60%
  • Then increased by 80%

Assume that the temperature before decreasing is 100%

∵ The temperature before decreasing = 100%

∵ It decreased by 60%

→  Before decreasing  :  decreasing  :    after decreasing

→  100%                         :  60%              :    100% - 60% = 40%

∴ The temperature after decreasing = 40%

Assume that the temperature after decreasing is 100%

∵ The temperature after decreasing = 100%

∵ It increased by 80%

By using the ratio method

→  After decreasing  :  increasing  :    after increasing

→  100%                      :  80%             :   100% + 80% = 180%

→  40%                        :                       :   x%

By using cross multiplication

∴ 100% × x% = 40% × 180%

- Divide both sides by 100%

∴ x% = \frac{(40)(180)}{100}

∴ x% = 72%

∵ At first the temperature = 100%

∵ At last the temperature = 72%

∵ The first the temperature > the last the temperature

∴ The decreasing in temperature = 100% - 72% = 28%

The temperature decreased by 28%

Learn more:

You can learn more about ratio in brainly.com/question/2707032

#LearnwithBrainly

5 0
3 years ago
IM DOING THIS IN CLASS HELP! Yesterday, there was 4 inches of snow on the ground. It snowed overnight and now there is 6 inches
iren [92.7K]

Answer:

6

Step-by-step explanation:

6 inches of snow is an amount above ground, so it is represented by a positive integer.

Answer: 6

4 0
2 years ago
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A………………….,6,6,.6.65.5.95
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2 years ago
|x + 1| + 4 ≤ 2
irga5000 [103]

Answer:

no solution

Step-by-step explanation:

8 0
3 years ago
What’s the difference between m=change in y and change in x and m =y2-y1and x2-x1
Mademuasel [1]

it's the same thing

slope =  \frac{Δy}{Δx} or  \frac{change \: in \: y}{change \: in \: x}  =  \frac{y2 - y1}{x2 - x1}  =  \frac{rise}{run}

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