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Inessa05 [86]
3 years ago
10

What is the contrapositive of the statement? All squares are rectangles.

Mathematics
2 answers:
Oduvanchick [21]3 years ago
8 0
D.) If a figure is not a rectangle, then it is not a square
Contrapositive is when it switches the two sides up and makes it negative as well.
GuDViN [60]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Ed2020

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Which expression is 8y - 5x + 13y equivalent to after being simplified?
Thepotemich [5.8K]
You combine like terms like 8y+13y which gives you 21y and don't forget the -5x so your simplified equation would end up being A. 21 - 5x
7 0
3 years ago
In the United States, there are 59 different species of mammals that are endangered,
jolli1 [7]

Given Information:

Number of endangered mammal species = 59

Number of endangered bird species = 75

Number of endangered fish species = 68

Required Information:

Probability of either a  mammal or a fish = ?

Answer:

P(mammal or fish) = 127/202 = 0.6287 = 62.87%

Step-by-step explanation:

We want to randomly select one animal and find out the probability of either a mammal or a fish.

The total number of endangered species of animals is given by

Total animals = mammal species + bird species + fish species

Total animals = 59 + 75 + 68  = 202

The probability of selecting a endangered mammal is

P(mammal) = no. of endangered mammal/total no. of endangered animals

P(mammal) = 59/202

The probability of selecting a endangered fish is

P(fish) = no. of endangered fish/total no. of endangered animals

P(fish) = 68/202

Finally, the probability of selecting either a mammal or a fish is

P(mammal or fish) = 59/202 + 68/202

P(mammal or fish) = 127/202

P(mammal or fish) = 0.6287

P(mammal or fish) = 62.87%

8 0
3 years ago
3. Last year, the numbers of calculators produced per day at a certain factory were normally distributed with a mean of 560 calc
Mademuasel [1]

Answer:

<em><u>3. Last year, the numbers of calculators produced per day at a certain factory were normally distributed with a mean of 560 calculators and a standard deviation of 12 calculators.</u></em><em><u>(</u></em><em><u>C</u></em><em><u>)</u></em>

Step-by-step explanation:

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3 years ago
Help me Asap!! please
UkoKoshka [18]

Answer:

I believe the perimeter is 90 and the area is 300sqft

Step-by-step explanation:

3 0
2 years ago
What is the difference between the number 16 and 23
svlad2 [7]

Answer:

Well it’s greater bc 23 is greater than 16

Step-by-step explanation:

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7 0
3 years ago
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