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Alecsey [184]
3 years ago
10

A student draws a triangle with a perimeter of 36cm. The student says the longest length is 18cm. How do you know the student is

wrong?
Mathematics
1 answer:
Crazy boy [7]3 years ago
6 0

The length of the first two sides of a triangle must be greater than the length of the last side.  If the longest length were 18, the first two sides would be too short.  36-18=18, 18 is equal not greater than 18 which means the sum of the first two sides are too short.

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A quadratic function that has the vertex (-2, -4) and passes through the point (-1, -6)
spayn [35]

Answer:

f(x) = -2 (x + 2)² - 4  

Step-by-step explanation:

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pass point (-1 , -6)     f(x) = -6 and x = -1

-6 = a (-1 - (-2))² + (-4)

-6 = a - 4

a = -2

quadratic function: f(x) = -2 (x + 2)² - 4

5 0
3 years ago
24 written as a percentage
Yanka [14]
Any number is equal to that number over 1

So x is equal to x/1

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To get it into percent we multiply by 100 so:

\sf{\frac{24}{1}=\frac{24\times100}{1\times100}}

And simplifying that we get

\sf{\frac{2400}{100}}

And x/100 = x%

so 2400/100 = 2400% 

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5 0
3 years ago
Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55 mi/h and the other bus averages
Veronika [31]
Well you can just keep adding 55 =1hr until you get to 400 the same with 45
6 0
3 years ago
.........................................................................
Sonbull [250]

Answer:

When a habitat is destroyed, the carrying capacity for indigenous plants, animals, and other organisms is reduced so that populations decline, sometimes up to the level of extinction. Habitat loss is perhaps the greatest threat to organisms and biodiversity.

Step-by-step explanation:

5 0
2 years ago
A person drove 30 miles per hour on a trip. If he had driven 45 miles per hour, he would have arrived 4 hours earlier. What was
Step2247 [10]

Answer:D= 60miles

Step-by-step explanation:

Speed=distance/time

Distance = speed× time

D=(45-30)× 4

D= 15×4

D= 60miles

6 0
3 years ago
Read 2 more answers
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