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shusha [124]
3 years ago
8

Find the discriminant of the equation. (Show how you got your answer) a. X^2 + 4x + 9 = 0

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0
The discriminant of the equation is -20. You use the formula( that's how I solved it)

Discriminant formula- b^2 - 4(a)(c)

Work:

4^2-4(1)(9) = -20

The formula for this is the part of the quadratic formula
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What is every number in pie? please put all numbers!
Mila [183]

Answer: The number pi is an irrational number

Step-by-step explanation:

Pi is irrational because it will never end and at the same time doesnt have a pattern in which the numbers repeat. Here are some of the numbers in pi 3.14159265359

8 0
3 years ago
Calculate 65 L to quarts. Final answer round two places
lakkis [162]

Step-by-step explanation:

The approximate equation to convert from liters to quarts is : x • 1.056688.

We enter 65 for x and multiply.

65 • 1.056688 = 68.68472

We round that to the nearest 100th to get our final answer.

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7 0
3 years ago
(a) Use the scale to change 40 kilometres to miles.
Nimfa-mama [501]

Answer:

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6 0
3 years ago
125. Albert surveyed a class of 25 students on sports. 5 kids love baseball. 7 kids love basketball. 10 kids
MAXImum [283]

Answer:

3 students

Step-by-step explanation:

since the<em> </em>total number of students is 25,when you add those that like baseball, basketball and football the total number must be 25 but in this case it's 22 meaning 2 student liked neither.

7+5+10+x=25

x=25-22

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I hope this helps

4 0
3 years ago
Will mark BRAINLIEST to correct answer! Please help, this has to be correct. Thanks!
pogonyaev
The answer would be 314.16 square cm
Hope this helps! :)
4 0
3 years ago
Read 2 more answers
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