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max2010maxim [7]
3 years ago
14

Solve: 5x2 + 25x = 0

Mathematics
2 answers:
sammy [17]3 years ago
8 0

Answer:

x = -0.4

x = -(2/5)

Leto [7]3 years ago
8 0

Answer:

x = ± √5

Step-by-step explanation:

Please indicate exponentiation by using the symbol " ^ ":

5x^2 + 25x = 0

Divide all three terms by 5.  We get:

x^2 + 5 = 0, or x^2 = -5

Then x = ± √5

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The sum of 5 consecutive even numbers is 216. What is the third number in the sequence
alexandr1967 [171]

Hello from MrBillDoesMath!

Answer:  NO solution possible!


Steps:

Let "n" be the first even number. We are told that


n + (n+2) + (n+4) + (n+6) + (n +8)  = 216


The third number, the value we want, is boldfaced above.


Simplify the above equation:

5n + ( 2 + 4 + 6 + 8 ) = 216   or


5n +  20  = 216  or

5n = 196


n = 196/5   is NOT an integer value.  This problem, as stated, has no solution.

Regards, MrB

4 0
3 years ago
if the volume of the prism is represented by 15x2 + x + 2 and the height is x2, which expression represents B, the area of the b
cricket20 [7]
The volume of a prism is the product of the area of a the base and its height. Given the volume of the prism as 15x2 + x + 2 and the height as x2, the base can be expressed using this expressions. Volume = base x height. By substitution, <span>15x2 + x + 2  = (base) x (x2). Thus the answer is, base = (15x2 + x + 2)/x2 or base = 15 + (1/x) + (2/x2).</span>
5 0
3 years ago
WILL MARK BRAINLIEST! The ratio of the angles in a triangle is 2:3:5. What are the angle measures?
ASHA 777 [7]
Pretty sure it’s B

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2 years ago
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Answer:

Step-by-step explanation:

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3 0
2 years ago
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