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cupoosta [38]
3 years ago
9

Write a decimal equation that has a product of 3.15

Mathematics
1 answer:
astraxan [27]3 years ago
4 0
 if you just multiply 12.6  by 0.25 = 3.15 
12.6× 0.25 
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Determine the nature of the roots: 4x^2 + 32x + 64 = 0
DENIUS [597]

Answer:

b. a unique real solution

Step-by-step explanation:

A quadratic equation ax² + bx + c = 0 ,

Has two distinct real roots,

If discriminant, D=b^2 - 4ac > 1

Has two equal real roots,

If D = 0,

Has two imaginary roots or no real roots,

if D < 1,

Here. the given qudratic equation,

4x^2 + 32x + 64=0

By comparing,

a = 4, b = 32, c = 64,

\implies D = 32^2 - 4\times 4\times 64 = 1024 - 1024 = 0

Hence, the equation has two equal real roots or a unique real solution.

i.e. OPTION 'b' is correct.

6 0
3 years ago
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11,16,12,7,23,9,5,5 what is the median?
inessss [21]

Answer:

10,

Step-by-step explanation:

Numbers in order, 5, 5, 7, 9, 11, 12, 16, 23

You have two numbers in the middle, so do 9 plus 11, then divide it by 2 :)

6 0
3 years ago
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HELP PLEASE,I'LL GIVE OUT BRAINLIEST AND 10 POINTS.
olga nikolaevna [1]
The answer would be D: The mean and median both stay the same.
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3 years ago
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Casey wants to buy a gym membership. One gym has a $70 joining fee and cost $35 per month. Another Jim has no joining fee and co
irga5000 [103]

Answer:

same amount at 2 months. he'd pay 140.

Step-by-step explanation:

35(month) +35(month) =70(joining fee). 70+70=140. that's two months at the first gym.

the second gym is also 140 for the two months because each month is $70. and 70+70=140

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3 years ago
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11Alexandr11 [23.1K]

5 + x = 14 is the answer                

7 0
3 years ago
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