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murzikaleks [220]
3 years ago
13

NEED HELP ASAP!!!! What is the discriminant of 3x^2-10x=-2^2

Mathematics
1 answer:
Natali5045456 [20]3 years ago
3 0

Answer:

52

Step-by-step explanation:

3x^2-10x=-2^2      Rearranging:-

3x^2 - 10x + 4 = 0

Discriminant = b^2 - 4ac  ( for ax^2 + bx + c = 0) =

(-10)^2 - 4 * 3 * 4

= 100 - 48

= 52

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On a blueprint, the scale indicates that 7 cm represent 16 ft. What is the length of a room that is 9.8 cm long and 5 cm wide on
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3 0
3 years ago
Read 2 more answers
3x+10+x solve for x thank you :)
weeeeeb [17]

Answer:

4x + 10

Step-by-step explanation:

8 0
2 years ago
0.3(n-5)=0.4-0.2 solve for n!
mariarad [96]

Answer:

n = 5.67

Step-by-step explanation:

0.3(n-5)=0.4-0.2

0.3(n-5) = 0.2

Dividing 0.3 both side

\frac{0.3(n-5) }{0.3}  = \frac{0.2}{0.3}

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n = 0.67+5

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