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castortr0y [4]
4 years ago
13

Solve by quadratic formula: 3x^2 - 10x - 20= 0

Mathematics
1 answer:
Arlecino [84]4 years ago
5 0

this is your answer, i hope this helps you

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Write an equation that expresses the following relationship: x varies directly as p and inversely as the difference between y an
dsp73
X = kp/y-c

cross multiply 

xy-xc = kp

factor out the x

x(y-c) = kp

divide entire equation by x

y-c = kp/x

isolate y since we are solving for y
we do this by adding c to both sides which ultimately gives us the answer

y = kp/x + c
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3 years ago
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Answer:

The middle one because there is only 1 value of y for every value of x.

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3 years ago
Find the standard deviation and variance of the sample 93, 73, 76, 86, 98.
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Total Numbers = 5
Mean (Average) = 85.2
Standard deviation = 10.70981
Variance(Standard deviation) = 114.7
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Variance(Population Standard deviation) = 91.76


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3 years ago
It costs a homeowner $4.00 to rent a set of hand tools, plus an additional
nexus9112 [7]

Answer:

The correct graph answer is A.

Step-by-step explanation:

Let

c ----> the total cost to rent a set of hand tools

h ----> the number of hours for the rental

we know that

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---> this is the equation of the line into slope intercept form

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6 0
3 years ago
Read 2 more answers
Which algebraic expression represents the phrase "four times a number"?
Delvig [45]

Answer:

O 40

Step-by-step explanation:

because if you are doing algebra the term for a number is a letter and instead of doing 4xO you substituted to 4O

7 0
3 years ago
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