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cluponka [151]
3 years ago
10

Can anyone show me the steps to factor 3x^2+7x+2?

Mathematics
2 answers:
-Dominant- [34]3 years ago
7 0
Use symbolab it show the steps on how to solve that equation
Helga [31]3 years ago
5 0
Ac method
for
ax^2+bx+c
multiply a and c together
find what 2 numbers multiply to get ac and add to get b
split b up
gropu
factor

3x^2+7x+2
2 times 3=6
what 2 numbers multily to get 6 and ad to get 7
6 and 1
3x^2+6x+1x+2
(3x^2+6x)+(1x+2)
3x(x+2)+1(x+2)
(3x+1)(x+2) is factored
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A student has some $1 and 5$ bills. He has a total of 15 bills that are worth $47. How many of each bill does he have?
Trava [24]

Answer:

Seven one dollar bills and eight five dollar bills.

Step-by-step explanation:

8 + 7 = 15 bills

8 x 5 = $40

7 x 1 = $7

40 + 7 = $47

47 dollars and 15 bills.

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3 years ago
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nexus9112 [7]

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Its the last option.  M and N are similar but not congruent.

Step-by-step explanation:

They have the same shape but are a different size.

4 0
4 years ago
Write the equation in slope- intercept form
hodyreva [135]

Answer:

1. y=3x-1

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6 0
3 years ago
Will reward points!!! Someone please help me!!
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8 0
3 years ago
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In a survey in 2010, the population of two plant species were found to be growing exponentially. Their growth is given by these
Lunna [17]

If we want to find when the population of species A will be equal to the population of species B, we need to see when the two equations for the population of each species are equal, ie. equate them and solve for t. Thus:

2000e^(0.05t) = 5000e^(0.02t)

(2/5)e^(0.05t) = e^(0.02t) (Divide each side by 5000)

2/5 = e^(0.02t) / e^(0.05t) (Divide each side by e^(0.05t))

2/5 = e^(-0.03t) (use: e^a / e^b = e^(a - b))

ln(2/5) = -0.03t (use: if b = a^c, then loga(b) = c )

t = ln(2/5) / -0.03 (Divide each side by -0.03)

= 30.54 (to two decimal places)

Therefor, the population of species A will be equal to the population of species B after 30.54 years.

I wasn't entirely sure about the rounding requirements so I've left it rounded to two decimal places.

6 0
3 years ago
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