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Alenkasestr [34]
3 years ago
14

A school 415 third graders and 338 second graders. How many more third graders are there than second graders?

Mathematics
1 answer:
jeka943 years ago
3 0
415 - 338 = 77

There are 77 more 3rd graders than 2nd graders
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What is -2 + 7x = 12
8090 [49]

Answer:

easy the answer is

Step-by-step explanation:

-2 + 7x = 12

+2 +2

7x + 14

14 / 7x = 2

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Slovenia for y <br><br> 3/11 = 6/y<br><br> Y=
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3 0
3 years ago
Read 2 more answers
(m3 - 6m2 - 16m + 63) divided by (m - 7)
Arlecino [84]

Therefore( m^3 -6m^2-16m +63 )÷ (m-7)  =  (m^2 +m-9)

Step-by-step explanation:

m^3 -6m^2-16m +63

=m^3 -7m^2+m^2 -7m-9m+63

=  m^2(m-7)+m(m-7)-9(m-7)

= (m-7 ) (m^2 +m-9)

Therefore( m^3 -6m^2-16m +63 )÷ (m-7)  =  (m^2 +m-9)

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4 years ago
In Exercise, sketch the graph of the function.<br> f(x) = ln(x – 5)
Flauer [41]

Answer:

See the graph and explanation below.

Step-by-step explanation:

For this case we have the following function:

f(x) = ln(x-5)

The domain for this function is given by:

x-5 >0 since the natural log is not defined for negative numbers

x>5 , D = x \in (5,\infty)

We can calculate some points in order to see the tendency of the graph, we can select a set of points for example x =5.5, 6,7,8,9,10 and we can calculate the values for f(x) like this

x=5.5

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That represent the x intercept

x=7

f(x=7) = ln(7-5) = ln(2) =0.693

x=8

f(x=8) = ln(8-5) = ln(3) =1.099

x=9

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x=10

f(x=10) = ln(10-5) = ln(5) =1.609

And that represent the x intercept

And then we can see the plot on the figure attached.

8 0
3 years ago
Solve the system by addition/subtraction: <br><br> 3x - 2y = -11 and 3x - 4y = -19
34kurt

Answer for this system: (-1, 4)

8 0
3 years ago
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