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N76 [4]
3 years ago
10

36 pennies to 72 pennies

Mathematics
1 answer:
lara [203]3 years ago
3 0

Answer:

Multiply by 2

Step-by-step explanation:

You will use mulitplication.

36*2=72

72=72

And from 72 pennies to 36 pennies is division

72/2=36

36=36

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3x -2 &gt; -11<br><br> (The &gt; has an underscore under it)
user100 [1]

3x-2\geq-11

3x\geq-9

x\geq-3

x\in[-3, \infty)

Hope this helps.

7 0
3 years ago
Explain the algebra 5a - 9a - (-2a) =
sleet_krkn [62]

Hello!

5a - 9a - (-2a) =

= 5a - 9a + 2a =

= -4a + 2a =

= -2a

Good luck! :)

7 0
3 years ago
Graph the solution to the following system of inequalities in the coordinate plane.
Goshia [24]

Answer:

see below

Step-by-step explanation:

The first equation is in slope-intercept form, so you can see that the boundary line has a slope of -2 and goes through the point (x, y) = (0, -4). Since the comparison is "<", the line is dashed and shading is below it.

The second equation is that of a vertical boundary line at x=-3. It is solid, because the comparison includes the "equal" case. Shading is to the right of it, where x values are greater than -3.

4 0
3 years ago
Which statements about residuals are true for the least-squares regression line? I. A random scattering of residuals indicates t
Daniel [21]

Answer:

II. The sum of the residuals is always 0.

Step-by-step explanation:

A least squares regression line is a standard technique in regression analysis used to make the vertical distance obtained from the data points running to the regression line to become very minimal or as small as possible.

For any least-squares regression line, the sum of the residuals is always zero.

Basically, residuals are used to measure or determine whether or not the line of regression is a good fit or match for the data by subtracting the difference between them i.e the predicted y value and the actual y value, for the x value respectively.

Hence, the statement about residuals which is true for the least-squares regression line is that the sum of the residuals is always zero (0).

7 0
3 years ago
A total of $28,000 is invested in two municipal bonds that pay 4.25% and 4.75% simple interest. The investor wants an annual int
Kobotan [32]

Answer:

$16,000 should be invested in the 4.25% bond

Step-by-step explanation:

Attached is the full solution

6 0
3 years ago
Read 2 more answers
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