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3 years ago

What is the order of the numbers from least to greatest? A = 1.5 x 10^3; B = 1.4 x 10^-1; C = 2 x 10^4; D = 1.4 x 10^-2

Mathematics

2 answers:

NikAS [45]3 years ago

8 0

Answer:

D < B < A <C

Step-by-step explanation:

Solve each of the equations

A= 1500

B= 0.14

C= 20000

D= 0.014

Least to greatest

D < B < A <C

12345 [234]3 years ago

7 0

A
D=0.014, B=0.14, A=1500, C=20000

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Answer:

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Step-by-step explanation:

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2y = 4x - 8 <br>3x + 2y = 6<br>graph

Vinvika [58]

Answer:

see attached

Step-by-step explanation:

I find it convenient to let a graphing calculator draw the graph (attached).

If you're drawing the graph by hand, there are a couple of strategies that can be useful.

The first equation is almost in slope-intercept form. Dividing it by 2 will put it in that form:

y = 2x -4

This tells you that the y-intercept, (0, -4) is a point on the graph, as is the point that is up 2 and right 1 from there: (1, -2). A line through those points completes the graph.

The second equation is in standard form, so the x- and y-intercepts are easily found. One way to do that is to divide by the constant on the right to get ...

x/2 +y/3 = 1

The denominators of the x-term and the y-term are the x-intercept and the y-intercept, respectively. If that is too mind-bending, you can simply set x=0 to find the y-intercept:

0 +2y = 6

y = 6/2 = 3

and set y=0 to find the x-intercept

3x +0 = 6

x = 6/3 = 2

Plot the intercepts and draw the line through them for the graph of this equation.

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Here, we have suggested graphing strategies that don't involve a lot of manipulation of the equations. The idea is to get there as quickly as possible with a minimum of mistakes.