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marusya05 [52]
3 years ago
13

Rounding or compatible numbers to estimate the difference. 762-332

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0
Rounding to the nearest ten 760-330
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Solve the following system of equations:
Vladimir79 [104]

Answer:

<u><em>(-1,1)</em></u>

Step-by-step explanation:

We can solve this by either graphing and finding ther point the lines intersect, or mathematically,  I'll do both.

<u>Graphing:</u>

<u>Mathematically:</u>

−2x + 4y = 6

y = 2x + 3

See the attached graph.  The lines intersect at (-1,1)

--------------------

I'll rearrange the first equation (to make it easier for me):

−2x + 4y = 6

4y = 2x + 6

y = (1/2)x + 1.5

Now lets substitute the second equation into the first so that we can eliminate y:

y = 2x + 3

[(1/2)x + 1.5] = 2x + 3

- (3/2)x = (3/2)

x = -1

If x = -1:

y = 2(-1) + 3

y = 1

The solution is x = -1 and y = 1, or (-1,1)

=================

Both approaches give us (-1,1), the solution to the system of equations.  It is the only point that satisfies both equations.

3 0
1 year ago
Simplify the expression: 1/4+4/5(3/4x-1 1/9)
sweet-ann [11.9K]

Answer:

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Step-by-step explanation:


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Answer:

15 in.

Step-by-step explanation:

P = 2(L + W)

36 = 2(L + 3)

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Oksana_A [137]

Answer:

1: Sides

2:  like terms

Step-by-step explanation:

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Write the ordered pair that represents yz. Then find the magnitude of yz.<br> Y(-2, 5), z(1,3)
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Answer:

Okay, gimme a sec...

Step-by-step explanation:

8 0
3 years ago
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