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madam [21]
3 years ago
13

How many solutions? 2x + 6 = 3(x + 2) - x

Mathematics
1 answer:
Serjik [45]3 years ago
6 0

Answer:

2x = 2x

Step-by-step explanation:

2x + 6 = 3x + 6 - x

2x = 3x - x(cancel equal terms)

2x=2x

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From a train station, one train heads north, and another heads east. Some time later, the northbound train has traveled 12 miles
tigry1 [53]

9514 1404 393

Answer:

  20 miles

Step-by-step explanation:

The north and east distances form the legs of a right triangle. The straight-line distance between the trains is the hypotenuse of that triangle. The Pythagorean theorem can be used to find the length of the hypotenuse (d).

  d² = 12² +16²

  d² = 144 +256 = 400

  d = √400 = 20

The two trains are 20 miles apart.

__

<em>Additional comment</em>

You may recognize the given distances are in the ratio 3 : 4.  You may recall that side ratios of 3 : 4 : 5 make a right triangle. If so, you recognize that the straight-line distance is (4 miles)×5 = 20 miles. (3:4:5 right triangles show up often in algebra and geometry problems, so might be something you want to look for.)

3 0
3 years ago
A city's grower ships grapefruit in boxes of 10 one season the grower shipped 20,400 boxes of grapefruit how many were shipped
Ivenika [448]
You multiply 20,400 by 10 which will equal 204,000
3 0
3 years ago
PLEASE HELP THIS IS OVERDUE !!!!!!!!!! BRAINLIEST + POINTS!!!!!
zavuch27 [327]

Answer:

:)

Step-by-step explanation:

to bad wow T^T

7 0
3 years ago
Read 2 more answers
#7 HELP ! WILL GIVE BRANLIEST
likoan [24]

Answer:

x = 8, y = 4√3, z = 8√3

Step-by-step explanation:

Assuming that y is the altitude of the triangle (perpendicular to the hypotenuse), the triangles are similar.  So we can write proportions:

x / 4 = 16 / x

x² = 64

x = 8

4 / y = y / 12

y² = 48

y = 4√3

z / 12 = 16 / z

z² = 192

z = 8√3

Note: after finding one side, you can also use Pythagorean theorem to find the other two sides.

3 0
3 years ago
What is the slope of the line whose equation is 3x-5y=10?
schepotkina [342]
Get into y=mx+b form
m=slope


3x-5y=10
minus 3x from both sides
-5y=-3x+10
divide both sides by -5
y=-3/-5x+10/-5
y=3/5x-2
the slope is 3/5
5 0
4 years ago
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