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Ilia_Sergeevich [38]
3 years ago
9

HELP, I need to find out this question!

Mathematics
1 answer:
allsm [11]3 years ago
7 0
That would be 4,explanation:I did this problem w my class
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What is<br> 3a+6b= 4 for b<br> Really need help
saw5 [17]

3a+6b=4

-3a both sides

6b=4-3a

÷6 both sides

b=2/3 -1/2 a

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3 years ago
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o-na [289]
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3 years ago
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Four less than two-thirds of a number is equal to twice the number. What is the number
Ket [755]

Answer:

n = -3


Step-by-step explanation:

Let the number be n.  Then (2/3)n-4 = 2n.

Solve for n.  To accomplish this, start by mult. both sides by 3, to remove the fractional coefficient:  2n - 12 = 6 n, or -12 = 4n.  then n = -3 (answer)


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4 years ago
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A bathtub fills at a constant rate. The amount of water in the tub increases by 1/2 gallon every 1/10 minute. What is the unit r
Oxana [17]
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3 years ago
If possible, draw a line of symmetry in each of the following figures or words. If it is not possible to draw a line of symmetry
Marrrta [24]

Answer:

  a) none

  b) vertical through the middle

  c) horizontal through the middle

  d) none

Step-by-step explanation:

a) A repeated asymmetrical pattern rarely has a line of symmetry. (I can't think of a case where it does.)

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b) This figure has left-right symmetry about its centerline. (In general, a light bulb will not, because the screw threads are asymmetrical.)

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c) Each of the letters is symmetrical about its horizontal centerline, so  the word is as well.

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d) The letter S is symmetrical about its center point, but not about any horizontal or vertical line. This word is not symmetrical about any line.

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8 0
4 years ago
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