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Semmy [17]
3 years ago
5

Make t the subject of the formula 2(a + t) = 5t + 7

Mathematics
2 answers:
cupoosta [38]3 years ago
8 0

Answer:

t \:  = ( \frac{2a - 7}{3} )

Step-by-step explanation:

2a+ 2t = 5t + 7

2a - 7 = 5t - 2t

2a - 7 = 3t

t = answer

snow_lady [41]3 years ago
3 0

Answer:

Step-by-step explanation:

2a + 2t = 5t + 7

2a - 7  =  3t

t =  (2a = 7) / 3

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1                  

-------------  

(x+2)(x-4)

Step-by-step explanation:

x+4                    x+3

-------------   * --------------

x^2+5x+6        x^2 -16

Factor

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-------------    x cannot equal -3, -4, -2, 4  

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5 0
3 years ago
Which Graph Represents The solution set of this inequality?
Alex

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B

Step-by-step explanation:

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So you would do this:

1 + 2x < 9             Subtract 1

2x < 8                  Divide by 2

x < 4

2. Next, you need to understand the difference between an open circle and a closed circle shown on the solution sets.

An open circle is equal to the following inequalities:

<, >

A Closed circle represents inequalities in situations such as:

greater than or equal to, or less than or equal to

3. Because the inequality above represents only less than or greater than the inequality sets should have an open circle being used.

Since x is less than 4 it should be moving to the left of the line inequality set.

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