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allochka39001 [22]
3 years ago
8

-4 is less than or equal to 2t + 5 which is less than 11

Mathematics
2 answers:
dlinn [17]3 years ago
7 0
Not sure what you’re trying to find but here’s the simplified version:

-4<=2t+5<11
-9<=2t<6
-9/2<=t<3
xz_007 [3.2K]3 years ago
5 0

Answer:

Step-by-step explanation:

-4≤2t+5<11

subtract 5 from each inequality

-4-5≤2t+5-5<11-5

-9≤2t<6

divide by 2

-9/2≤2t/2<6/2

-4.5≤t<3

or t∈ [-4.5,3)

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Please need help i need help i need help
xeze [42]

Set each expression from the parentheses equal to 0 separately like so:

Equation 1: x - 4 = 0

Equation 2: -5x + 1 = 0

Now for each equation solve for x!

Equation 1:

x +(- 4 + 4) = 0 + 4

x = 4

Equation 2:

-5x +( 1-1) = 0 - 1

-5x/ -5 = -1 / -5

x = 1/5

Check:

(4 - 4)(-5*4 + 1)

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(0) (-19)

0 = 0 -------------------------> correct!

(1/5 - 4)(-5 * 1/5 + 1)

(-19/5)(-1 + 1)

(-19/5)(0)

0 = 0 -------------------------> correct!

smaller x = 1/5

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Hope this helped!

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3 years ago
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