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algol13
3 years ago
11

-3 + 2t is larger than or equal to 7

Mathematics
2 answers:
Alexeev081 [22]3 years ago
6 0
-3 + 2t ≥ 7

2t ≥ 7 + 3

2t ≥ 10          Divide by 2

t ≥ 10/2

t ≥ 5

I hope this explains it.
algol133 years ago
4 0
It depends on the value of t.
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Jason has 3/ 4 ton of stone to spread equally in 3 square yards. How many tons of stone will be spread in each square yard?
Alex787 [66]

Answer:

1 / 4 ton will cover 1 square yard

Step-by-step explanation:

(3 / 4) / 3 =

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3 / 12 =

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3 0
3 years ago
A city that had 40,000 trees started losing them at a rate of 10 percent per year because of urbanization.
goblinko [34]

Answer:

t = 13.1576  years

Step-by-step explanation:

The situation can be modeled as

P = Po.(1-r)^t

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Po = 40000

r = 10% equivalent to 0.1

Now

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7 0
2 years ago
9 stores is 3% of _____ stores.
Verdich [7]
9 stores is 3% of <u>300</u> stores.

\frac{3}{100}= \frac{9}{300}
Multiply each numerator and denominator by 3.

Hope this helps.

5 0
2 years ago
Read 2 more answers
Javier drove 45 miles, this represents 60% of his entire trip. What is the total number of miles in his trip
faust18 [17]
Ratio and proportion

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hope this helps
5 0
3 years ago
Read 2 more answers
M<br> (2y+19)<br> (5x+20)<br> n<br> (4x-11)
AleksandrR [38]

Answer:

(5x+20)+(4x-11)=180(linear pair)

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2y+134=180

2y=180

y=180/2

y=90

7 0
2 years ago
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