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IRISSAK [1]
2 years ago
8

Which expression is equivalent to 2 3/5 divided by 7/9?

Mathematics
1 answer:
stealth61 [152]2 years ago
6 0

Step-by-step explanation:

2 \frac{3}{5}  \div  \frac{7}{9 }  \\  \frac{13}{5}  \times  \frac{9}{7}  \\  =   \frac{117}{35}

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Researchers have concluded that a dry basin began to fill with water in 1880. the water level rose an average of 1.6 millimeters
docker41 [41]

Answer:

  1. the domain is [0,129]
  2. 112 mm
  3. 1942

Step-by-step explanation:

1. The function is good for years 1880 to 2009, 0 to 129 years after 1880. Values of x can be anything in the domain [0, 129].

__

2. 1950 -1880 = 70. The year 1950 corresponds to x=70, so the function tells us the water level rose ...

  f(70) = 1.6·70 = 112 . . . . . mm

__

3. We want to find x when f(x) = 100. That will be the solution to ...

  100 = 1.6x

  100/1.6 = x = 62.5

Then 62.5 years after 1880 is year 1942.5. The water level was 100 mm higher than in 1880 in the year 1942.

3 0
2 years ago
Three consecutive integers are n-1, n and n+1. Write an expression for the sum of the three integers.
svlad2 [7]
N-2,n and n+2;n-3,n and n+3,n-4,n and n+4....
6 0
3 years ago
The formula to determine the asking price on a house is P=q+2n where q is the quality and n is the neighborhood. 1. Solve the eq
kotykmax [81]
1.q=p-2n
2.q=75000-2*20000
q=75000-40000
q=35000
3.p=90000+2*25000
p=90000+50000
p=140000

Hope this helps :)
8 0
2 years ago
Help me plz. Plz be right :)
Minchanka [31]
A = 1/2 * b * h
b = 14
h = 12

A = 1/2 * 14 * 12
A = 7 * 12 = 84 mm^2
6 0
3 years ago
Use benchmarks to estimate 6.34 + 3.95
larisa86 [58]
6.34 rounds to 6.
3.95 rounds to 4.
So 6+4=10
8 0
3 years ago
Read 2 more answers
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