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forsale [732]
3 years ago
5

floodwaters are used to prevent damage from floods. A town built a floodwall 4 4/8 feet tall. Another town built a floodwall 7 1

/8 feet tall. What is the difference between the heights of the floodwalls?
Mathematics
1 answer:
Sveta_85 [38]3 years ago
5 0
It's basic subtraction. you subtract 7 1/8 with 4 4/8 by turning one of the one from the seven to 8/8 and add that to 1/8 so you get 9/8. Then 6 9/8 - 4 4/8 = 2 5/8.
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Please help me! :( Will mark as brainliest !!
aev [14]

\frac{(x + 1)(x - 1)}{(x + 3)(x - 3)}  \times  \frac{(x + 3)(x + 5)}{(x - 1)(x + 4)}  =  \frac{(x + 1)(x + 5)}{(x - 3)(x + 4)}
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3 years ago
Estimate the solution of the system of equations. Write the answer as an ordered pair.
Lapatulllka [165]
When you graph a system of equations, the solution is always at the point at which the two lines intersect. So you have to find that point and then find which number it is on the x-axis and y-axis. Then you should write it in this form (X,Y)
So the lines basically cross at (1,2.5)

I’m not really sure if this is the correct answer but I hope it helps!!

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6 0
3 years ago
Need Help ASAP on this question
marta [7]

Step-by-step explanation:

1250 - 8 \times 82 =  \\  = 1250 - 656 =  \\  = 594

7 0
2 years ago
Read 2 more answers
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Aleksandr-060686 [28]

The first one x=3 and for the second one x=2.

7 0
3 years ago
Whats the difference between a subset and a proper subset? {5,8} {2,5,8} Is {5,8} a subset of {2,5,8}.
valina [46]

Answer:

\{5,8\} is a subset of \{2,5,8\}

Step-by-step explanation:

Required

Difference between subset and proper subset

To answer this question, I will use the following illustration.

A = \{1,2,3\}

B = \{2,3\}

C = \{1,2,3\}

In the above sets, set B is a proper subset of set A because all elements of B can be found in A, but not element of A can be found in B.

Set C is a subset of A because A = C

Using the above illustration, we have:

\{5,8\} and \{2,5,8\}

\{5,8\} is a subset of \{2,5,8\}, because 5 and 8 are in \{2,5,8\} but 2 which ca be found in \{2,5,8\} is not in \{5,8\}

8 0
2 years ago
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