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Setler79 [48]
3 years ago
9

A(n) ____ is a graphical model of an information system that depicts the logical relationships and interaction among system enti

ties.
Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0
The answer is ERD 
hope this helps

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What is $65.04 times 12 ?
Flura [38]

$780.48 is the answer

4 0
3 years ago
In order to solve the following system of equations by subtraction, which of the following could you do before subtracting the e
Whitepunk [10]
I can't see the options, but you would need to multiply (4x - 2y = 7) by 3, and (3x - 3y = 15) by 4 so that you get 12x in both equations. Then when you subtract, you eliminate 12x. I hope this helps!
7 0
3 years ago
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Jade is painting a rectangular wall. The wall is 414 yd long and 223 yd high. The formula for the area of a rectangle is A=bh. W
anyanavicka [17]
So remember that (a/b)(c/d)=(ac)/(bd)

convert to imporoper number for easy

4 and 1/4=4+1/4=16/4+1/4=17/4

2 and 2/3=2+2/3=6/3+2/3=8/3

length times base=17/4 times 8/3=
(17 times 8)/(4 times 3)=
136/12=
34/3=
33/3+1/3=
10+1/3=
10 and 1/3 square yards


area is 10 and 1/3 square yards
4 0
3 years ago
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You have used the Distributive Property to transform numerical expressions such as (5)(3) + (2)(3) to (5 + 2)(3). How would you
IrinaK [193]
5x + 2x.....combine like terms..... = 7x

5x + 2x....subbing in 1                               7x - 1....subbing in 1
5(1) + 2(1) = 5 + 2 = 7                               7(1) - 1 = 7 - 1 = 6

5x + 2x...subbing in 2                                 7x - 1...subbing in 2
5(2) + 2(2) = 10 + 4 = 14                            7(2) - 1 = 14 - 1 = 13

5x + 2x...subbing in 3                                 7x - 1...subbing in 3
5(3) + 2(3) = 15 + 6 = 21                            7(3) - 1 = 21 - 1 = 20

5x + 2x...subbing in 4                                 7x - 1....subbing in 4
5(4) + 2(4) = 20 + 8 = 28                            7(4) - 1 = 28 - 1 = 27

5x + 2x...subbing in 5                                 7x - 1...subbing in 5
5(5) + 2(5) = 25 + 10 = 35                          7(5) - 1 = 35 - 1 = 34


5x + 2x result values are 1 more then 7x - 1 result values
there are no values that will make the 2 expressions equal....
because 5x + 2x = 7x......and the other one is 7x - 1......so the 7x - 1 values will always be 1 number less...because ur subtracting one
5 0
3 years ago
8.) The distance from Caleb's house to his school is 15 miles. What
aleksandrvk [35]

Answer:

I think the answer would be 79200 feet as 1 miles = 5280 feet

6 0
3 years ago
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