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solniwko [45]
3 years ago
14

Compare the expressions using <, >, or =. Show all your work.

Mathematics
2 answers:
Eva8 [605]3 years ago
8 0
Left hand side:-
( 18 - 3 ) / ( 6 - 1 ) = 15/5 = 3
Right hand side:-
4•( 10 - 3 ) - 4 • 2 = 40 - 12 - 8 = 20


So
3 ___ 20
3 < 20
3 less than 20
( 18-3) / (6-1) less than 4•(10-3)-4•2
( 18-3) / (6-1) < 4•(10-3)-4•2
luda_lava [24]3 years ago
4 0

Answer:

The answer would be <

Step-by-step explanation:

(18-3)÷(6-1)

18-3=15

6-1=5

15÷5=3

________

4×(10-3)-4×2

10-3=7

4×7-4×2

28-8=20

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Angela’s car leaked 6 ounces of oil in 9 days.what is the unit rate of the oil leak?
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2/3 ounces leaked per day

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5 0
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-8x+7+6=-3<br> Answers <br> No solution<br> -1 <br> 4<br> 2
Natali5045456 [20]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
an ivy plant was 19 inches long. two years later it was 33 inches long. what was the percent increase to the nearest hundredth o
lapo4ka [179]

Answer:

73.68%

Step-by-step explanation:

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4 0
4 years ago
4x+5y-5z=196 -11x-7y+12z=-211 -8x-9y-z=-236 Solve for x y z
FrozenT [24]
Have you learned matrices yet? I'm going to use that to solve these, please refer to the photos.

I solved the system by using a matrix calculation. The work always needs to be shown and you do that by setting up the matrix like in the first photo and also writing out all your equations. In a TI calculator, to do this you press 2ND-X^-1,GO TO EDIT - [A] - 3×4- now enter the coefficient of the system of equations variables. NOW 2ND MODE- 2ND-X^-1 -GO TO MATH- ALPHA APPS

Now, if you don't know this you may be confuse so after rref([A]) was enter a matrix came up with [1 0 0 -21] in the top row this means x equal -21. So, the next row is y and it came out as [0 1 0 46] so y equals 46 and I'm going to let you figure out what z is by looking at the matrix.

SO... X=-21 Y=46 and Z=-10

Let's Test it

4x + 5y - 5z = 196 \\ 4( - 21) + 5(46) - 5( - 10) = 196 \\  - 84 + 230 + 50 = 196 \\ 196 = 196



3 0
3 years ago
Read 2 more answers
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