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tester [92]
3 years ago
12

What is the value of the expression shown right next to it -7 3/4 + 3 1/2

Mathematics
2 answers:
zubka84 [21]3 years ago
6 0

Answer: -4\frac{1}{4}

<u>Step 1</u>

<u></u>-\frac{31}{4} + 3\frac{1}{2}<u></u>

<u></u>

<u>Step 2</u>

<u></u>-31/4+7/2<u></u>

Answer: -17/4

<u>Divide</u>

-17/4=-4.25

-4.25=-4\frac{1}{4}

luda_lava [24]3 years ago
3 0

Answer: I think the Answer is -17/4= -4 1/4

Step-by-step explanation:

<u><em>I HOPE THIS  HELPS IF NOT THEN I AM SORRY.</em></u>

<u><em></em></u>

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6 0
3 years ago
Need help with 34,35,36,37
nirvana33 [79]
34. x - 3 = 8x + 4
      -3 - 4 = 8x - x
      -7 = 7x
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      -1 = x

y = x - 3
y = -1 - 3
y = -4

solution is (-1,-4)
===================
35. -6 = -x - 2y
      x = -2y + 6

2 + 5x = -2y
2 + 5(-2y + 6) = -2y
2 - 10y + 30 = -2y
32 = -2y + 10y
32 = 8y
32/8 = y
4 = y

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2 + 5x = -8
5x = -8 - 2
5x = -10
x = -10/5
x = -2

solution is (-2,4)
==================
36. 4x + 6y = 2000
       x + y = 410
==================
37. 4x + 6y = 2000
       x + y = 410......multiply by -6
----------------------
4x + 6y = 2000
-6x - 6y = - 2460 (result of multiplying by -6)
--------------------add
-2x = - 460
x = -460/-2
x = 230 <=== tickets in advance
 

3 0
3 years ago
Use the image to solve
elixir [45]
The answer is

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Plz help I'm just having a brain fart right now<br><br>​
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Answer:

x=11

Step-by-step explanation:

For extra help the second answer is: 7a(3-a)

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One cow is fed a growth hormone and another cow is not. After a year, both cows are weighed.
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