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Juli2301 [7.4K]
3 years ago
10

-3(n + 4)= 9 what solution is n

Mathematics
1 answer:
Lelechka [254]3 years ago
6 0

Answer:

-7

Step-by-step explanation:

- 3(n + 4) = 9 \\  \\  - 3n - 12 = 9 \\  \\  - 3n = 12 + 9 \\  \\  - 3n = 21 \\  \\ n =  \frac{ - 21}{3}  \\  \\ n =  - 7

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PLEASE HELP ME ASAP!! I HAVE ALREADY POSTED THIS LIKE TWICE!!!!!<br> I WILL AWARD BRAINLIEST!!
PilotLPTM [1.2K]
80%
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Let’s say the original fraction is 100/100 (this is 100%) and we decrease what the question tells us to, we then get a fraction of 15/75.
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15/75 is equal to 20%.
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8 0
3 years ago
Rose is making chocolate chip cookies for dessert the recipe for one batch of chocolate chip cookies calls for 2 1/2 cups of sug
lilavasa [31]

Answer:

8.75 cups

Step-by-step explanation:

3.5:1 (the ratio of batches to 1 batch)

x:2.5 (the ratio of cups of sugar used to the amount used for only 1 batch)


3.5/1=x/2.5 (proportion)


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3 0
3 years ago
Find the distance between the pair of points<br><br> (0,0)(6,8)
Ivahew [28]
  • A(0,0)
  • B=(6,8)

Distance formula

\boxed{\sf AB=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}

\\ \sf\longmapsto  \sqrt{(6 - 0) {}^{2} +  {(8 - 0)}^{2}  }  \\ \\ \sf\longmapsto  \sqrt{ {6}^{2}  +  {8}^{2} }  \\ \\ \sf\longmapsto  \sqrt{36 + 64  }  \\ \\ \sf\longmapsto  \sqrt{100}  \\ \\ \sf\longmapsto 10

4 0
3 years ago
The solution for the following system of linear equation 3m-2n=13 is (2,-1) true or false
Tanya [424]

Answer:

Not True

Step-by-step explanation:

>_<

4 0
3 years ago
Read 2 more answers
A bag contains 5 red marbles , 2 blue marbles, 4 white marbles, and 1 yellow marble. if 2 marbles are chosen in a row , without
slega [8]
P of 1st white marble = 4/ 12

and P of 2nd white in a row = 3 /11

total = ( 4/12) * ( 3/11)
  = 1/11

hope it helped
8 0
3 years ago
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