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spin [16.1K]
2 years ago
8

What is 12+ 15x please​

Mathematics
1 answer:
Elena L [17]2 years ago
7 0

Answer: 15x+12

Step-by-step explanation: This expression is already simplified :( You can reverse the coefficients though! Both will still be equal, but you can’t simplify anymore.

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a map has a scale of 3cm : 18 km. If riverside & Smithville are 54 km apart they are how far apart on the map?
Finger [1]
Alright! To solve this one you first have to find out what 1cm is equal to in km, to do that you have to divide 18km by 3cm:

[18 ÷ 3] = 6.

Now we know that 1cm is 6km. To find how far apart they are on the map you simply divide 54km by 6km:

[54 ÷ 6] = 9.

They are 9cm apart on the map.
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3 years ago
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The salaries Marc has earned in the past 4 years are shown.
Rina8888 [55]

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Y = 4x - 7 <br> What is the y-intercept?
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3 years ago
Work out the size of angle x <br> Next to 164 and 90
Zielflug [23.3K]

Answer:

x=106 degrees

Step-by-step explanation:

I'm going to assume that this is a circle since you didn't give it to me

So you want to add 164 and 90 together and subtract the sum by 360

360-(164+90)=106

So you want to use PEMDAS (order of operations) to solve this

  1. so do what's in the perenthesis first so 164+90=254
  2. Then you want to subtract 254 from 360 so 360-254=106

x=106 degrees

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3 years ago
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