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Nadya [2.5K]
3 years ago
15

6(n-3)-2n=10 solve n

Mathematics
2 answers:
BARSIC [14]3 years ago
7 0
I got -2. i hope that’s correct
Naddika [18.5K]3 years ago
7 0

Answer:

n=7

Step-by-step explanation:

6(n-3)-2n=10

Distributive Property

6n-18-2n=10

Combine like terms

4n-18=10

Addition property of equality with -18; add -18 to both sides

4n=28

Division property of equality; divide 4 from both sides

n=7

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Please help me on this question
riadik2000 [5.3K]
The equation is 10 + 2x= 56; 56 - 10= 46; 46 ÷ 2= 23,
The answer is 23 people.

Hope this helps :)
6 0
4 years ago
The population of a city increases by 3.1% per year. If this year's population is 119,000, what will next year's population be,
fredd [130]

Answer:

<u>The next year population is 122,689</u>

Step-by-step explanation:

<u>The computation of the next year population is as follows:</u>

<u>= This year population × increase percentage</u>

<u>= 119,000 × (1 + 0.031)</u>

<u>= 119,000 × 1.031</u>

<u>= 122,689</u>

<u>Hence, the  next year population is 122,689</u>

<u>The above formula is applied so that the correct value of the population could come</u>

<u>and the same is relevant</u>

- Hope this helped! ^ω^

3 0
3 years ago
What is the measure of angle 6, to the nearest degree?<br> 81°<br> 90<br> 99°<br> 105°
Kaylis [27]

Answer: 99

Step-by-step explanation:

10x-9=9x

-9=-x

x=9

angle 7 = 9*(9)=81

angle 6 = 180-81= 99

NOTE: DO NOT hit 90 because I did that and got it wrong. Just a heads up. Get luck!

6 0
3 years ago
Passes through (6 1) and is perpendicular to the line 3x-4y=2 standard form
Snowcat [4.5K]

Answer:

1⅓x + y = 9

Step-by-step explanation:

Convert the Standard Form of the given line to Slope-Intercept Form:

  1. -4y = -3x + 2 [Move -3x to the right side of the equivalence symbol]
  2. y = ¾x - ½ [Divide everything by -4]

Then, after getting your equation, take the OPPOSITE MULTIPLICATIVE INVERSE of ¾ [perpendicular lines have OPPOSITE MULTIPLICATIVE INVERSE <em>Rate</em><em> </em><em>of</em><em> </em><em>Changes</em><em> </em>(<em>SLOPES</em>)], which is -1⅓ [or -4⁄3]. After getting your slope, you can perform the action with your given ordered pair to find your y-intercept:

1 = -1⅓[6] + b

-8

9 = b

Now that you have your y-intercept, this is your new equation in <em>Slope-Intercept Form</em>:

y = -1⅓x + 9

We are not done just yet. The final step is to convert the Slope-Intercept Form of the line to Standard Form, and here is how it is done:

y = -1⅓x + 9

+1⅓x +1⅓x

--------------

1⅓x + y = 9 → Final equation

If you are ever in need of assistance, do not hesitate to let me know by subscribing to my channel You-Tube channel [USERNAME: MATHEMATICS WIZARD], and as always, I am joyous to assist anyone at any time.

**On my channel, I have a video that pretty much explains how to something like this. It is the longest video on there. You should be capable of finding it in a jip!

5 0
3 years ago
Can some one help me with this?:
Studentka2010 [4]
2.6pi is the circumference 
circumference is 2pi*r
so 2.6pi=2pi*r
2.6=2r
r=1.3
The radius should be 1.3 meters
7 0
4 years ago
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