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2 years ago

15

Simplify by combining like terms 7x + 3 (2x-6) - 10 - 7x

2 answers:

serg [7]2 years ago

4 0

Answer:

6x−28

Step-by-step explanation:

ruslelena [56]2 years ago

3 0

6x-28 is what I got for this

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Solve the following absolute value equations. Show the solution set and check your answers. |0.3-3/5k|-0.4=1.2

9966 [12]

Answer:

**The equation is not clear, so I have provided both options**

<h3><u>Option 1</u></h3>

$\left|0.3-\dfrac{3}{5}k\right|-0.4=1.2$

$\implies \left|0.3-\dfrac{3}{5}k\right|=1.6$

<u>Solution 1</u>

$\implies 0.3-\dfrac{3}{5}k=1.6$

$\implies -\dfrac{3}{5}k=1.3$

$\implies k=-\dfrac{13}{6}$

<u>Solution 2</u>

$\implies -(0.3-\dfrac{3}{5}k)=1.6$

$\implies -0.3+\dfrac{3}{5}k=1.6$

$\implies \dfrac{3}{5}k=1.9$

$\implies k=\dfrac{19}{6}$

<h3><u>Option 2</u></h3>

$\left|0.3-\dfrac{3}{5k}\right|-0.4=1.2$

$\implies \left|0.3-\dfrac{3}{5k}\right|=1.6$

<u>Solution 1</u>

$\implies 0.3-\dfrac{3}{5k}=1.6$

$\implies -\dfrac{3}{5k}=1.3$

$\implies -3=6.5k$

$\implies k=-\dfrac{6}{13}$

<u>Solution 2</u>

$\implies -(0.3-\dfrac{3}{5k})=1.6$

$\implies -0.3+\dfrac{3}{5k}=1.6$

$\implies \dfrac{3}{5k}=1.9$

$\implies 3=9.5k$

$\implies k=\dfrac{6}{19}$

6 0

2 years ago

Ned rode his bike 7 miles to the library. he took a shortcut on the way home which was only 5 miles long. how many miles did ned

kondor19780726 [428]

He took 12 miles your welcome

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3 years ago

(PERSON WHO ANSWERS WILL BE MARKED BRAINLIEST) Timothy has begun selling copies of his first work of art. In the first year, he

tresset_1 [31]

Y = 40
Since,
1st year = 200
2nd year= 200 + 40 =240
3rd year = 240 + 40 = 280
4th year = 280 + 40 = 320
5th year = 320 + 40 =360
6th year = 360 + 40 = 400.
So, basically all you have to do is add 40!
Therefore, the answer is y = 40 Hope this helped! :)

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3 years ago

I need help with this question u=k÷a for a

Katyanochek1 [597]

Ua=k
a=k/u
since you first multiply a then divide u pls put my answer as the brainiest one<span />

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3 years ago

"if calvin buys 4 pounds of starfruit and 3 pounds of oranges, how much is his total utility"

mel-nik [20]

He would have bought 7 pound
This is because you would add 4 and 3 together

Hope this helps!

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3 years ago