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Thepotemich [5.8K]
3 years ago
12

0.4(2x+1\2)=3[0.2x+(-2)]-4

Mathematics
1 answer:
choli [55]3 years ago
3 0
0.4(2x+\frac{1}{2})=3[0.2x+(-2)]-4\ \ \ | omit\ brackets\\\\
0.8x+0.2=0.6x-6-4\\\\
0.8x+0.2=0.6x-10\ \ \ | subtract\ 0.6x\\\\
0.2x+0.2=-10\ \ \ | subtract\ 0.2\\\\
0.2x=-10.2\ \ \ | divide\ by\ 0.2\\\\
x=-51
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telo118 [61]
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3 0
3 years ago
SOMEONE PLEASE HELP ITS WORTH 90 POINTS
motikmotik

Answer:

Step-by-step explanation:

The two x angles on the right are supplementary which means they add up to 180 degrees

5x + 12 + 7x - 24 = 180

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3 0
2 years ago
165:250 as a decimal
Klio2033 [76]
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5 0
3 years ago
Read 2 more answers
Use a calculator or a square root table to approximate to the nearest thousandth
Vadim26 [7]

Answer:

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Step-by-step explanation:

Here we have to calculate the square root of a certain number using the help of the calculator or a square root table.

The given expression is - \sqrt{ 171 }.

Now, using calculator \sqrt{ 171 } = 13.076696

Now,  - \sqrt{ 171 } = - 13.076696

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2 years ago
How many g in 45 kg?
tigry1 [53]
45000 grams
Hope this helps. Have a amazing day and stay safe <3
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