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Serggg [28]
3 years ago
7

- 2x + 12 = 2(x + 6)​

Mathematics
1 answer:
Crank3 years ago
4 0

Answer:

x=0

Step-by-step expla

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A wise women once said, “400 reduced by twice my age is 264.” What is her age?
KonstantinChe [14]

Answer:

My age is 78 years.

Explanation:

Define my age first as a variable.

Let my age be  

x

years.

Reduced by means subtracted.

Subtract twice my age from 400 to get 244:

400

−

2

x

=

244

400

−

244

=

2

x

     

←

make x positive and isolate it.

156

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78

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Write the equation in standard form 3x + 1 = 2y
yulyashka [42]
The standard form of an equation is
ax + by = c

In the question, we have the following formula
3x + 1 = 2y

To get the formula in standard form, we first have to subtract 2y from both sides (since we need to get 2y on the left side)
3x - 2y + 1 = 0

Finally we subtract 1 from both sides (since we need the number on the right side)
3x - 2y = - 1

Hence, 4. is the correct answer.
8 0
3 years ago
What is 120.571 in expanded form?
borishaifa [10]
The expanded form would be 100.000 +20.000+0.000+.500+.070+.001
5 0
3 years ago
Read 2 more answers
The following table shows a proportional relationship between mmm and nnn.
Marina CMI [18]

Answer:

70707mmm = 111nnn

Step-by-step explanation:

Using the basic equation of a line:

y = mx + c;. where m is slope and c is intercept on y axis.

Let mmm = y and nnn = x

(i) 333 = 212121m + c

(ii) 555 = 353535m + c

Making c the subject of the formula in both (i) and (ii)

c = 333 - 212121m = 555 - 353535m

353535m -212121m = 555 - 333

141414m = 222

m = 111/70707

Substitute in (i) above

c = 333 -333 = 0

Hence; y = 111/70707x + c

Finally, mmm = 111/70707 nnn

i.e. 70707mmm = 111nnn

Hope this helps.

5 0
3 years ago
Read 2 more answers
Emma has 7 bottles: 3 bottles that contain juice, 2 bottles
UNO [17]

Answer: Out of 7 bottles, 2 bottles contain soda. This means that 2 bottles= 29% out of 100%. 7/2 (7 divided by 2) = 0.285. 0.285 can be rounded up to 0.29, meaning that the approximate percentage of the bottles that contain soda is 29%.

4 0
3 years ago
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