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babunello [35]
3 years ago
7

345+ 223 Use rounding or compatible numbers to estimate the sum

Mathematics
1 answer:
Mars2501 [29]3 years ago
8 0
I think it is 568 if I’m not mistaken
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R 2x-6+3=6x-5 please help
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2x - 6 + 3 = 6x - 5

2x - 3 = 6x - 5

6x - 5 = 2x - 3

Add sides 5

6x - 5 + 5 = 2x - 3 + 5

6x = 2x + 2

Subtract sides 2x

- 2x + 6x =  - 2x + 2x + 2

4x = 2

Divide sides by 4

\frac{4x}{4}  =  \frac{2}{4}  \\

x =  \frac{1}{2}  \\

_________________________________

CHECK :

2( \frac{1}{2} ) - 3 = 6( \frac{1}{2} ) - 5 \\

1 - 3 = 3 - 5

- 2 =  - 2

Thus the solution is correct....

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3 0
3 years ago
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Math 1/3 divided by 3/8=
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Which expression is equivalent to 30 (1/2x - 2) +40 (3/4y-4)? (will add pic)
bixtya [17]

Answer:

C

Step-by-step explanation:

Given

30( \frac{1}{2} x - 2) + 40( \frac{3}{4} y - 4)

Multiply each of the terms in the first parenthesis by 30 and multiply each of the terms in the second parenthesis by 40.

= 15x - 60 + 30y - 160

= 15x + 30y - 220 → C

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Chad bought 7 pounds of strawberries for $10.80. What was the cost, c, of 1 pound of strawberries?
never [62]
If you divide the price (10.80) by the weight (7lbs) you would get 1.54 per lbs
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