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JulsSmile [24]
3 years ago
9

Which strategy would you use to find 2+8? Doubles plus 1, count on, doubles, or doubles minus 1

Mathematics
1 answer:
Murljashka [212]3 years ago
7 0
Count on the numbers and then you'll get 10 as your answer
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Help me pls <br> 5x^2-45=0
Ulleksa [173]

Step-by-step explanation:

  • 5x²-45=0
  • 5x²=45
  • x²=9
  • x=√9
  • x=3

hope it helps.

4 0
3 years ago
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write an expression for the surface area of the pyramid and then find the surface area 2.24cm 3cm 4cm
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4 years ago
In a standard (x,y) coordinate plane, point M is located at (-4 1/2, 18 1/3) and N is located at (-4 1/2, -2 2/3.) Find the leng
Harrizon [31]

Answer:

\frac{ - 9}{2}  +  \frac{9}{2}  = 0

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3 years ago
How many integers (positive and negative) are divisors of 20?
hram777 [196]

Answer:

1, 2, 4, 5, 10, 20

6 0
3 years ago
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Ira purchased a new dishwasher for $361.35. The dishwasher was on sale for 17.5% off. What was the original price of the dishwas
Anika [276]
Answer: $438
To solve this equation, you cross multiply. I first subtracted 17.5 from 100 in order to get the percentage value that $361.35 was of its original price. Since 100 - 17.5 = 82.5, the washing machine is 82.5% of its original price.

I cross multiplied by writing \frac{361.35}{1}  *  \frac{82.5}{100}, and multiplying 361.35 * 100 and 82.5 * 1. The result was \frac{36135}{82.5}. This becomes $438. There is no rounding needed to be done.
5 0
4 years ago
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