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elixir [45]
3 years ago
7

Roy wants to make a path from one corner of his yard to the other as shown below. The path will be 4 feet wide. He wants to find

the area of lawn that remains
Roy claims that the area of the lawn is 300 square feet since it covers exactly one-half of the yard. Which statement about his claim is correct?
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0

Answer:

incorrect because the square area would be 440

Step-by-step explanation:

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Which is a correct first step for solving this equation? X+7=2x+5-4x
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Step-by-step explanation:

you collect like terms from both sides that is, the variables on one side and the constants on the other side

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4.5*10^-8/9*10^-9 find the quotient and write it in scientific form
g100num [7]

Answer:

5

Step-by-step explanation:

4.5*10^-8/ 9*10^-9

1) Reduce the fraction, express 9 as a product of multiplying 4.5*2

4.5*10^-8/4.5*2*10^-9

2) Then notice the common factor of numerator and denominator( 4.5) , get rid of it in both numerator and dnominator

3) 10^-8/ 2*10^-9= 1/2*(10^-8/10^-9)= 0.5* (10^-8/10^-9)

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so 0.5*10=5 (it is the answer written in scientific form)

3 0
3 years ago
Misha increased her test score from 60% to 80%.. What was the approximate percent increase of Misha's test score?. 25%. 33%. 66%
Anvisha [2.4K]

we know that

Using the original score as the basis

If Misha increased her test score from 60% to 80%

then

the increase variation is equal to

80%-60%=20%


to find the approximate percent increase of Misha's test score we apply a rule of three

if 60%--------------> represents 100%

20%----------------->x

x=20*100/60

x=33.33%

therefore


the answer is

the approximate percent increase of Misha's test score is 33%

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