Determine the positive number that must be added or subtracted to the expression to complete the square. x ^ 2 - 2x.

Mathematics

1 answer:

eimsori [14]3 years ago

6 0

Answer:

Step-by-step explanation:

take the -2 and divide it by 2

that gives you -1

then square it

now its positive 1

formula is $(b/2)^{2}$

where b is the term next to the x

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Answer:

the equilibrium expected growth rate is 6.65%

Step by step Explanation:

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= 1.25×100= 125

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y = 125/32.50

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the ratio to boys to girls in sixth grade is 5:3 if their are 400 sixth graders how many boys are their

ohaa [14]

Answer:

250 boys

Step-by-step explanation:

sum the parts of the ratio, 5 + 3 = 8 parts

Divide the total by 8 to find the value of 1 part of the ratio

400 ÷ 8 = 50 , then

number of boys = 5 × 50 = 250