4 years ago

Evaluate the expression when a=2 and x= -3

Mathematics

1 answer:

otez555 [7]4 years ago

4 0

Step-by-step explanation:

Where's the espression?????

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200% i think

Step-by-step explanation:

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Step-by-step explanation:

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Peony mixes red paint and white paint in the ratio 1:3 She uses four tins of red paint Work out the total number of tins of pain

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3 years ago

Question 1

olga_2 [115]

Step-by-step explanation:

$(7r+5s)^2$

use the pattern

$(a+b)^2=a^2+2ab+b^2$

$(7r+5s)^2=(7r+5s)(7r+5s)$

Apply FOIL method to multiply the parenthesis

$(7r+5s)^2=(7r+5s)(7r+5s)$

$(7r+5s)(7r+5s)\\49r^2+35rs+35rs+25s^2\\49r^2+70rs+25s^2$

Compare the expression with $(a+b)^2=a^2+2ab+b^2$

The value of a=7r and the value of b=5s

Answer :

a=7r , b=5s

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4 years ago

Convert the given time period to years,assuming a 52 week year.8 weeks

erma4kov [3.2K]

52 weeks = 1 year

Find 1 week in term of years:
1 week = 1/52 year

Find 8 weeks in term of years:
8 weeks = 8/52 year
8 weeks = 2/13 year

Answer : 2/13 year

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4 years ago