Answer:
Step-by-step explanation:
Move 2a to left hand side and change it's sign
Similarly, move 10 to right hand side and change it's sign
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Collect like terms
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Subtract 10 from 26
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Divide both sides of the equation by 2
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Calculate
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Hope I helped!
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Answer:
12 m²
Step-by-step explanation:
Area of the floor:
area = length * width
area = 4 m * 5 m
area = 20 m²
area of carpet = 60% of area of the floor
area of carpet = 0.6 * 20 m²
area of carpet = 12 m²
a.
'the product of a number y and 3' = Y * 3
'five more than the product....' = 5 + (Y * 3)
The expression that can be used to model this phrase is 5 + 3Y.
b.
'the quotient of a number N and 4' = N ÷ 4
'seven less than the quotient...' = (N ÷ 4) - 7
The expression that can be used to model this phrase is (N ÷ 4) - 7.
To answer this would have to find the circumference of the circle