Answer:
Step-by-step explanation:
See the attachment for the chart
To multiply a sum by a number, multiply each term inside the parentheses by the number outside the parentheses.
1 answer:
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The expression that we need to get is:
So the correct option is the second one.
<h3>Which expression gives the number of gallons of stain Bradley will need?</h3>
We know that 1 gallon is enough to cover 200 ft².
We have two rectangular areas, one of:
23 feet by 10.4 feet, and other of 10.5 feet by 7.2 feet.
Then the total area is:
A = (23 ft)*(10.4 ft) + (10.5ft)*(7.2 ft)
The number of gallons needed is given by the quotient between the area that we want to cover, and the area that covers one gallon, so the expression is:
So the corerect option is the second one.
If you want to learn more about algebraic expressions:
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Answer:
10 inches
Step-by-step explanation:
Given
Shape: Isosceles Triangle
Required
Find the length of the other two sides
Represent the other sides with x.
Since it is an isosceles triangle, 2 sides are equal.
So, we have:
Collect Like Terms
Divide both sides by 2
<em>The other sides are 10in each</em>