Solve the problem (9-6)+12

Mathematics

2 answers:

aev [14]2 years ago

8 0

That would be 15

Because you would do 9-6 first which gives you 3

Then you do 3+12 = 15

Yanka [14]2 years ago

4 0

Answer:

Step-by-step explanation:

you do parenthesis first

9-6=3 then add 3 to 12

3+12=15

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Find the area of the trapezoid below.

Pani-rosa [81]

Answer: 54 cm²

Step-by-step explanation: In this problem, we're asked to find the area of the trapezoid shown. A trapezoid is a quadrilateral with one pair of parallel sides.

The formula for the area of a trapezoid is shown below.

$Area =\frac{1}{2} (^{b} 1 + ^{b}2)h$

The <em>b's</em> represent the bases which are the parallel sides and <em>h</em> is the height.

So in the trapezoid shown, the bases are 6 cm and 12 cm and the height is 6 cm. Plugging this information into the formula, we have $\frac{1}{2} (6 cm +12cm)(6 cm)$ .

Next, the order of operations tell us that we must simplify inside the parentheses first. 6 cm + 12 cm is 18 cm and we have $\frac{1}{2}(18 cm)(6 cm)$ .