duhitzmay9395
12.12.2021 •
Mathematics
Write the word sentence as an equation. Then solve.
The sum of a number a and 12 is -6.
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Ответ:
a + 12 = -6 , a = -18
Step-by-step explanation:
Hi there!
the first half of the statement says “the *sum* of a number a and 12, so we can write that as a+12. The second half of the statement says that the sum of both of those values is -6, meaning that a + 12 = -6. Knowing this, we can now solve. In order to isolate a, subtract 12 from both sides of the equation. You will be left with a = -18.
Hope this helps!
Ответ:
The answer is option 2.
Step-by-step explanation:
You have to use the formula of area of trapezium :
Let AB be 13 inches,
Let CD be 17 inches,
Let BC be 8 inches,