Answer:
20+20=40
they have 40 apples altogether.
A quadrilateral with one pair of parallel sides is a trapezoid. If it has two pairs of parallel sides it is a parallelogram, but parallelograms are also trapezoids in the same way that dogs are also mammals. A parallelogram has two pairs of congruent sides.
Answer:
-17
Step-by-step explanation:
<em>given:</em>
-3x^2 - 2x -9 when x= -2
<em>rewriting so it's easier to view:</em>
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<em />
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<em>substituting:</em>
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<em>simplifying step-by-step:</em>
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-17
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Hope this helps, have a nice day! :D
Here are the solutions. See the attachment. I've color-coded for clarity.