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Shanelle
Questions (6)
Writing: How can you tell that
x^2−19x+90 is not a perfect square trinomial?
2 answers
403 views
Identify the sentence in which the underlined verb does not agree with its subject.
A. Chance and Martina are listening to the
1 answer
932 views
a triangle has an area of 20 inches squared. every dimension of the triangle is multiplied by a scale factor, and the new
1 answer
639 views
A 2.0 kg ball is placed against a spring of force constant 750N/m, which has been compressed 0.28m. The spring is released and
1 answer
532 views
A diver (mass = 75.0 kg) walks to the end of a flexible diving board. The end of the board bends down a distance of 0.55 m. The
2 answers
1,411 views
What does it means when the question asked you to give a thorough description (ingredients) of the items your book is made of
2 answers
283 views
Answers (3)
Whath a answer 8/9 plus 3/4
a triangle has an area of 20 inches squared. every dimension of the triangle is multiplied by a scale factor, and the new triangle has an area of 180 inches squared. what was the scale factor?
Additional Info! My teacher told me that I could use Hooke's law for a) (f=kx), Elastic potential energy (Ee=1/2kx^2) for b), and Ee=Eg (Eg=mg(change in height)) for c). I worked a) out to be 1337.72 by using F=mg to find force to use in the F=kx equation.
