Mathematics, 13.09.2021 08:10 jacken
Un marco rectangular tiene igual ancho en todas sus partes. Los lados del rectángulo exterior miden 56cm y 33cm y el área de la superficie del rectángulo exterior es el doble de la del interior. ¿Cuál es el ancho del marco?
Answers: 3
Mathematics, 21.06.2019 16:30
The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side
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Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
Answers: 1
Un marco rectangular tiene igual ancho en todas sus partes. Los lados del rectángulo exterior miden...
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