Mathematics, 06.06.2020 17:57 allimaycatp8qgaq
29. The ratio of the number of girls to the number of boys in a hall was 2:3.
After 10 girls and 10 boys entered the hall, the ratio of the number of girls
to the number of boys became 5:7. How many boys were there in the hall
at first?
22
Answers: 1
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(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.
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Alex buys a home for $276,400. his home is predicted to increase in value 3.5% each year. what is the predicted value of alex’s home in 25 years? a. 621,357 b. 635,191 c. 653,201 d. 673,415
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The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle
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29. The ratio of the number of girls to the number of boys in a hall was 2:3.
After 10 girls and 10...
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