# Posts by geekgirl95

Total # Posts: 16

math
oh yeah thaNKS.:)

math
pls. explain

math
how did yu get 107.75?

math
thanks :)

math
Triangle ABC has are 30cm^2, AC=9 cm and BC= 7cm. Calculate the measureof angle ACB and the larget possible length of AB.

math
pls. explain why there is no real number è that satisfies ither sinè=2 or cos è=2.

math
two angles in a triangle measure degreeand 38. the longest side is 24cm longer than the shortest side. write to explain how you would determine the length of the shortest side. can i use sin law or the cosine law.pls. explain..

math
simplify: c-d/d-c

math
how would i get the domain and range of f(x)= sq.root of 3-x-4? pls. explain.

math
april sells specialty teddy bears at various summer festivals. her profit for a week,P, in dollars, can be modelled by P= -0.1n^2 + 30n - 1200, where n is the umber of teddy bearsshe sells during the week. a.) According to this model, could april ever earn a profit of \$2000. b...

Chemistry
v1=c2v2/c1 v1= (0.2M)(200ml)/(6M) v1=6.67 ml HCl

math
thanks :)

math
in his spare time, kim likes to go cycling. he cycles partly on paved surfaces and partly off-road, through hilly and wooded areas. he cycles at 25km/hon paved surfacesand at 10 km/h off-road. one day, he cycled 41km in 2h. how far did he cycle off road?

Chemistry
2n Ca(OH)2= n HCl 2[c Ca(OH)2 v Ca(OH)2] = c HCl v HCl c Ca(OH)2= c HCl v HCl/2v Ca(OH)2 c Ca(OH)2= (0.158M)(32.40mL)/2(27mL) c Ca(OH)2= 0.111M pls. check if it's right:)

math
thanks :)

math
shanon needs 20g of 80% of gold to make a pendan. she has some 85% gold and some 70% gold, from broken jewelry and wants to know how much she should use. determine the quantity of each alloy that she should use.

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