Determine cosine 23 degrees:

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Accepted Answer

[tex]cos23^o\approx0,9205[/tex]

Factor [tex]x^{2} =7x[/tex]
It takes Akira 10 minutes to make a black and white drawing and 25 minutes for a color drawing. On Saturday he made a total of 9 drawings in 2 hours. Write and solve a system of equations to determine how many drawings of each type Akira made.
An animal rescue centre has 20 animals. 11 of the animals are dogs and 9 of the animals are horses. What fraction of the animals at the animal rescue centre are dogs? Give your answer in its simplest form.
Write an inequality for the graph below.
On your first day of work at the Vanity Fur Grooming Shop, you groomed 3 dogs between 7:45 a.m. and 2:30 p.m., taking breaks that totaled 45 minutes. Your supervisor advises that you will be scheduling your own appointments when customers call to have their pets groomed. If you continue to work at the same rate, how much time should you allow for each grooming appointment?
Jane and Jill collect yo-yos. The ratio of the number of Janes yo-yos to the number of JIlls yo-yos is 5:4. If jane will give 15 of her yo-yos to her little brother, Jane and Jill will have the same number of yo-yos in their collections. How many yo-yos do both girls have together?