CPhill

-sqrt(20)  =  - sqrt(4)*sqrt(5)  = -2sqrt(5)

14.83 is the answer

Draw a number line with integers from 0 to 7.......put an open circle at 4 and a solid "dot" at 7

A particular shade of paint is made by mixing 5 parts red paint with 7 parts blue paint. To make this shade, Shannon mixed 9 quarts of blue paint with 6 quarts of red paint. Did Shannon mix the correct shade? Complete the explanation

7/12 of the mixture should be blue......but, in her mixture, 9/15  = 3/5 of the mixture is blue.....

And 7/12   is not equal to 3/5......so....the shade is not correct

154/165  = 14/15 = about 93.33%

7b _> -12   divide both sides by 7

b > -12 / 7

√x • 4√x = 

x^1/2 * 4 * x^1/2  =

4x

4 1/3 + 7 5/13   we can write

4 + 7  + 1/3 + 5/13 =      get a common denominator (39) for the fractions

11 +  13/39  + 15/39  =

11 + 28/39 

B/2-4=26  add 4 to each side

B/2  = 30   multiply both sides by 2

B = 60

If the probability that Brand A is chosen is 1/3, since there are 24 rackets, there must be 8 Brand A rackets in stock.

The least number of Brand B rackets is 2......so....the greatest number of Brand C rackets would be : 24 - 8 - 2 =  14