$b^{2}-15b-54=0. \newline
b^{2}-15b=54. \newline
b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline
(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline
b-\frac{15}{2}=\pm\frac{21}{2}. \newline
b=\pm\frac{21}{2}+\frac{15}{2}. \newline
b_1 = -3, b_2 = 18.$

3 0

3 years ago

Please help me ASAP .......

mariarad [96]

Answer:

<3 ~= <5 - Alternate Interior Angles Theorem

<3 ~= <7 - Corresponding Angles Theorem

<5 ~= <7 - Vertical Angles Theorem

line I || line m - Transitive Property

3 0

3 years ago

Help asap please I really need it

Svetlanka [38]

The answer would be B. About 92 cubic feet. Have a good rest of your day.

3 0

3 years ago

True or false the difference between consecutive perfect square numbers is always odd

ipn [44]

Hi,
That would be true.

4 0

3 years ago

Please graph each line and find the slope of each line.​

Please graph each line and find the slope of each line.