24-01-2015
Mathematics

Answered

4x+7y=19
y=x+9
what is the coordinates?

Answer :

24-01-2015

4x+7(x+9)=19
4x+7x+63=19
11x=-44
x=-4
y=-4+9
y=5

(-4,5)

Answer Link

Other Questions

There is a 0.99968 probability that a randomly selected 30-year-old female lives through the year. An insurance company wants to offer her a one-year policy w

How do you define a contract?A. An agreement between two or more people but there are no consequences for violating it.B. An agreement between two or more parti

77% of all bald eagles survive their first year of life. Give your answers as decimals, not percents. If 40 bald eagles are randomly selected, find the probabi

If [tex]$60.0 \, g$[/tex] of molten iron(III) oxide reacts with [tex]$29.0 \, g$[/tex] of aluminum, what is the mass of iron produced?[tex]\[ \mathrm{Fe_2O_3 (l

Use trigonometric identities to simplify the expression:[tex]\[ \csc (-\beta) \tan (\beta) \][/tex]

Which of the following are true statements about a [tex]$30$[/tex]-[tex]$60$[/tex]-[tex]$90$[/tex] triangle? Check all that apply.A. The hypotenuse is [tex]$\sq

(2) If [tex]$r=\binom{3}{1}[tex]$[/tex] and [tex]$[/tex]s=\binom{-2}{1}[tex]$[/tex], calculate [tex]$[/tex]6(x+2s)$[/tex].

A student earned grades of Upper A, Upper B, Upper B, Upper C, and Upper D. Those courses had these corresponding numbers of credit hours: 5, 4, 3, 3,

The augmented matrix is in row-echelon form. Assume that the variables are \( x \) and \( y \) and use back substitution to obtain the solution of the associate

Select "Proportional" or "Not Proportional" to correctly classify the pair of ratios.[tex]\[ \begin{tabular}{|l|c|c|} \hline & \text{Proportional} & \te

What are the solvents and solutes of shampoo

Why are California's mountain s and valleys generally parallel to the cost

help 1+2+3+4+5...98+99+100

What was the significance of Harlem? A. Harlem did not welcome African American writers or musicians B. Harlem was an area largely dominated by wealthy white Am

What is primary succession?

Which of the following statements apply to the Old Kingdom? Choose all answers that are correct. A. Ramses II builds the Temple at Karnuk. B. The pyramids at Gi

Find a number that is 15 more than 4 times its opposite

What is the inverse of the function f(x) = x – 12?

how many days in 50 years

Why was the Great Migration such an important part of the Progressive Era? It showed the shift from an agricultural based-economy into an industrial- based econ