$2x+4y=22 \\
2x-2y=-8 \ \ \ |\times (-1) \\ \\
2x+4y=22 \\
\underline{-2x+2y=8} \\
2x-2x+4y+2y=22+8 \\
6y=30 \ \ \ |\div 6 \\
y=5 \\ \\
2x-2y=-8 \\
2x-2 \times 5=-8 \\
2x-10=-8 \ \ \ |+10 \\
2x=2 \ \ \ |\div 2 \\
x=1 \\ \\
\boxed{(x,y)=(1,5)}$

5 0

3 years ago

Sam is making a histogram of the height in inches of all 250 students in his grade. The shortest person is 48 inches and the tal

vodka [1.7K]

A safe bet would be to go from 0-70 with increments of 2.

4 0

4 years ago

1/2 <img src="https://tex.z-dn.net/?f=%5Csqrt%20%7B128%7D" id="TexFormula1" title="\sqrt {128}" alt="\sqrt {128}" align="absmidd

3241004551 [841]

Answer:

$4\sqrt{2}$ or about 5.66

Step-by-step explanation:

$\frac{1}{2} *\sqrt{128} =\\0.5*8\sqrt{2} =\\4\sqrt{2} \\or\\5.66$

4 0

4 years ago

Read 2 more answers

Is $31.93 (tip already added) too much to pay for dinner at a restaurant for 1 person?

Nataliya [291]

No, not really, restaurants keep getting expensive every year.

7 0

3 years ago