Solve Equations
x\div11-7=70
x=847
9999^0\times 1^9999\times 9999^1\times 0^9999
9999^0\times 1^9999\times 9999^1\times 0^9999
=1\times 1\times 9999\times 0
=0
True or false? If a whole number is not prime, then it must be composite.
False! ex. 1
3\frac{2}{3}\div 6\frac{7}{8}
3\frac{2}{3}\div 6\frac{7}{8}
= \frac{11}{3}\div\frac{55}{8}
= \frac{11}{3}\times \frac{8}{55}
=\frac{8}{15}
5/8 x+4=8
x=6\frac2 5
(4y^4)^4
(4y^4)^4=256y^16
Is 777,777,777 prime or composite? Explain!
composite! 3|777,777,777
Evaluate.
(1\frac2 9)^3
(1\frac2 9)^3
=(\frac{11}{9})^3
=(\frac{1331}{729})
=1\frac{602}{729}
I have two dogs, one of which is 37 pounds heavier than the other. If the two dogs together weigh 119lbs, how much does the lighter one weigh?
x+(x+37)=119
x=41
41 lbs.
100-(100x-x)
100-99x
Composite! 121=7*23
John spent \frac2 5 of his paycheck on a video game, and \frac{1}{3} of the remaining money on snacks. If he had $34 left, how much did he have to begin with?
$85
16-2x=1\frac{1}{2}x+9
16-2x=1\frac{1}{2}x+9
16=3\frac{1}{2}x+9
7=3\frac{1}{2}x
2=x
9999^2+9999
9999^2+9999
=9999(9999+1)
=9999(10000)
=99,990,000
Evaluate.
\sqrt 1936
\sqrt 1936 =44
Solve.
12/51=x/170
12/51=4/17=40/170
x=40
Write & solve an equation.
I am now three years younger than twice what my age was six years ago. How old am I now?
Let x= my age now.
x=2(x-6)-3
x=15
(1/3x)^2+1/3x^2
=1/9x^2+1/3x^2
=1/9x^2+3/9x^2
=4/9x^2
Find the GCF & LCM of 1134 and 1215
GCF(1134, 1215) = 81
LCM(1134, 1215) = 17,010
Mr. Ramirez had $600. He saved 3/5 and spent 3/8 of the remainder. How much did he spend?
$90