equation
X=19.5
27
128
5.2*103 into standard form
5200
2v+2b+3v+6b
5v+8b
5 hockey pucks and 3 hockey stick costs $23. 5 hockey pucks and 1 hockey stick cost $20. How much does one hockey puck cost?
$3.50 for one hockey puck.
15(2x+3)=78
x=1.07
89/83
86
turn 2190000 into scientific notation
2.19*106
2x+(-3x)=-x
X=5
A magazine ad states that 4 out of 7 doctors recommend flash toothpaste. if 1400 doctors were surveyed, how many doctors recommended flash toothpaste?
800 doctors.
2x+17+6x+9=4x-1+4x-1
x=6
(i)5-4(ii)(-7)-2
1/49
8.72*10-3
0.00872
2z-3x+5z+3y+6x-4y
7z-3x-1y
write an equation for the following question. Four times the number of coins in my pocket plus 5 more is 29.
4n+5=29
3(x+5)(x+4)(x+2)=4(x+3)+(x+1)
19=x
75/76
7-1
.00000082 int scientific notation
8.2*10-7
-3y+4xy-2x2+2x+y2-4xy+2y+3x2
-1y+0xy+1x2
Jasmine has 50 marbles in a bag. 20% of the marbles were blue.how many marbles are blue?
10 of the marbles are blue.
5(12x)=3(x+7)+(x+10)+(6x+9)
x=2.1
16a3b-5/4a-1b2
4a4/b7
1.88*106/2.0*103
3.76*109
23x2y-2xy/5+4x2y-8xy/5
7x2y
The tables at the party are shaped like the hexagon. if you put the tables together, how many would you need for 50 people?
12 tables