3x+5=20
x=5
Convert 1,200,000 to scientific notation
1.2 x 106
Triangles are similar:
Triangle 1 sides: 5, 7, 9
Triangle 2 sides: 10, x, 18
x=14
Do the following have one, none, or infinite solutions?
y=4x−7
4x−y=7
Infinite. They are the same equation written differently
What subject did Ms. H teach in Mongolia
English
3x+4=x+10
x=3
Convert 3.6x10-7 to standard form
0.00000036
Two triangles are similar. The ratio of their sides is 3:5.
If the smaller triangle has a side length of 9, what is the corresponding side in the larger triangle?
15
Solve each system and determine what kind of solution it has.
y=3x+2
y=3x+2
One solution. 0=0
What is Mrs. Pritchard's first degree in
Sports Medicine
4x+6=2x−10
x=-8
Combine: (2×103)(3×104)
6x107
Triangles ABC and DEF are similar.
AB = 4, BC = 6, AC = 8
DE = 6, EF = ?, DF = 12
EF=9
What kind of solution do these equations have? (none, infinite, or one)
y=2x−1 and y=2x+3
No solution (parallel lines)
How many states has Mrs. Simmons lived in?
7x−3=3x+9
x=3
Which is bigger 3.5x10-3 or 3.6x10-4
3.5x10-3
A tree casts a shadow of 15 feet. At the same time, a 6-foot-tall student casts a shadow of 10 feet.
How tall is the tree?
9 feet
The sum of two numbers is 20. Their difference is 4.
12 and 8
How many siblings does Coach Gregory have?
none
3(x−2)+4=2x+10
x=12
The distance from Earth to the Sun is about 1.5×108 km.
How many kilometers is that in standard form?
150,000,000 km
Triangles ABC and DEF are similar.
AB = 9, BC = 12, AC = 15
DE = 6, EF = 8, DF = x
Find x
DF=10
A movie theater sold 30 tickets for a total of $210.
Adult tickets cost $10, and student tickets cost $5.
Adult: 12
Student: 18
What event did Ms. Simpson sneak into?
The CMAs (Country Music Awards)