Solve for X.
9x + 3 = 21
X=2
9(2) + 3 = 21
18 + 3 = 21
Add these fractions.
2/5 + 6/8 = ?
2/5 + 6/8 = 46/40 or 1 3/20
2/5 x 8/8 = 16/40
6/8 x 5/5 = 30/40
Add these decimals
3.405 + 0.02 = ?
? = 3.425
Fabric is sold for $5.99/ yard.
You need 12 yards and 1 foot.
What is your total before taxes?
1 yard= 3 ft
Your total is $77.87
$5.99 x 13 = $77.87
Write 10^4 in standard form.
10^4 = 10000
Solve for X.
5x - 2 = 8
5(2) - 2 = 8
10 - 2 = 8
Subtract these fractions.
18/40 - 2/5 = ?
18/40 - 2/5= 2/40 or 1/20
2/5 x 8/8 = 16/40
18/40 - 16/40 = 2/40
What is 5/10 as a decimal?
5/10 = 0.5
1 foot = 12inches
72 inches = 6ft
72 / 12 = 6
The Sun's core temperature reaches close close to 2.7 x 10^7 degrees Fahrenheit. How is this written in scientific notation?
2.7 x 10^7 = 27,000,000 degrees Fahrenheit
Solve for X.
3x - 4 = 7x + 8
X= -3
3(-3) - 4 = 7(-3) + 8
-9 - 4 = -21 + 8
-13 = -13
Multiply these fractions.
5/8 x 9/15= ?
5/8 x 9/15= 45/120 or 3/8
What is 7/8 as a percent?
7/8 = 87.5%
Convert 8 yards into inches.
1 foot = 12 inches
1 yard = 3 feet
8 yards = 288 inches
8 x 3 x 12 = 288
Write 321,000 in scientific notation.
321,000 = 3.21 x 10^5
Solve for X.
3x - 2(-2x + 7) = -7
3(1) - 2(-2(1) + 7) = -7
3 - 10 = -7
Divide these fractions.
6/9 / 7/8 = ?
6/9 / 7/8 = 48/63
6/9 x 8/7 = 48/63
Turn 3.476 into a percent.
3.476 = 347.6%
Convert 105 lb to kg.
1kg = 2.2046
105lb = 47.627 kg or 47.63
105/2.2046 = 47.627
Write 64,960,000,000 in scientific notation.
64,960,000,000 = 6.496 x 10^10
2 (x + 2) - 5 = 3(x + 1)
X= -4
2 (-4 + 2) - 5 = 3(-4 + 1)
-4-5 = -12 + 3
-9 = -9
Divide these fractions.
2 3/5 / 1 1/13 =?
2 3/5 / 2 5/20 = 675/100 or 6 3/4
15/5 x 45/20 = 675/ 100
Turn 790.75% into a decimal.
790.75% = 7.9075
Convert 1 yard to centimeters.
1 yard = 3 feet
1 foot = 12 inches
1 inch = 2.54 cm
1 yard = 91.44cm
1 x 36in x 2.54cm = 91.44cm
Write 3.06 x 10^-6 in standard form.
3.06 x 10^-6 = 0.00000306