If a quadratic equation has solutions and , then we can write it as
So, in your case, we have (let me write 1.5 as 3/2 and -0.25 as -1/4)
If we don't want decimal coefficient, we can multiply the whole expression by 8:
Answer:
D. $9.50
Step-by-step explanation:
If you take the $155 and subtract the $15 per lawn mowed you get $95. If then you add up the total hours he spent mowing (10) and divide the $155 by the 10 you end up with $9.50 for each hour he spent mowing.
Answer:
July has the highest attendance.
Step-by-step explanation:
The attendances are expressed in scientific notation where the second term, 10^x, means 10 to the xth power. For example 10^1 = 10, 10^2 = 10*10 = 100 and so on.
Looking at the table, July's attendance has the highest power, 10^6 while other months only have 10^5. So July has the highest attendance.
Answer:
40°, 60° and 80°
Step-by-step explanation:
sum the parts of the ratio, 2 + 3 + 4 = 9 parts
Divide 180° ( sum of angles in a triangle) by 9 to find the value of one part of the ratio.
180° ÷ 9 = 20° ← value of 1 part of the ratio , then
2 parts = 2 × 20° = 40°
3 parts = 3 × 20° = 60°
4 parts = 4 × 20° = 80°
The angles in the triangle are 40°, 60°, 80°
Answer:
2x + 12
Explanation:
10x - 8x = 2x, 2 + 10 = 12, so the simplified answer is 2x + 12