Answer:
x = 13.
Step-by-step explanation:
Because it is an isosceles trapezoid the 2 marked angles are equal, so
5x + 15 = 7x - 11
15 + 11 = 7x - 5x
2x = 26
x = 13.
Answer:
6. 19 candles
7. 6 pills
Step-by-step explanation:
6. If a particular candle burns for 2 3/4 hours (=2.75) and you want to use similar candles to burn one at a time over 10 days for 5 hours each day, find the total number of hours: 10 x 5 = 50 hours. Then, divide by the amount of time it takes for one candle to burn: 10÷2.75 = 18.18. Since the answer is a decimal, you will need to round to the next whole number = 19 candles.
7. Given the rules that no more than three pills may be taken in a four-hour period and each pill must be taken 1 1/2 hours (=1.5) apart, you can take the total number of hours (10) and divide by the time between each pill (1.5):
10 ÷ 1.5 = 6.7
Since you won't take part of a pill, the most you can take is 6 and because the intervals are 1.5 hours, 1.5 + 1.5 + 1.5 = 4.5, you will not have taken more than 3 in any four hour period.
Answer:
4/9
Step-by-step explanation:
Notice the repeating symbol on top of the 0.4, so instead of 4/10, it would be 0.44444, which is 4/9 if you turn it into a fraction.
before the raise you were earning 100% of "x", we also know that 6% of "x" is 312, since that is what you've got in the raise, therefore
The answer is 102
3x+2x+50=180
5x+50=180
5x+50-50=180-50
5x=130
5x/5=130/5
X=26
2(26)+50=102
