سلام
اگه دوستان وقت داشته باشن :
triangle RST is isosceles and angle RST=40
the sum of the measures of the two angles of triangle RST that have equal measure - A
120- B
p and q are different prime numbers. r is the least prime number greater than p, and s is the least prime number greater than q
A- r-p
B- s-q
n is an even inteeger and a multiple of 3
A- the remainder when n is divided by 12
B- 6
در سه سوال بالا چرا جواب D هست؟ منطق توضيحي اش رو چگونه توصيف ميشه؟
the greatest number of diagonals that can be drown from one vertex of a regular 6- sided polygon is:
جواب 3 هست ولي براي چندضلعي هاي بالاتر ( مثل 20 تايي) يه فرمولي داشت اين كه من فراموش كردم.
- براي تشخيص اينكه كدوم كسر بزرگتره چه راه حل يا فرمولي داريم مثلا 28/27 با 81/74. يا... ميشه اينجوري حساب كرد كه 27*81 يا 28*74 ؟
همينطور كدام عبارت تواني؟ مثلا 4power5 يا 6power3 يا مثلا 8power0.5 يا 7power0.88
for all rael numbers a. let apower*=1-a
A-((-1)power*)power* and B- 2power* the correct answer
C
?
pat invested a total of $3000. Part of the money yields 10 percent interest per year, and the rest yiels 8 percent interest per year. if the total yearly interest from this investment is $256, how much did Pat invest at 10 percent and how much at 8 percent?
اگر چه يه دستگاه دو معادله دومجهوا بايد باشه ولي جوابهاي من نميخوند.
جواب:$800 at 10 percent
2200 at 8 percent
two cars started from the same point and traveled on the straight course in opposite directions for exactly 2 h, at which time they were 208 miles apart, if one car traveld, on average, 8 miles per hour faster than the other car, what was the average speed for each car for the 2 h trip?
a group can charter a particular aircraft at a fixed total cost, If 36 people charter the aircraft rather 40 people, then the cost per person is greater by $12, what is the cost per person if 40 people charter the aircraft?
از جوابهايتان پيشاپيش ممنون هستم
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