Examples for secondary school students - page 132 of 230
Number of problems found: 4597
- Progression
-12, 60, -300,1500 need the next 2 numbers of pattern - Domains of functions
F(x)=x²-7x and g(x)=5-x² The domain of (fg)(x) is. ... The domain of (f/g)(x). .. - Arithmetic 6963
The arithmetic mean of two numbers is 142. One of the numbers is 16, greater than the second. Find out both numbers. The arithmetic mean is a + b / 2 - Two resistors
Two resistors when they give 25 ohms in series and 4 ohms in parallel, what are the values of - Circle annulus
There are two concentric circles in the figure. The chord of the larger circle, 10 cm long, is tangent to the smaller circle. What does annulus have? - Equilateral triangle ABC
In the equilateral triangle ABC, K is the center of the AB side, the L point lies on one-third of the BC side near point C, and point M lies on one-third of the side of the AC side closer to point A. Find what part of the ABC triangle contains the triangl - Commission 2
Mr. Gomez sells used cell phones. His commission for every cellphone sold is 20%. If his total sales are Php 33850, how much is his commission? Please, please, please show your solution. - Shuyen
Shuyen wanted to save some money. She deposited Php.300 in a bank that pays 0.5% interest per annum. After nine months, she needed the money to buy some gifts. How much will she be able to get if he withdraws all her money from the bank? - Test scores
Jo's test scores on the first four 100-point exams are as follows: 96,90,76, and 88. If all exams are worth the same percentage, what is the minimum test score necessary on his last exam to earn an A grade in the class (90% or better)? - PIN code
The PIN on Michael's credit card is a four-digit number. Michael told his friend: • It is a prime number - a number greater than 1, which is only divisible by the number one and by itself. • The first digit is larger than the second. • The second digit is - Number 6911
On the number axis, point P is the image of the number -2.54, and point Q is the image of the number 10.71. Find which number is the point R such that Q is the center of the line PR. - Accommodated 6906
Tourists are accommodated in three hotels. There are eight more tourists in the second hotel than in the first. In the third hotel, there are 14 more than in the second. How many tourists stayed in each hotel if there were 258 in total? - Rectangle - area, perimeter
The area of a rectangular field is equal to 300 square meters. Its perimeter is equal to 70 meters. Find the length and width of this rectangle. - Imagine
Imagine that a unit of air at a temperature of 25°C rises a mountain range 3,000 meters high on the windward side and descends to 1,200 meters on the leeward side, assuming that the air will remain dry. What will its temperature be when it crosses the top - Players 6897
There are 103 players. Team A has three players less than B, team C has two more than D, and team D has the same number as B. How many players does each team have? - Fruit tea
Tea contains 7% of fruit components and 12% of sugar in this component. How many percent of sugar is represented in the whole tea? - Pieces 6890
Divide the line MN (/ MN / = 9cm) into 11 equal pieces - Barrel with water
The water barrel weighs 52 kg. When we pour a quarter of the water, the barrel’s weight is reduced to 40 kg. Determine the weight of the empty barrel. - Calculate 6885
Triangle with o = 16.8 cm and aspect ratio a:c = 1:2 and b:c = 5:6. Calculate side lengths a =? B =? c =? - Air thermal
Imagine that a unit of air rises 3000 meters high. If the temperature decreases 6 degrees Celcius for every 1000 meters, what will be its temperature at 1400 meters, 2000 meters, 2500 meters, and when it reaches the 3000-meter elevation? The starting temp
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