Grade - math word problems - page 705 of 950

Number of problems found: 18985

Dimensions 5143
Mr. Winter is building a fence from perforated brick elements in the shape of a cuboid with dimensions of 15 cm, 15 cm, and 20 cm. the fence will be 15 cm wide, 150 cm high, and 10 m long. The mortar space will occupy 0.25 m³. How many brick elements does
Inner angles
The inner angles of the triangle are 30°, 45°, and 105° and its longest side is 10 cm. Calculate the shortest side length, and write the result in cm up to two decimal places.
Regular n-gon
In a regular n-angle polygon, the internal angle is 144 degrees. Find the number n indicating the number of sides of this polygon.
Equilateral 5140
I have a circle with a diameter of 6.4 cm. I need to find out the length of the side of an equilateral triangle inscribed in a circle.
Pins 2
How many different possible four-digit pins can be found on the 10-digit keypad?
Second-order 5138
What is the rank of a second-order square matrix if we can say that this matrix is regular?
The determinant
The determinant of the unit matrix equals 7. Check how many rows the A matrix contains.
Maintaining 5136
Petr succumbed to a bank's tempting offer, opened an account, and deposited CZK 1,051 into it. The account bore interest at 1.4%, credited once a year. The fee for maintaining this account was only CZK 140 per year. After seven years, he enjoyed how his d
Deposited 5135
It was 1975, and Petr deposited the entire cash of 10,900.40 Euros in a savings account with 4% interest, credited monthly. He did not add anything to the book, and in exactly 15 years, he withdrew the entire amount in cash. How much did you choose?
Gloves
Petra has ten pairs of gloves in the closet. Six pairs are blue, and four pairs are yellow. At least when she pulls them out in the dark and wants to have one complete one-color pair, how many pieces of gloves need to be pulled out?
Photocopier
A photocopier enlarges a picture in the ratio of 7:4. How many times will a picture of size 6cm by 4cm be enlarged to fit on a 30cm by 20 cm page?
A map
A map of size 60cm by 25cm is reduced in the ratio of 3:5 twice. What are the new dimensions?
Bean bag
A student tossed a bean bag. It landed 216 inches away. How many yards are equal to 216 inches?
Quadrilateral 5130
There is a regular quadrilateral pyramid with the base edge length a = 3 cm and with the length of the side edge h = 8 cm. Please calculate its surface area and volume.
Circular 5129
When the runner goes around the circular stadium five times, he runs 157 km. What area does the stadium occupy?
Seedlings 5128
The gardener had 458 seedlings. He planted them in three rows of the same number of seedlings. How many seedlings were on each board? Is he left with any seedlings?
Seedlings 5127
The gardener had 158 seedlings. He planted them in three rows of the same number of seedlings. How many seedlings were on each board? Is he left with any seedlings?
Sequence 11
What is the nth term of this sequence 1, 1/2, 1/3, 1/4, 1/5 ...?
Arithmetic progression
In some arithmetic progression applies: 5a2 + 7a5 = 90 s3 = 12 Find the first member a =? and difference d =.
Cuboid
Cuboid has a surface of 516 cm². Side a = 6 cm and b = 12 cm. How long is the side c =?

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