the student noticed that if he writes a multiplication sign between the second and third digit of number 2020 tje product 20.20 gives a perfect square . how many numbers between 2010 and 2099 (without 2020 ) have the same property​

Q: Find the sum of the first 80 positive even integers.

A: 2, 4, 6, 8, 10,....... This is an arithmetic sequence with  a1=first term=2d=common difference=4-2=2…

Q: What is the value of k to make the expression kx^2+3kx+9 a perfect square

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Q: The student noticed that if he writes a multiplication sign between the second and third digit of…

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Q: 5. (3x³ – y³ + z*)² 2

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Q: Find the largest two-digit integer that leaves the remainders 2 and 3 when divided by 5 and 7.

A: Let x be the largest two-digit number which gives the remainder 2 and 3 when divided by 5 and 7 The…

Q: 1 is subtracted from the cube of a number

A: 1 is subtracted from the cube of a number.Let the number be xSo, we have1 is subtracted from the…

Q: Can a number N, sum of whose digits is 21345, be a square of a natural number?

A: Given: a number N, sum of digit is 21345

Q: A resort plans to apportion 49 new toboggans among the four resorts based on the number of rooms in…

A: According to the given data, find the following standard divisor:

Q: A "S number" is a positive even number that is not the product of two even numbers. A "B number" is…

A: Given: S number= positive even number that is not the product of two even numbers,  B number=an…

Q: Find the missing digit in the number 1234x34780 if we know this number is a multiple of 9

A: Introduction: If the remainder is zero, a number is said to be divisible by another number.…

Q: Find the smallest integer greater than 100 that is divisible by 5, but leaves the remainders 1, 5…

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Q: There is a number 61 on a whiteboard. Every minute a number is erased and another number is written…

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Q: if x and y are the tens digit and the units digit of the product 725,278 x 67,066 what is the value…

A: x+y=12

Q: Find the sum of the first 20 positive even integers.

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Q: John found the sum of the first 2021 positive even integers and Bob found the sum of the first 2022…

A: In this question, tne concept of sum of first positive even integers is applied.

Q: Find the positive integer which leaves the remainder 2, 3, 2  when it is divided by 7, 9 and 11…

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Q: expressions. @-岩。) 3b 9. 2a 2х -3 Зх-2 4. 4x 3 6. 긁-꽃 + 13 7 X-3 2x 3x 8. 5х-20 x2-16 x2- 3x +2 3x-3…

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Q: When a whole number is multiplied by 100, where is there a 0 in the product

A: Given:Whole number is multiplied by 100,Where is there a 0 in the product

Q: if 2/3 of a number is 90 what is that number

A: Approach to solving the question:We can solve this problem by isolating the unknown variable, which…

Q: Determine the values of r for which the differential equation y" - 25y = 0 has solutions of the form…

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.