The sum of two numbers is 15. One of the numbers is twice the second number minus 9. What is the smaller of the two numbers?

Q: -8+2t 4

A: Question is based on linear equations solving.

Q: -9=x-4

A: -9 + 9 = x - 4 + 9

Q: 3 divided by 4x to the negative 4th power

A: 3 divided by 4x to the negative 4th power. This question can be interpreted in three ways as shown…

Q: 7. Find f(x) dr 2. O C

A: Known fact: ∫ab fx dx=-∫ba fx dx

Q: b- 4b+4 0

A:

Q: -14W=-28

A: The given equation is,

Q: - 1/2x - 3 = - 9

A: SOLUTION-

Q: / x+1 times 5+5x/18-

A:

Q: -2d+1=9

A:

Q: The temperature was falling 3 degrees every hour. How many degrees had the temperature dropped after…

A: In 1 hour it drops 3 degrees  So, in 8 hours it drops (3x8)=24 degrees

Q: negative numbers

A: Product of two negative number is a positive number. A positive number is always greater than a…

Q: 125=252h+1

A: GIVEN: The equation125=252h+1 CALCULATION: We have to find the value of h. The given can be written…

Q: Find A. 0 2 (2A)-1 = BB A =

A:

Q: -3+9x=12

A:

Q: -37+z= -54

A: -37+z= -54 We have to add 37 to both sides-37+37+z= -54 +37

Q: The difference of 7 and a number squared

A:

Q: Find a4 when a1 = 3 and r = - 2

A:

Q: Find three consecutive odd numbers whose sum is 69.

A:

Q: -8=-4+v

A: The given equation is,

Q: 1+2345=

A: Here,                  1+2345    0001+23452346

Q: Norman knows that his first four test grades were 9191, 8989, 8787, and 7373. Use the formula…

A: Given data Norman knows that his first four test grades were 91,89,87,73 And given test average is…

Q: On the first page, why does the -3 in the last column go from negative to positive?

A: Here, in the given problem, we need to show that B is a basis of ℙ3[x]. In order to do so, we form…

Q: -40 = -4x X= ?

A: Given equation  -40=-4x Clearly it is a linear equation. Dividing both side by -4 we get…

Q: ex² =e-5x-4

A: Given equation is ex2 = e-5x-4

Q: 3=-6+r

A:

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.