MATHEMATICS HIGH SCHOOL

Consider the linear expression 4x - 11The coefficient in this expression is ....... and the constant term is......

Answers

Answer 1
Answer:

Answer:

4 will be the coefficient

while X will be the variable

and the constant term is 11.

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The following table shows the length and width of two rectangles:Length Width
Rectangle A 3x + 2 2x - 1
Rectangle B x + 5 5x - 1


Which expression is the result of the perimeter of rectangle B minus the perimeter of rectangle A?
2x + 2
2x + 6
22x + 14
22x + 18

Answers

The perimeter of a rectangle is equal to two times the sum of the length and the width.
P=2(l+w)

Rectangle A:
l=3x+2 \n w=2x-1 \n \nP_A=2(3x+2+2x-1)=2(5x+1)=10x+2

Rectangle B:
l=x+5 \n w=5x-1 \n \nP_B=2(x+5+5x-1)=2(6x+4)=12x+8

The perimeter of rectangle B minus the perimeter of rectangle A:
P_B - P_A=12x+8-(10x+2)=12x+8-10x-2=\boxed{2x+6}

Answer:

2x+6

Step-by-step explanation:

took the test

Please Help me please

Answers

It would be the bottom answer assuming the lines are parallel

Express "a number x plus the square root of a number y" as an algebraic expression

Answers

Answer:

x + √y

Step-by-step explanation:

A number x plus the square root of a number y

There are two variables involved

Variable x

Variable y

Plus means addition

Square root of y can be written as

√y

A number x plus the square root of a number y can be written as

x + √y in algebraic expression

The answer is x + √y

What is the solution to the system of linear equations?4x + 6y = 20
-5x + 7y = 62

Fill in the blanks with your x and y coordinates

( ________, _________)

Answers

To find the solution to the system of linear equations:

4x + 6y = 20

-5x + 7y = 62

We can use the method of substitution or elimination to solve for x and y. Let's use the elimination method:

1. Multiply the first equation by 5 and the second equation by 4 to eliminate the x variable:

20x + 30y = 100

-20x + 28y = 248

2. Add the two equations together:

(20x - 20x) + (30y + 28y) = 100 + 248

58y = 348

3. Divide both sides of the equation by 58:

y = 6

4. Substitute the value of y back into either of the original equations. Let's use the first equation:

4x + 6(6) = 20

4x + 36 = 20

4x = 20 - 36

4x = -16

x = -4

Therefore, the solution to the system of linear equations is:

(x, y) = (-4, 6)

Differentiate each function. Do not expand an expression before differentiating. a)f(x)=(2x+3)^4

Answers

f'(x)= 4 (2x+3)^3 times 2 = 8 (2x+3)^3 .

Which word describes a triangle with three angles, if each angle measures less than 90°?

Answers

Answer:

acute triangle

Step-by-step explanation:

A triangle with all angles less than 90 degrees has all angles that are acute.

Acute angles are less than 90 degrees
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