All categories

3 years ago

Simplify the following expression. 2x-5(2x-7y+3)+(-8)

2 answers:

4 0

<span>Equation at the end of step 1 :</span> (2x - 5 • (2x - 7y + 3)) + -8<span> :</span>Pulling out like terms :3.1 Pull out like factors :

-8x + 35y - 23 = -1 • (8x - 35y + 23)

Final result : -8x + 35y - 23

Paha777 [63]3 years ago

3 0

2x-5(2x-7y+3)+(-8)
multiply 5 by all in first parentheses

2x- (5*2x) - (5*-7y) - (5*3) -8

2x-10x+35y-15-8

combine like terms
= -8x+35y-23

Hope this helps! :)

You might be interested in

In a photograph, a stadium measures 7 inches across by 2 inches high. If the actual stadium measures 1000 feet across, which equ

Ivahew [28]

Answer:

x/500 = 2/8.

Step-by-step explanation:

7 0

3 years ago

If BC = 4 and CD = 27, find AC.

lys-0071 [83]

Answer is 4 because there are both length plus breadth

3 0

3 years ago

6. a) Calculate the areas of the three squares. b) Is the triangle a right triangle? Explain. 3 cm 4 cm 2 cm

viktelen [127]

Answer

The total area of the squares = 29 square cm

The triangle is not a right-angled triangle

Step-by-step explanation:

We are given three squares

The first square has a length of 4cm

The second square has a length of 3cm

The third square has a length of 2cm

Part A

Total area = Area of square 1 + Area of square 2 + Area of square 3

Area of a square = l^2

Where l is the length of the square

Area of a square 1 = 4^2

Area of a square = 16 square cm

Area of square 2 = 3^2

Area of square 2 = 9 square cm

Area of square 3 = 2^2

Area of square 3 = 4 square cm

Total area of the square = 16 + 9 + 4

The total area of the square = 29 square cm

Hence, the total square of the figure is 29 square cm

Part B

$\begin{gathered} \text{ To proof if the triangle is a right angled triangle} \\ \text{ We n}eed\text{ to appy Pythagora's theor}em \\ \text{Hypotenus}^2=perpendicular^2+base^2 \\ \text{Hypotenus = 4}cm \\ \text{Perpendicular =3cm} \\ \text{Base = 2cm} \\ 4^2=3^2+2^2 \\ 16\text{ = 9 + 4} \\ 16\text{ }\ne\text{ 13} \\ \text{ Since the hypotenus is not equal to the summation of the perpendicular and base} \\ \text{Hence, the triangle is a not right angled triangle} \end{gathered}$

6 0

1 year ago

If the perimeter of an equilateral triangle is 6√3, find its area

Natalka [10]

Answer:

3√3

Step-by-step explanation:

Side of an equilateral triangle: perimeter/3 = 2√3

Area of an equilateral triangle: side * side * √3 / 4 = 3√3

8 0

3 years ago

Read 2 more answers

A housekeeper had 3/7 of a spray bottle of a cleaning solution. Used 1/9 of the solution in a day . How much of the bottle did s

olga nikolaevna [1]

Answer:

27/7 or 3 6/7

Step-by-step explanation:

3/7 divided by 1/9 = 27/7

rounded to 3

Have a nice day

4 0

3 years ago