3 years ago

5x(x-3)=(x-2)(5x-1)-5??

1 answer:

6 0

5x(x-3) = (x-2)(5x - 1) - 5
5x^2 - 15x = 5x^2 - x - 10x + 2 - 5
5x^2 - 15x = 5x^2 - 11x - 3
5x^2 - 11x - 3 - 5x^2 + 15x = 0
4x - 3 = 0
4x = 3
x = 3/4 or 0.75

You might be interested in

The perimeter of a pentagon is 48. One side is equal to x, two sides are twice x and two sides are three more than x. What are t

DochEvi [55]

Answer:

side lengths are 6, 12, 12, 9, 9

Step-by-step explanation:

The perimeter is the sum of the lengths of the sides:

x + 2x + 2x + (x+3) + (x+3) = 48

7x +6 = 48 . . . . collect terms

7x = 42 . . . . . . .subtract 6

x = 6 . . . . . . . . . divide by 7

Substitute this value into the expressions for the side lengths:

x = 6

2x = 12

x+3 = 9

The side lengths are 6, 12, 12, 9, 9.

4 0

4 years ago

<img src="https://tex.z-dn.net/?f=4%20%2B%20y%20%3D%209.5" id="TexFormula1" title="4 + y = 9.5" alt="4 + y = 9.5" align="absmidd

s2008m [1.1K]

4 + y = 9.5

subtract 4 from both sides :

4 + y - 4 = 9.5 - 4

y = 5.5

8 0

3 years ago

How would you write an equation for a non proportional table????

Bad White [126]

Answer:

i need the table

Step-by-step explanation:

But usually it has something to do with an exponent

8 0

4 years ago

The price of a gallon of unleaded gas has risen to

yuradex [85]

2.1052631578947385% increase. You can use this helpful tool for any percentage problems in the future!

https://percentagecalculator.net/

3 0

3 years ago

The points P, Q, R and S all lie on the same line segment, in that order, such that the ratio of PQ : QR: RS is equal to 4:2:1.

Natasha2012 [34]

Answer:

PR = 12

Step-by-step explanation:

P-----------Q-----------R----------S

ratio

4:2:1

PS = 14

add the ration = 4 + 2 + 1 = 7

14 / 7 = 2

PQ at 4 x 2 = 8

QR at 2 x 2 = 4

RS at 1 x 2 = 2

------------

PR = PQ + QR

PR = 8 + 4

PR = 12

5 0

3 years ago

Read 2 more answers