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Blizzard [7]
3 years ago
13

How to factorise 5x-30

Mathematics
1 answer:
liq [111]3 years ago
8 0

Answer:

5(x+6)

Step-by-step explanation:

hope this is helpful

factorise an expression, we need to take out any factors that are common to each term. The process is the opposite of expanding brackets. To make sure an expression is fully factorised, we need to identify its highest common factor (HCF), ie the biggest number/letter that each term can be divided by.

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Jamal earns $40 washing 5 windows. At this rate, how many windows did Jamal wash to earn $80?​
Alja [10]
10 windows : divide 40/5=8
Then divide 80/8 =10
3 0
2 years ago
Read 2 more answers
The straight line P has the equation y= 2x-5
Sunny_sXe [5.5K]

Answer:

y=−x/2+2.

Step-by-step explanation:

The equation of the line in the slope-intercept form is y=2x−5.

The slope of the perpendicular line is negative inverse: m=−12.

So, the equation of the perpendicular line is y=−x/2+a.

To find a, we use the fact that the line should pass through the given point: 3=(−12)⋅(−2)+a.

Thus, a=2.

Therefore, the equation of the line is y=−x/2+2.

4 0
3 years ago
A conference room is in the shape of a rectangle. Its floor has a length of (x − 4) meters and a width of (3x − 1) meters. The e
Naddik [55]

Answer:

3x^2−13x+4

Step-by-step explanation:

(x−4)(3x−1)

=(x+−4)(3x+−1)

=(x)(3x)+(x)(−1)+(−4)(3x)+(−4)(−1)

=3x^2−x−12x+4

=3x^2−13x+4

7 0
3 years ago
Read 2 more answers
The perimeter of the base of a right square pyramid is 48 cm. The height of the pyramid is 12 cm. What is the volume of the pyra
devlian [24]
Its 576  if you multiply 48 and 12 you get 576
4 0
3 years ago
One angle of a triangle is 50 degrees greater than the smallest​ angle, and the third angle is 10 degrees less than twice the sm
tia_tia [17]
All 3 angles of a triangle must equal to 180. You can simply set up an equation to solve this and set it equal to 180.

Angle 1 - 50 + x
Angle 2 - x
Angle 3 - 2x -10

50+x+x+2x-10=180
4x+40=180
4x=140
x=35

Angle 1 = 50+35= 85
Angle 2 = 35
Angle 3 = 2(35) - 10 = 60

60+35+85=180

6 0
3 years ago
Read 2 more answers
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