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Dovator [93]
2 years ago
13

Factorise the following 5x^2+15x

Mathematics
1 answer:
ASHA 777 [7]2 years ago
6 0

\tt \:  {5x}^{2}  + 15x

Factor out 5x from the expression

\tt \: 5x(x + 3)

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Right answer = gets brainliest
goldfiish [28.3K]

Answer:

4.   12c(3a^5b - 1)

Step-by-step explanation:

Greatest common factor of 36 and 12: 12

There are variables a^5b on left term but not on right term, so there is no common factor of a or b.

Greatest common factor of c and c: c

Common factor: 12c

36a^5bc / 12c = 3a^5b

-12c / 12c = -1

Answer: 36a^5bc - 12c = 12c(3a^5b - 1)

5 0
3 years ago
A sphere's radius is multiplied by 3. How is its surface area affected?
Montano1993 [528]

Answer:

Step-by-step explanation:

For all shapes, the surface area will go up by a factor of 9 (3^2). This is true of spheres, cones, cubes, pyramids, torusses, everything.

The surface area of any body is proportional to the square of any linear dimension. Triple a linear dimension and you get a 9 fold increase in surface area. This is as true for pretzels as it is for spheres and cubes.

4 0
3 years ago
]What is the third quartile (Q3) of the data set? 157, 77, 97, 97, 144, 136, 132, 152, 72 A. 157 B. 148 C. 132 D. 87
IrinaK [193]
The answer two your question is  B. 148 
5 0
3 years ago
Read 2 more answers
To solve the system of equations below, Maria isolated the variable y in the first equation and then substituted it into the sec
Evgen [1.6K]
Y = 4x
The answer is D
7 0
4 years ago
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If a number is tripled , it give same result as 28 is added to it find the number
DiKsa [7]

Given :

If a number is tripled , it give same result as 28 is added to.

To Find :

We need to find that number.

Solution :

Let, the number is x.

Mathematical equation of the given scenario is :

3x = x + 28

3x - x - 28 = 0

2x - 28 = 0

x = 14

Therefore, the which give such result is 14.

5 0
3 years ago
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