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Murrr4er [49]
3 years ago
6

The difference of the square of a number and the number is 210. Find the number.

Mathematics
1 answer:
Alinara [238K]3 years ago
8 0
A graphing calculator can help find the number(s) that meet this requirement.

The number could be 15, or -14.

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IrinaVladis [17]
It is d

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3 0
2 years ago
What is 12.5% written as a fraction in simplest form
Helga [31]
12.5% goes to .125
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\frac{1}{8}
7 0
3 years ago
Read 2 more answers
Worth 30 points. i really need help.
omeli [17]

Answer: a) w = -26, -2

b) x = -4,  -1

c) k = 17, -1

d) z = 65, 935

Multiple choice: D)

Step-by-step explanation:

a) (w+26)(w+2) = 0

w = -26, w = -2

b) (x+4)(x+1) = 0

x = -4, x = -1

c) (k-17)(k+1) = 0

k = 17, k = -1

d) (z-65)(z-935) = 0

z = 65, x z 935

Multiple Choice

D)

Multiply all terms by 2.

<h2><u><em>PLEASE MARK AS BRAINLIEST!</em></u></h2>
5 0
2 years ago
Factorise fully the following:<br> a) x² + 3x<br> b) 2x? - 8x<br> c) 6x + 9x<br> d) 12x - 4x?
Talja [164]

Answer:

a) x(x+3)

b) 2x(x-8)

c) 3x(2+3x^{2})

d) 4x^{2} (3x-1)

Step-by-step explanation:

a) x^{2} +3x=x(x+3)

b) 2x^{2} -8x=2x(x-8)

c) 6x+9x^{3} =3x(2+3x^{2})

d) 12x^{3} -4x^{2} =4x^{2} (3x-1)

6 0
3 years ago
Each month for seven months Samuel mows 3 lawns . How many more lawns does he need to mow before he has mowed 29 lawns
defon

Answer:

He needs to mow 8 more lawns

Step-by-step explanation:

3 lawns/ month * 7 months = 21 lawns

29 lawns - 21 lawns = 8

He needs to mow 8 more lawns



3 0
3 years ago
Read 2 more answers
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