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Crazy boy [7]
2 years ago
12

The square of a number is 3 less than four times the number. which values could be the number?​

Mathematics
2 answers:
V125BC [204]2 years ago
8 0

Answer:

let the number be x.

Step-by-step explanation:

According to the above given question,

x² = 4x-3

or, x² - 4x +3 = 0

or, x² - 3x- x +3 = 0

or, x(x-3) - 1(x-3) = 0

or, (x-3)(x-1) = 0

Either,

(x-3) = 0

or, x = 3

Or,

( x-1 ) = 0

or, x = 1

the number could be 3 or 1

Lina20 [59]2 years ago
5 0

Answer:

x could be 3 or 1

Step-by-step explanation:

x²+3=4x

x²-4x+3=0

(x-3)(x-1)

x could be 3 or 1

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1 is the only number that's neither prime nor composite-right?
irina [24]

Answer:

No

Step-by-step explanation:

1 is a prime number

0 is the only number that is neither prime or composite

4 0
3 years ago
The length of a rectangle field if 7/5 of its width. if the perimeter of the field is 240 meters, what are the length and width
trasher [3.6K]
Perimeter of any figure is all its sides summed up

for a rectangle, with two equal pairs, that means, length + length + width + width or   2length + 2width, or  2(length + width)

but we know the length is 7/5 the width

width = w
perimeter = P


\bf P=2\left(\frac{7}{5}w +w \right)\qquad P=240\implies 240=2\left(\frac{7}{5}w +w \right)
\\\\\\
120=\frac{7}{5}w +w\impliedby \textit{let's multiply both sides by 5}
\\\\\\
600=7w+5w\implies 600=12w\implies \cfrac{600}{12}=w

and the length is 7/5 of that
7 0
3 years ago
What is the slope-intercept form of 8x - y - 6 = 0?
Liula [17]
The slope intercept form is Y=mx + b
 8x - y - 6=0
<u>-8x          -8x
</u>-y= -6+8x = 0
     <u>+6        +6
</u>-y = 8x + 6
<u>
I hope you understand.

</u>
4 0
2 years ago
Read 2 more answers
100 POINTS!!!!! WILL GIVE BRAINLIEST!!!!!!! <br> Show that: (a + bi)^2 = (a + b)(a − b) + 2abi
inna [77]

Step-by-step explanation:

(a+bi)2

=a2 +2abi +b2i2

=a2 +2abi + b2. (-1)

=a2 -b2 +2abi

Answer = (a+b(a-b) +2abi

8 0
2 years ago
Does anyone know what 0.4 divided by 2.4 is? I think it’s 0.6 or 6 not for sure tho!
ipn [44]

Answer:

0.16 I think............

4 0
2 years ago
Read 2 more answers
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