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KIM [24]
3 years ago
14

4 times a number is 5 less than the square of that number

Mathematics
2 answers:
Tpy6a [65]3 years ago
4 0

Answer: The values were x = 5, and x = -1, with one positive root and one negative root. The negative solution of the two solutions is <u><em>-1.</em></u>

Alekssandra [29.7K]3 years ago
3 0

Answer:

4x=x²-5

Step-by-step explanation:

4 times a number=4x

square of that number=x²

is 5 less=-5

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The table shows ages of cindy and her dad. Dad 28 years old cindy 2 years old. Dad 36 years old, cindy 10 years old. Dads ? Cind
Slav-nsk [51]
Find out how old her dad was when Cindy was born by subtracting 2 from 28. Her dad was 26 when she was born. If Cindy is 18 then her dad is 26 years older than that. 18+26=dads age. Dads age is 44.
7 0
4 years ago
Read 2 more answers
Which is a factor of x2 + 8x – 48? (x – 6) (x + 4) (x – 16) (x + 12)
MaRussiya [10]

Answer:

(x+12)

Step-by-step explanation:

The middle number is 8 and the last number is -48.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get 8

Multiply together to get -48

Can you think of the two numbers?

Try -4 and 12:

-4+12 = 8

-4*12 = -48

Fill in the blanks in

(x+_)(x+_)

with -4 and 12 to get...

(x-4)(x+12)

But, since (x-4) isn't an option, the answer would be (x+12)

8 0
3 years ago
Read 2 more answers
Can you please help
ololo11 [35]

Answer:

1/12 inches

If it is Reduced could be 1/6
7 - 6 = 1

So it’s 1

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Put the equation y =x^2-8x + 12 into the form y(x-h)^2+k<br> Answer: y =
zlopas [31]

Answer:

<em>y = (x - 4)² - 4 </em>

Step-by-step explanation:

y = x² - 8x + 12

y = ( x² - 2(4)x + 4² ) - 4² + 12

<em>y = (x - 4)² - 4</em>

7 0
3 years ago
PLEASEEEE ANSWER ASAP!!!!
Reil [10]

Refer to the attached image.

Let the width of the border be 'x' inch.

Area of border = Area of rectangle ABCD - Area of rectangle PQRS

Area of rectangle ABCD = length \times width

= AB \times BC

= (13+2x) \times (9+2x) square units.

Area of rectangle PQRS = PQ \times RQ

= 13 \times 9

= 117 square units.

So, area of border = (13+2x)(9+2x)-117 = 48

As it is given that the area of border is 48 square units.

So, 117+26x+18x+4x^2-117 = 48

44x + 4x^2-48=0

4x^2 + 44x = 48

So, the complete equation is 4x^2 + 44x = 48.

Now, we will find 'x' in the equation x^2+11x-12=0,

x^2 + 12x - x -12 =0

x(x+12)-1(x+12)=0

(x-1) (x+12)=0

So, x = 1 or x = -12

Width can'not be negative.

So, x = 1 .

Therefore, the width of the border can'not be 2.5 inch.

Therefore, the width of the border is 1 inch.

5 0
3 years ago
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