All categories

4 years ago

when 5 is added to a certain number, and also taken from that number, the product of the result is 75. Find the number

2 answers:

7 0

The Answer Is Let x be this number so (x+5)(x-5) =75 ===> x^2 -25 = 75 ===> x^2 =100 & x = 10

~Hope This Helps :)
Need More Help With Question Just Inbox Me
Also Rate, Give Thanks, And Mark As Brainiliest.
Thank You ;)

goldfiish [28.3K]4 years ago

6 0

I got corrected by mreijepatmat, and this is what they said: "Let x be this number so (x+5)(x-5) =75 ===> x^2 -25 = 75 ===> x^2 =100 & x = 10."

I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)

You might be interested in

The average cost of regular gasoline per gallon in 2014 was $3.34. In 2015 it decreased $0.94 per gallon in 2016 it decreased an

Hoochie [10]

£5.00 is the answer I think so at least. I am not very good at maths but this is what I got

6 0

2 years ago

For parallelogram LMNO, please help?

jeyben [28]

m∠L = 5x - 28
m∠N = 3x - 10

  m∠L ≡ m∠N
5x - 28 = 3x - 10
- 3x - 3x
2x - 28 = -10
+ 28 + 28
2x = 18
2 2
x = 9

m∠L = 5x - 28
m∠L = 5(9) - 28
m∠L = 45 - 28
m∠L = 17

m∠N = 3x - 10
m∠N = 3(9) - 10
m∠N = 27 - 10
m∠N = 17

  x + 17 = 180
- 17 - 17
  x = 163

m∠O = 163

3 0

4 years ago

9 1/3x4x6 1/2=? 5 3/4x8x2 1/2=? Pls answer this two questions tnx!

Kamila [148]

$9\frac{1}3*4*6\frac{1}{2}= \\ =\frac{28}3*4*\frac{13}2= \\ =\frac{28*4*13}{3*2}= \\ =\frac{28*13*2}3= \\ =\frac{728}3 \\ \\ 5\frac{3}{4}*8*2\frac{1}{2}=\frac{23}4*8*\frac{5}{2}=\frac{23*8*5}{4*2}=23*5=115$
[EDIT: Replaced x by * since x doesn't look well in typefaced math]

4 0

3 years ago

What is 508/1000 as a decimal?

lions [1.4K]

Answer:

Your answer would be .508!!!

Step-by-step explanation:

6 0

3 years ago

PICTURE ABOVE find perimeter in inches PLEASE HELP !!!

Vsevolod [243]

Answer:

C. 52

Step-by-step explanation:

First, find the base of the triangle. You can do this by looking at the top of the figure. 14 inches is the width of the rectangle, and 20 inches is the width of the rectangle and the base of the triangle. You can find the base of the triangle by subtracting.

$20-14=6$

The base of the triangle is 6. The height of the triangle is equal to the height of the rectangle, 8. Now you need to find the hypotenuse of the triangle using the Pythagorean theorem:

$a^2+b^2=c^2$

c is the hypotenuse. Find c:

$6^2+8^2=c^2\\36+64=100\\\\\sqrt{c^2}= \sqrt{100}\\c=10$

The hypotenuse of the triangle is 10. Now that you know the hypotenuse, you can find the perimeter. Add all the sides:

$10+20+8+14\\30+8+14\\38+14\\52$

The perimeter is 52 inches.

5 0

4 years ago