3 years ago

Please help me!

Mathematics

1 answer:

nexus9112 [7]3 years ago

7 0

Answer:

Choose 1/25 as the common denominator

Step-by-step explanation:

1/25 is the lowest number that both existing denominators can be factored into.

6/25 would remain the same.... 6/25

4/5 would become 20/25..... multiply the top and bottom by 5

So 6/25 - 20/25 = - 14/25

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Please help I don't need 7 though thank you

Marta_Voda [28]

Your answer is 18 thank you so much

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3 years ago

Solve for x. Write both solutions, separated by a comma. 8x^2+7x-1=0

Ivan

Answer:

Step-by-step explanation:

8x² + 7x - 1 = 0

Rewrite 7x as a difference

That's

8x² + 8x - x - 1 = 0

Factorize

8x( x + 1) - ( x + 1) = 0

(8x - 1)( x + 1) = 0

8x - 1 = 0 x + 1 =0

8x = 1 x = - 1

x = 1/8

The solutions are

Hope this helps you

7 0

3 years ago

What is ×=1×=2×=4 ×=6

nikitadnepr [17]

Answer:

X=1

x=2

x=4

x=6

Step-by-step explanation:

You

literally

got

the

answer

yourself

3 0

3 years ago

a dress just went on sale and is 20% Off. To return to its previous price, How much in percentage should the price be raised?

ExtremeBDS [4]

I think the answer is 25%?

8 0

4 years ago

If a 4 x 16 rectangle has the same area as a square, what is the length of a side of the square?

Licemer1 [7]

Answer:

Option D. 8 units

Step-by-step explanation:

step 1

Find the area of rectangle

The area of rectangle is

$A=(4)(16)=64\ units^2$

step 2

Find the length side of the square with the same area of rectangle

The area of a square is

$A=b^2$

where

b is the length side of the square

we have

$A=64\ units^2$

substitute

$64=b^2$

take the square root both sides

$b=8\ units$

therefore

The length side of the square is 8 units

7 0

3 years ago