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Licemer1 [7]
3 years ago
15

Help please how many times longer is 3/4 than 2/15

Mathematics
2 answers:
Solnce55 [7]3 years ago
6 0


3/4-2/15=37/60(0.62)

HOPE THIS HELPS!!!!!!!!!

liq [111]3 years ago
3 0
3/4 is longer than 2/15 by 37/60
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The fabric coast 7¢ per square inch she will only pay for the fabric used to cover the box, even if there is waste or extra. How
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7 inches = 49 cents
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4 0
3 years ago
Why is the answer A? Plzzz explain.
Contact [7]

Answer:


Step-by-step explanation:

f(x) = x^2 + 4x + 4

f(x + a) = (x + a)^2 + 4(x + a) + 4

f(x + a) = x^2 + 2ax + a^2 + 4x + 4a + 4   Now combine like terms and use the distributive property.

f(x + a) = x^2 + (2a + 4)x + a^2 + 4a + 4

We are told that f(x + a) = x^2 - 6x + 9

So that means that

2a + 4 = - 6      Subtract 4 from both sides.

2a = - 6 - 4

2a = - 10          Divide by 2

a = - 10/2

a = - 5.            

But you are not finished. You have to check the last part.

a^2 + 4x + 4 = 9

(a + 2)^2 = 9

Take the square root of both sides

sqrt(a+ 2)^2 = +/- 3

a+2 = 3

a = 1.

Does this work or is it extraneous? It is extraneous because it will not work for  2(a) + 4 = - 6  

You get 6 = - 6 which is not correct. But you did give the second best answer.

a + 2 = - 3

a = - 3 - 2

a = - 5 which agrees with your previous answer.

===========

This is an extremely hard or tricky or sneaky problem. It takes a lot of conniving to get the right answer and 1 is not a left field answer. It just does not happen to be correct.

8 0
3 years ago
Solve 8x + c = k for x
mr Goodwill [35]
Ok so this is how you do it.....
You need to get x by itself.
8x + c = k
Subtract c.
8x = k - c
Divide 8 from both sides.
x = k - c / 8
I hope this helps love! :)
3 0
3 years ago
Read 2 more answers
Classify the polynomial: 5x^3+8
Varvara68 [4.7K]
Cubic binomial. There is one variable of 2 that is raised to the cubic power.
6 0
3 years ago
What expression is equivalent to -10x + 5
In-s [12.5K]

Answer:

-5x

Step-by-step explanation:

-10+5= -5 then you put -5 with x to get -5x

3 0
2 years ago
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