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3 years ago

How do I factor 1/4d-3/4

Mathematics

1 answer:

kvasek [131]3 years ago

4 0

1/4d - 3/4 =
1/4(d - 3)

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4x−3=16=4(x−3)=16 <br> Do they have the same solution?

AnnZ [28]

Answer:

Step-by-step explanation:

4x -3 = 16

x=19/4

4(x-3) = 16: Distribute the number in the parenthesis with 4 and you get:

4x-12=16

x=7

4x-12=16 is not the same as 4x-3=16

Therefore they do not have the same solution.

5 0

3 years ago

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Kevin is 333 times as old as Daniel. 444 years ago, Kevin was 555 times as old as Daniel. How old is Kevin now?

My name is Ann [436]

Let D be Daniel's present age, then we can represent Kevin's present age as 3D because Kevin is 3 times as old as Daniel.

We can write an expression for Daniel's age 4 years ago as D-4 and Kevin's age 4 years ago as 3D-4.

We are told that 4 years ago Kevin was 5 times as old as Daniel. We can write this information as:

$3D-4=5\cdot(D-4)$

Now let us solve our equation to find Daniel's present age.

$3D-4=5D-20$

$-4+20=5D-3D$

$16=2D$

$D=\frac{16}{2}=8$

Daniel's present age is 8 years. Now we will multiply 8 by 3 to get Kevin's present age as Kevin is 3 times old as Daniel.

$\text{Kevin's present age}=8\cdot3=24$

Therefore, Kevin is 24 years old now.

8 0

2 years ago

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What does T equal to?

GarryVolchara [31]

Answer:

4/3

Step-by-step explanation:

t^3=64/27

=4^3/3^3

=index same

t =4/3

8 0

2 years ago

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Find the limit. Use l'Hospital's Rule where appropriate. If there is a more elementary method, consider using it. lim x→9 x − 9

luda_lava [24]

Without resorting to L'Hopitâl's rule,

$\displaystyle\lim_{x\to9}\frac{x-9}{x^2-81}=\lim_{x\to9}\frac{x-9}{(x-9)(x+9)}=\lim_{x\to9}\frac1{x+9}=\frac1{18}$

With the rule, we get the same result:

$\displaystyle\lim_{x\to9}\frac{x-9}{x^2-81}=\lim_{x\to9}\frac1{2x}=\frac1{18}$

8 0

3 years ago

Solve for x 1.8x +12=48

arlik [135]

Answer:

Get x on the left side of the equation: First, subtract 12 from 48. So, 1.8x = 36.
Then, divide 1.8 by 36 to get x alone. So, x = 20.
the final answer is x = 20.

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2 years ago

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