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3 years ago

Find the difference. Write your answer in simplest form.

Mathematics

1 answer:

cestrela7 [59]3 years ago

8 0

Answer:

Yes you are correct. 9/20 is correct.

Step-by-step explanation:

7 /10 - 1 /4 =

7 * 2 / 10*2

1 * 5 / 4 * 5 = 14 /20 -5 /20 =9 /20

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If y=2-3x/x+3 express x in terms of y [20pts]

ollegr [7]

Answer:

a. x = (2 -3y)/(y+3)

b. x = -4/5

Step-by-step explanation:

Clear the fraction, collect x terms, divide by the coefficient of x.

$y=\dfrac{2-3x}{x+3}\\\\y(x+3)=2-3x\\\\3x+xy=2-3y\qquad\text{add $3x-3y$}\\\\x(y+3)=2-3y\qquad\text{factor out x}\\\\\boxed{x=\dfrac{2-3y}{y+3}}\qquad\text{divide by the coefficient of x}$

Put 2 where y is and do the arithmetic.

x = (2 -3(2))/(2 +3) = (2 -6)/5

x = -4/5

6 0

3 years ago

Michael submitted a narrative essay about a trip to the Grand Canyon. His teacher explained the paper had a problem with convent

natka813 [3]

Answer:

its C He should correct any mistakes in spelling and grammar

Step-by-step explanation:

just did it on edg 2020 and got it right ;)

Hope this helps

4 0

3 years ago

Read 2 more answers

Throughout Lewis Carroll's book, Alice's Adventures in Wonderland, Alice's size changes. Her normal height is about 50 inches ta

alexandr402 [8]

Answer:

The answer is 75 inches.

Step-by-step explanation:

If Alice is 10 inches, she is 2/3 as tall as the door. At her regular height, to be 2/3 as tall as the door the door would have to be 75 inches high.

6 0

3 years ago

Given: y ll z

emmainna [20.7K]

Answer:

As per the properties of parallel lines and interior alternate angles postulate, we can prove that:

$m\angle 5+m\angle 2+m\angle 6=180^\circ$

Step-by-step explanation:

Given:

Line y || z

i.e. y is parallel to z.

To Prove:

$m\angle 5+m\angle 2+m\angle 6=180^\circ$

Solution:

It is given that the lines y and z are parallel to each other.

$m\angle 5, m\angle 1$ are interior alternate angles because lines y and z are parallel and one line AC cuts them.

So, $m\angle 5= m\angle 1$ ..... (1)

Similarly,

$m\angle 6, m\angle 3$ are interior alternate angles because lines y and z are parallel and one line AB cuts them.

So, $m\angle 6= m\angle 3$ ...... (2)

Now, we know that the line y is a straight line and A is one point on it.

Sum of all the angles on one side of a line on a point is always equal to $180^\circ$ .

i.e.

$m\angle 1+m\angle 2+m\angle 3=180^\circ$

Using equations (1) and (2):

We can see that:

$m\angle 5+m\angle 2+m\angle 6=180^\circ$

Hence proved.

7 0

3 years ago

Read 2 more answers

Find the value of x.

Taya2010 [7]

Answer:

i have autism and adhd and add and dmdd so plz dont yell at me that i did not answer it!!!

Step-by-step explanation:

5 0

3 years ago