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laila [671]
3 years ago
10

2x - 5/4x^2- 10x Simplify the rational expression and find the non-permissible values

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
8 0

Answer:

\frac{1}{2x} , x ≠ 0

Step-by-step explanation:

Given

\frac{2x-5}{4x^2-10x} ← factor the denominator by factoring out 2x from each term

= \frac{2x-5}{2x(2x-5)} ← cancel the factor (2x - 5) on numerator/ denominator

= \frac{1}{2x}

The denominator cannot be zero as this would make it undefined.

Thus x = 0 is the non- permissible value

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HELP PLEASE ASAP!!!!
forsale [732]

The measure of  angle m∠PZQ is 63degrees.

<h3>How to find an angle?</h3>

A point where two or more line segments meet is called a vertex.

The vertex point also forms an angle.

Therefore,

point P is in the interior of ∠OZQ,

Hence,

<OZQ = <OZP +  m∠PZQ

The following angles are given:

m∠OZQ = 125°

m∠OZP = 62°

Substitute the given values into the expression above:

125 = 62 +  m∠PZQ

m∠PZQ = 125 - 62

m∠PZQ = 63°

Therefore, the measure of  the angle m∠PZQ is 63degrees

learn more on angles here: brainly.com/question/11000242

#SPJ1

3 0
2 years ago
Simplify the expression. Write your answer as a power.<br><br> (−5/7)^8⋅(−5/7)^9
dem82 [27]

Answer: (-\frac{5}{7})^{17}

Step-by-step explanation:

The expression can be simplified by applying the a properties of exponents, specifically the Product of powers, which states that:

(b^a)(b^c)=b^{(a+c)

Where b is the base and a and c are exponents.

 Then simplify it by rewriting the base (-\frac{5}{7}) and adding the exponents of the expression (8 and 9).

You will get the expression simplified and written as a power:

(-\frac{5}{7})^8(-\frac{5}{7})^9=(-\frac{5}{7})^{(8+9)}=(-\frac{5}{7})^{17}

3 0
4 years ago
Which functions are increasing?
maria [59]
The two bottom functions are increasing.
Increasing means they are going in an upward direction from left to right.
7 0
3 years ago
Read 2 more answers
The sum of 5x+3 and the opposite of 12
natulia [17]

Answer:

The sum of 5x+3 is 5x+3. The opposite of 12 is -12.

4 0
3 years ago
Lisa had 1750 stamps. Mark had 480 fewer stamps than Lisa. Lisa gave some stamps to Mark. Now Mark has three times as many stamp
FrozenT [24]
L: 1750, M:1750-480=1270
Lisa gave some stamps to Mark so Lisa now has 1750-x and Mark has 1270+x. Mark also has 3 times as many as Lisa now: (1750-x)*3=1270+x
5250-3*x=1270+x
4*x=3980, x=3980/4, x=995
So Lisa gave 995 stamps to Mark.
At first Mark had 1270 stamps. Lisa now has 1750-995=755 stamps.
7 0
3 years ago
Read 2 more answers
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