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sergij07 [2.7K]
2 years ago
13

Solve for z: 25z+85=90 z= this confuses me and I need help ;-;

Mathematics
2 answers:
Phoenix [80]2 years ago
6 0

Answer:

1/5 or 0.2

Step-by-step explanation:

25z+85=90. subtract 85 from both sides. 25z=-5. divide by 25. z=1/5 or 0.2

seraphim [82]2 years ago
4 0
Z=1/5

Subtract 85 from both sides which gets you 25z=5.


Divide both sides by 25 which is z=5/25

Simplify which gives us the answer z=1/5.
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Is X-1 a factor of x^5-1?
Musya8 [376]

Answer: No

Explanation:

According to factor theorem, if f(x)=0 then x is a factor of the given function or equation.

As x-1 is a factor

We equate x-1=0

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2 years ago
Urgent. Factor the trinomial by grouping. Please show work. 14x^2y+9xy^2+y^3. If prime, show how you got prime answer.
ch4aika [34]

Answer:

y x (2x +y) x (7x +y)

Step-by-step explanation:

14x^2y + 9xy^2 +y^3

(Factor the expression)

y x (14x^2 +9xy +y^2)

(Rewrite the expression)

y x (14x^2 + 7xy +2xy +y^2)

(Factor the expression)

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(Factor the expression)

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