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e-lub [12.9K]
3 years ago
12

Can you. pls. solve for X?​

Mathematics
2 answers:
Ivahew [28]3 years ago
8 0

Answer:

-7

Step-by-step explanation:

90+30=120

180-120=60

x+67=60

x=-7

likoan [24]3 years ago
4 0

Answer:

x = 173

Step-by-step explanation:

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Estimate the sum : 7.2 + 7.3 + 6.9 + 6.8.
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Answer:

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Step-by-step explanation:

7.2 + 7.3 + 6.9 + 6.8 = 28.2

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Find the rational zeros of the polynomial function, f(x)= 4x^3-8x^2-19x-7
Dima020 [189]

Answer:

The rational zero of the polynomial are \pm \frac{7}{4}, \pm \frac{1}{4},\pm \frac{7}{2},\pm \frac{1}{2},\pm 7,\pm 1  .  

Step-by-step explanation:

Given polynomial as :

f(x) = 4 x³ - 8 x² - 19 x - 7

Now the ration zero can be find as

\dfrac{\textrm factor of P}{\textrm factor Q} ,

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So, From given polynomial ,  P = -7 , Q = 4

Now , \dfrac{\textrm factor of \pm P}{\textrm factor of \pm Q}

I.e  \dfrac{\textrm factor of \pm P}{\textrm factor of \pm Q} = \frac{\pm 7 , \pm 1}{\pm 4 ,\pm 2,\pm 1 }

Or, The rational zero are \pm \frac{7}{4}, \pm \frac{1}{4},\pm \frac{7}{2},\pm \frac{1}{2},\pm 7,\pm 1

Hence The rational zero of the polynomial are \pm \frac{7}{4}, \pm \frac{1}{4},\pm \frac{7}{2},\pm \frac{1}{2},\pm 7,\pm 1  .  Answer

7 0
3 years ago
What is the solution to the equation?
ki77a [65]
5(8 + 7) = 5\cdot x + 5 \cdot 7\\
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check your answer: does 15*8 = 120? yes!

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3 years ago
A cell phone company charges $42 per month of service. The cost of a new
Lorico [155]

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it will cost $205.99 dollars

Step-by-step explanation:

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