2 years ago

Seven friends have a similar cell phone plan

Mathematics

2 answers:

Elan Coil [88]2 years ago

8 0

Cool i don’t know this isn’t really not a question

egoroff_w [7]2 years ago

3 0

This is not a question. Please give us a question or a statement we can prove to be true or false

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a(x+b)=4x+10 in the equation above a and b are constants. if the equation has infinitely many solutions for X, what is the value

xeze [42]

Answer:

$b= \frac{5}{2}$

Step-by-step explanation:

Given

$a(x+b)=4x+10\\ax+b= 4x+10\\$

Now we know that system has infinite solution for x

$\frac{a_1}{a_2}=\frac{b_1}{b_2}$

in above equation.

$a_1=a, a_2=4, b_1=ab,b_2=10\\$

∴ $\frac{a}{4}=\frac{ab}{10}\\\therefore b=\frac{10\times a}{4\times a}=\frac{5}{2}$

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2 years ago

On a number line, what is the distance between –14 and –3?

Allisa [31]

Answer:

Step-by-step explanation:

if you find it difficult you can always write is down as a piece of side working

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-12

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2 years ago

Factor completely 2x^3+4x^2+6x+12

PilotLPTM [1.2K]

Answer: 2(x^3+2x+3x+6)

Step-by-step explanation:

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3 years ago

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4x < 16 or 12x > 144

Leviafan [203]

$4x < 16\ or\ 12x > 144\\\\x < 16:4\ or\ x > 144:12\\\\x < 4\ or\ x > 12\\\\x\in(-\infty;\ 4)\ \cup\ (12;\ \infty)$

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2 years ago

Help i dont know the answer

zhenek [66]

Answer:

Step-by-step explanation:

In her first 5 days, she reads 80 pages. That means that per day, she reads 16 pages. Then, she had 400 pages left, since 480-80 = 400.

So, you divide 400/16 = 25 days.

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3 years ago

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