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2 years ago

Do respond to this it was accident

Mathematics

1 answer:

natka813 [3]2 years ago

3 0

I want points!!!!!!!!!!!!!!!!

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Add.

Rudiy27

Answer:

Step by step

3x2 - 5x+1 + 2x2 + 9x-6

Combine like terms

5x2 + 4x - 5

You are welcome and don't for get to click <u>THANKS</u>

7 0

2 years ago

Read 2 more answers

The cost of a High Definition television now averages $700, but the cost is decreasing about 15% per year. In how many years wil

Roman55 [17]

Answer: 7.7 years

Step-by-step explanation:

Given

The cost of HD TV is $700 and it is decreasing at the rate of 15% per year

After one year it becomes

$\Rightarrow 700-700\times 15\%\\\Rightarrow 700(1-0.15)$

after 2 year it becomes

$\Rightarrow 700(1-0.15)-700(1-0.15)\times 15\%\\\Rightarrow 700(1-0.15)(1-0.15)\\\Rightarrow 700(1-0.15)^2$

Suppose, after x years it becomes $200

$\Rightarrow 200=700(1-0.15)^x\\\\\Rightarrow \dfrac{2}{7}=0.85^x\\\\\text{Taking log both sides}\\\\\Rightarrow x=\dfrac{\ln (\frac{2}{7})}{\ln (0.85)}\\\\\Rightarrow x=7.7\ \text{years}$

Thus, it takes 7.7 years for the cost to come under $200.

3 0

2 years ago

Give two other names for PS

kari74 [83]

Answer:

it's c

Step-by-step explanation:

3 0

3 years ago

In Example 9.2 (p. 214), if you instead carried the suitcase by the handle so that the suitcase was hanging directly at your sid

Alexus [3.1K]

9514 1404 393

Answer:

none

Step-by-step explanation:

No work is required to maintain an object at a constant speed with no change in direction. Work is only done when an object is accelerated, or moved some distance in the direction of the net force applied.

you would do no work

5 0

3 years ago

Please please Pleas answer this question please please

Ulleksa [173]

Answer:

3 can

Step-by-step explanation:

there

8 0

2 years ago