4 years ago

Is y= 4x +5 and y= 1/4x -2 perpendicular

1 answer:

8 0

No, the slope would have to be the opposite reciprocal. If the slope on the second equation would have been -1/4, it would be perpendicular.

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Four years ago, Hakim borrowed $275 to help pay for new tires for his car. He agreed to pay interest at a simple annual interest

Paha777 [63]

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B)$319

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3 years ago

the function f(t)= 3,500(1.003)^t gives the value of a saving account t months after it was opened.How long will it take for the

Pavel [41]

Answer:

After 19 months,value in the account will reach $3700

Step-by-step explanation:

The value of a savings account f(t) in terms of t ( number of months since account opening) is given as $3,500(1.003)^{t}$

We need to determine the value of t when f(t)>=3700

Expressing it in equation form,

$3,500(1.003)^{t} >= 3700$

$=>(1.003)^{t} >= \frac{3700}{3500}$

$=>(1.003)^{t} >= 1.057$

Taking log of both sides,

$=>t * log(1.003) >= log(1.057)$

$=>t >= \frac{log(1.057)}{log(1.003)}$

$=>t >= 18.51$

So t = 19.

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3 years ago