2 years ago

Help plz i will give brainliest

Mathematics

1 answer:

jasenka [17]2 years ago

6 0

Answer:

(If needed explanation ask in the comments! ty)

Hope This Helps! •v•

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Solve the following exponential equations. Round your answers to 3 decimal place.

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Answer:

x=0.268

Step-by-step explanation:

$125=5e^{12x}\\125/5 = e^{12x}\\25=e^{12x}\\ln(25)=ln(e^{12x})\\ln(25)=12x(ln(e))\\ln(25)=12x\\x=ln(25)/12=0.268$

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3 years ago

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A water tank that holds 60 l of water can be emptied in 24 min. how long will it take to empty a water tank that holds 280 l of

galina1969 [7]

To empty 280 liters would take 112 minutes.

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Debby deposits 25% of the money that she earns each week in a savings account. If Debby earns $72 each week, how much money will

Aleksandr-060686 [28]

Answer:

$18.75

Step-by-step explanation:

25% is 1/4 of 100%

72 / 4 = 1$8.75

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3 years ago

Round these numbers to the nearest (I) 10 (ii) 100 (iii) 1000 (a) 948 (b) 1855 (c) 199 (d) 645 (e) 19897

makkiz [27]

A) 950, 900, 1000
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c) 200, 200, 0
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3 years ago

Y= (x-9) (x+3)

juin [17]

Answer:

y = x² − 6x − 27

Step-by-step explanation:

To distribute, you can use something called FOIL. It stands for First, Outer, Inner, Last.

First, multiply the First term in each factor.

x · x = x²

Now multiply the Outer terms in each factor.

x · 3 = 3x

Next multiply the Inner terms in each factor.

-9 · x = -9x

Finally, multiply the Last terms in each factor.

-9 · 3 = -27

Add them all up:

x² + 3x − 9x − 27

x² − 6x − 27

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3 years ago