3 years ago

PLZ HELP 75 POINTS SHOW WORK

Mathematics

2 answers:

Alexeev081 [22]3 years ago

6 0

Answer:

See in attachment and Mark as brainleist please.

Hope it helps

creativ13 [48]3 years ago

3 0

://us-static.z-11448242604gthis is answer

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A backpack normally costs 25 dollars but it is on sale for 21 dollars. What percentage is the discount?

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The packpack is 84% off.

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3 years ago

Solve for the variable in the equations below. Round your answers to the nearest hundredth. Do not round any intermediate comput

Kobotan [32]

Answer:

Part 1) $x=-0.07$

Part 2) $y=2.48$

Step-by-step explanation:

Part 1) we have

$15^{-9x} =6$

Solve for x

Apply log both sides

$log(15^{-9x})=log(6)$

$-x*(9log(15))=log(6)$

$x=-log(6)/(9log(15))$

$x=-0.07$

Part 2) we have

$e^{y}=12$

Apply ln both sides

$ln(e^{y})=ln(12)$

$y*ln(e)=ln(12)$

Remember that

$ln(e)=1$

$y=ln(12)$

$y=2.48$

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3 years ago

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Help if you do this you will get seven years of good luck if you don't you will get seven years of bad luck: (SAT Prep): Find th

KatRina [158]

Answer:

$Slope=\frac{7}{2}=3.5$

Step-by-step explanation:

Slope of line: $Slope\ of\ line\ passing\ through\ (x_1,y_1)\ and\ (x_2,y_2)\ is\ given\ by\ \frac{y_2-y_1}{x_2-x_1}$

$Here\ (x_1,y_1)=(\frac{2}{7},5)\\\\(x_2,y_2)=(10,39)\\\\Slope=\frac{39-5}{10-\frac{2}{7}}\\\\Slope=\frac{34}{\frac{68}{7}}\\\\Slope=\frac{34\times 7}{68}\\\\Slope=\frac{7}{2}=3.5$

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3 years ago

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Answer:

more than 90° or less than 180°

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Suppose it was -8 degrees Celsius at 6:00 am , by noon , the temperature had increased by 12 degrees . What was the temperature

pantera1 [17]

Answer:

Step-by-step explanation:

-8 + 12 = 4 degrees

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3 years ago