3 years ago

Derek parks in Mr. Crunch's parking garage. It is very expensive. It is $25 to park plus $3.25 for each

Mathematics

1 answer:

Aleks [24]3 years ago

5 0

3.25x10=32.5
32.5+25=57.5

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Please help asap solve x^4+5x^2+4=0

const2013 [10]

Answer:

$x=\pm i\text{ or }x=\pm2i$

Step-by-step explanation:

So we have the equation:

$x^4+5x^2+4=0$

Let's let u be equal to x². So:

$u^2+5u+4=0$

Factor:

$(u+1)(u+4)=0$

Zero Product Property:

$u+1=0\text{ or } u+4=0$

Subtract:

$u=-1\text{ or }u=-4$

Replace:

$x^2=-1\text{ or }x^2=-4$

Take square root:

$x=\pm\sqrt{-1}\text{ or }x=\pm\sqrt{-4$

Simplify:

$x=\pm i\text{ or }x=\pm2i$

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3 years ago

HELP PLS Solve for x x=[?] 3x + 2 6x - 20

Sloan [31]

Step-by-step explanation:

Remember that the sum of angles on a straight line are supplementary. (180°)

Therefore 3x + 2 + 6x - 20 = 180.

=> 9x - 18 = 180

=> 9x = 198

=> x = 22.

3 0

3 years ago

The Ortiz family will travel from Indianapolis to Denver this summer. The driving distance between the two cities is 1,058 miles

lakkis [162]

A. Write and solve an algrebraic equation to find out how many gallons of gas they will use. Explain your steps.

let x = gallons of gas they will use
y = distance traveled

x = y/20
x = 1058/20 = 52.9 gallons of gas

B. Write and solve an algebraic equation to find out how many miles they will travel.

let x = distance traveled
y = gallons of gas used

x = 20y
x = 20(52.9)
x = 1058 miles

Hope this helps. Have a nice day.

7 0

3 years ago

What is 11.11 as a mixed number ?

zvonat [6]

$11.11=11+0.11=11+\frac{11}{100}=\boxed{11 \frac{11}{100}}$

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3 years ago

Read 2 more answers

Hot dog buns come in package of 8.for school picnic, mr bught 30 packge of hot dog buns how many hot dog buns did he buy? A,24,b

Oliga [24]

It is 240 because 8 bags of hot dog buns plus 30 packages of hot dog buns would equal 240.

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3 years ago