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3 years ago

A) Find the critical numbers of

Mathematics

1 answer:

qaws [65]3 years ago

3 0

Pls help me. Show proof on why it’s that answer. Pls help me. Show proof on why it’s that answer. Pls help me. Show proof on why it’s that answer. Pls help me. Show proof on why it’s that answer.

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Write an expression to convert 16 3/4 feet into inches.

pogonyaev

16 Feet x 12 inches. 16.75 x 12 is your equation.

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3 years ago

45% grass and the rest paved. how much is paved?

Lana71 [14]

Well we know that total percentages always equals 100 so x + 45 = 100. You should get x = 55%

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3 years ago

Which is a solution to (x – 3)(x + 9) = –27? x = –9 x = –3 x = 0 x = 6

likoan [24]

Answer:

x = 0

Step-by-step explanation:

Since the product is not equal zero, we need to multiply both parenthesis first:

$(x-3)(x+9) =-27$

$x*x+x*9+(-3)*x+(-3)*9=27$

$x^2+9x-3x-27=27$

$x^2+6x-27=27$

Add 27 from both sides:

$x^2+6x-27+27=-27+27$

$x^2-6x=0$

Factor $x$ out:

$x(x+6)=0$

Apply the zero product:

$x=0,x+6=0$

$x=0,x=-6$

The solutions of the equation are $x=0$ and $x=-6$ .

We can conclude that the correct answer is x = 0.

7 0

3 years ago

At 7:17AM this morning, it was 83˚F outside. What is 83˚F in Celsius? What is 83˚F in Kelvin?

Temka [501]

Answer: 28.33 Celsius and 301.483 Kelvin

83°F − 32) × 5/9 = 28.333°C

(83°F − 32) × 5/9 + 273.15 = 301.483K

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3 years ago

16. Oceanside Bike

jenyasd209 [6]

Answer: he paid for 5 hours take

51.00-11.00 = 40.00 left

8/40= 5

so he paid for 5 hours

7 0

3 years ago

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