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mr Goodwill [35]
3 years ago
10

4. Yvonne poid $18.72 for 8 gallons of gas. She

Mathematics
1 answer:
aniked [119]3 years ago
3 0

Answer:

About 40 cents?

Step-by-step explanation:

2.29×8=18.32

18.72-0.4=18.32

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Find the inverse of the function x2 + y2 = 4 and the domain of the inverse for 0 ≤ x ≤ 2.
alexandr402 [8]
To get the inverse "relation" of an expression, we first off, do a quick switcharoo of the variables, and then solve for "y", so let's proceed,

\bf x^2+y^2=4\qquad inverse\implies \boxed{y}^2+\boxed{x}^2=4
\\\\\\
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and yes, the domain for the range 0 ⩽ x <span>⩽ 2, let's get instead the "range" of the original function,

</span>\bf x^2+y^2=4\implies 0^2+y^2=4\implies y=\pm\sqrt{4}\implies \boxed{y=\pm 2}&#10;\\\\\\&#10;x^2+y^2=4\implies 2^2+y^2=4\implies 4+y^2=4\implies \boxed{y=0}\\\\&#10;-------------------------------\\\\&#10;\stackrel{\textit{range of original}}{-2\le y \le 2}~~=~~\stackrel{\textit{domain of its inverse}}{-2\le x \le 2}<span>
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8 0
3 years ago
Simply sixteen squared divided by four cubed
FinnZ [79.3K]
You mean "Simplify 16²÷4³?"
16²=16*16,  16= 4*4
4³=4*4*4
so:
Simplify: <u>16²</u>  = <u>16*16</u> =  <u>4*4*4*4</u> = <u>4</u> = 4
               4³  =  4*4*4 =    4*4*4     1
OR
256 ÷ 64 = 4
6 0
3 years ago
Read 2 more answers
What is the area of this figure?? PLEASE HELP
diamong [38]

Answer:

1410ft²

Step-by-step explanation:

20 * 12 * 2 + [62 * (15 + 12)] =

480 + (62 * 15) =

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1410ft²

8 0
2 years ago
Hey there guys could anyone help me out here? tutors are unavailable and help would really be appreciated.
Scilla [17]

Answer:

50 degrees

Step-by-step explanation:

because it is a parallelogram, angle B = angle D, and angle C = angle A

that means we have 130(2) = 260 degrees that we know.

the total interior angles of a parallelogram = 360

360 - 260 = 100 degrees left. BUT because those are the total amount of angles left, those are angles A and C combined, so you have to divide 100 in half to get the angle A/ angle DAB

100/2 = 50 degrees. hope this helps! leave a question if you are still confused.

5 0
3 years ago
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The temperature dropped 4°C every hour for 6 hours. What was the total number of degrees the temperature changed in the 6 hours?
RUDIKE [14]

Answer:

-24 degrees Celsius

Step-by-step explanation:

6 x -4 = -24

5 0
2 years ago
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