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Rus_ich [418]
3 years ago
13

Doug drove 253 ½ miles in 4 ½ hours. How many miles did ,he average per hour

Mathematics
1 answer:
nasty-shy [4]3 years ago
5 0

Answer:

56.33 is the average of miles per hour.

Step-by-step explanation:

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Write the equation of this circle in standard form
Svetradugi [14.3K]

Answer:

Standard equation of this circle is (x +5)² + y² = 9.

Step-by-step explanation:

The equation of a circle with center at (h,k) and a radius of r is:

(x - h)² + (y - k)² = r²

Subtitute the variables with h= -5, k = 0, and r = 3

(x - (-5))² + (y - 0)² =3²

(x + 5)² + y² = 9

Pls mark as brainliest...

8 0
3 years ago
(X+h)^3 + (x+h)-(x^3+x)
ICE Princess25 [194]
\dfrac{(x+h)^3 + (x+h)-(x^3+x)}{h}=\\
\dfrac{x^3+3x^2h+3xh^2+h^3+x+h-x^3-x}{h}=\\
\dfrac{3x^2h+3xh^2+h^3+h}{h}=\\3x^2+3xh+h^2+1
8 0
3 years ago
Marlene's taxable income is $95,000. Use this tax schedule to calculate the total amount she owes in taxes. A. 12,88.75 B. 17,90
zheka24 [161]
The answer is C. 

Since here taxable income is over $77,100 and below $160,850, her tax is $15,698.75 + [.28*($95,000 - $77,100)].

Tax = $15,698.75 + [.28*($17,900)]<span>.
       = </span>$15,698.75 + [$5012]<span>.
       =</span><span> $</span><span>20,710.75

Thank you for posting this question. Please feel free to ask me more.</span>
7 0
3 years ago
Pete is saving up for a bike and knows he'll need to spend at least $220 to get the one he wants. He saves $45 each month. How l
prisoha [69]
220= 45*x. I hope you are satisfied with my answer.
4 0
3 years ago
What is D to the secind power plus 8D plus 7
Feliz [49]
It matters what D is.
the way to do it is like 8 to the third power th math is:
8 times 8=64
8 times 64=512
8 times 512=4096
3 times
7 0
3 years ago
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