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Arisa [49]
3 years ago
14

A bike rider travels 58 miles 5 hours.

Mathematics
1 answer:
swat323 years ago
8 0
A. 58/5= 11.6 mph

b. it take 1 hr to ride 11.6 miles
so in 3hrs he would travel 3 x 11.6=34.8mi
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Convert 13/2 to a decimal using long division
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Answer:

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Step-by-step explanation:

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3 0
3 years ago
H(r)=−(r+9) 2 +36h, left parenthesis, r, right parenthesis, equals, minus, left parenthesis, r, plus, 9, right parenthesis, squa
Bond [772]

Answer:

Roots: -15, -9

Vertex: (-9, 36)

Step-by-step explanation:

H(r)=-(r+9)^2+36 is the equation of a parabola in "vertex form."  This form has the answer to the vertex question almost right in front of us.  You may have seen something like this pattern

y=a(x-h)^2+k  as the general vertex form of a parabola's equation. So in your problem, there's some role playing going on.  The role of <em>h</em> is being played by -9, the role of <em>k</em> is being played by 36.  (And <em>x</em> is being played by <em>r</em>.)

The vertex is the point (<em>h</em>, <em>k</em>) = (-9, 36) in your problem.  By the way, the vertex occurs where the quantity (<em>r</em> + 9) is equal to 0, so that's pretty simple to find; it's -9.  If <em>r</em> is replaced with -9, the value of the function is 0 + 36 = 36, so 36 is the second coordinate of the vertex.

Now for the zeros.  "Zeros" means to find the values of <em>r</em> that make the function's value equal to 0.

-(r+9)^2+36=0 \\ -(r+9)^2=-36 \\ (r+9)^2=36 \\ r+9=\pm 6

There are two possibilities:

r+9=6 \\ r=-3

or

r+9=-6 \\ r=-15

The zeros are -15 and -3 (the smaller one is -15).

4 0
3 years ago
−9x+2&gt;18 AND 13x+15≤−4
-Dominant- [34]

Answer:

x is less than 16/9 x is greater than or equal to -19/13

3 0
3 years ago
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Gina is putting books on a shelf that is 21 2⁄3 inches long. If each book is 2 1⁄3 inch wide, how many books can she fit on the
Lisa [10]
The answer is 9. you cant fit part of a book to the highest complete number of books would be 9.


6 0
3 years ago
Read 2 more answers
Order these numbers from least to greatest.<br> 2.9, 2.207, 3.76, 2.27
Lelu [443]

Answer:

From least to greatest, the order would go: 2.207, 2.27, 2.9, 3.76.

Step-by-step explanation:

To find the least greatest number, we have to look at each digit. In this number sequence, the least greatest number is a 2 for the single digit. With those 2s, 2.2 is the lowest out of them. And out of the 2.2s, the 2.207 is smaller than the 2.27. The 2.27 is the next number, then the 2.9 and then the 3.76.

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
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