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Anton [14]
3 years ago
14

In chapter 2, Ralph tried to gain momentum while on the motorcycle. Ralph crossed the 72 inch tabletop in 35 seconds. Find the r

ate speed using formula S=D/T
Mathematics
1 answer:
Luba_88 [7]3 years ago
3 0

Answer:

     S = 2 2/35 in/s

Step-by-step explanation:

Put the numbers in the formula:

  S = (72 in)/(35 s) = (72/35) in/s

  S = 2 2/35 in/s

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Please answer asap thanks
Bad White [126]

Answer:

7y - 28

Step-by-step explanation:

if you multply 7 with inside parenthesis you will get 7y - 28.

4 0
3 years ago
the ratio of boys to girls at the beach clean up was 7:8 if there are 42 boys how many girls are there
Len [333]
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4 0
3 years ago
Which of the quadratic functions has the narrowest graph? y = –2x2 y=-1/2x^2 y = –4x2 y=1/7x^2
vovikov84 [41]
Look at the coefficient of x², ignore the positive or negative sign. The larger the coefficient, the narrower the graph. 
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ignore the positive or negative sign, 4 is the largest number, so y=-4x² is the narrowest.

Note: the positive/negative sign tells you whether the graph opens upward or downward. It doesn't determine the width of the graph. 

5 0
4 years ago
1. Is the following a Function? (2,3) (4,7) (3,9) (5,7)
tia_tia [17]

Answer: like wheres the graph

do u have a graph

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Calculate the average rate of change for the given function, from x = 2 to x = 7.
Marina86 [1]
\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\

\begin{array}{ccll}
x&f(x)\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
-2&0\\2&15\\7&30
\end{array}
\qquad 
\begin{cases}
x_1=2\\
x_2=7
\end{cases}\implies \cfrac{f(7)-f(2)}{7-2}\implies \cfrac{30-15}{5}
\\\\\\
\cfrac{15}{5}\implies 3
5 0
3 years ago
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