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MArishka [77]
3 years ago
6

Caleb drives for 3 hours at 15 mph. how far does he travel

Mathematics
1 answer:
atroni [7]3 years ago
7 0
He travels approximately 45 miles
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What is the operation in the expression x-3?
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Answer:

Step-by-step explanation:

Subtraction because there is a minus sign

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Write an equation for the parabolla
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well, is noteworthy that an x-intercept is when y = 0 or namely is a solution or root of the quadratic, so we know then that the x-intercepts or solutions are at (-1,0) and (3,0), that simply means that

\bf (\stackrel{x}{-1},\stackrel{y}{0})\qquad (\stackrel{x}{3},\stackrel{y}{0})\qquad \begin{cases} x = -1\\ x+1=0\\ \cline{1-1} x=3\\ x-3=0 \end{cases}~\hfill \implies ~\hfill \stackrel{\textit{equation of the parabola}}{y = a(x+1)(x-3)} \\\\\\ \textit{we also know that } \begin{cases} x = 1\\ y = -8 \end{cases}\implies \underline{-8}=a(\underline{1}+1)(\underline{1}-3)

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3 years ago
What is 0.0000091 written in scientific notation
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NEED HELP ASAP<br> please give me the answer asap.
uranmaximum [27]

Answer:

you again ask your family

Step-by-step explanation:

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3 years ago
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*20 pts*
Leno4ka [110]

a.      This is the geometric sequence: a1 = 1.5 m = 150 cm, r = 0.74

The formula now is an = a1 x r ^ n-1

 

Just substitute a1 = 150 cm and r = 0.74

an = 150 x (0.74) ^ n – 1

 

b.      The second part is:

A6 = 150 x 0.74 ^ 6-1

= 150 x 0.74 ^5

= 150 x 0.221906624

= 33.28509936 cm

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3 years ago
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