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amid [387]
3 years ago
12

|-9t| = 9 what is the answer

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0
|-9t|=9\\
|9t|=9\\
9|t|=9\\
|t|=1\\
t=-1 \vee t =1
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The table shows the distance Randy drove on one day of her vacation
horsena [70]
Given the table showing the distance Randy drove on one day of her vacation as follows:

\begin{tabular}
{|c|c|c|c|c|c|}
Time (h)&1&2&3&4&5\\[1ex]
Distance (mi)&55&110&165&220&275
\end{tabular}

The rate at which she travels is given by

rate= \frac{distance}{time}  \\  \\ = \frac{55}{1} =55mi/h

If Randy has driven for one more hour at the same rate, the number of hours she must have droven is 6 hrs and the total distance is given by

distance = 55 x 6 = 330 miles.
4 0
3 years ago
Mrs. McDonald's students have been working very hard during class, completing all class work and homework, and even attending tu
Natali5045456 [20]

Answer:

(13+83+85+87+90+91+93+97+98+99+100+100):12= 85,33

3 0
3 years ago
!!!!!!!!!!!!!!!!!I could use some help please uwu!!!!!!!!!!!
PtichkaEL [24]

Answer:

Step-by-step explanation:

Just substitute in 7 for the n.

30-4(7)

30-28

2

The 7th term in the sequence is 2.

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7 0
3 years ago
ALGEBRA 1
Gekata [30.6K]
The answer is B. 8x+6. You multiple 3 and x+4 then combine like terms
7 0
3 years ago
A pilot approaching a 3000-meter runway finds that the angles of depression of the ends of the runway are 14° and 20°. How far i
Amanda [17]
Answer:  The plane is 6,547 feet from the closer edge of the runway.

This is a trigonometry problem that will involve setting up 2 different triangles. One going to the closer edge of the runway and the other going to the far end of the runway.

The constant between the 2 triangles is the height of the plane. You can solve for this is both triangles and set them equal to each other. 

Do that will give you the equation:

x/tan(70) = (x+3000)/tan(76) where x is the distance to the closer end of the runway. 

If you solve that equation, you will get x = 6547 feet.

7 0
3 years ago
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