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dimaraw [331]
3 years ago
11

Double the number 12 three times

Mathematics
2 answers:
natali 33 [55]3 years ago
5 0

Answer:

36

Step-by-step explanation:

12+12+12=12x3= 36

azamat3 years ago
5 0
The correct answer is 1728
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A large airplane (plane A) flying at 26,000 feet sights a smaller plane (plane B) travelling at an altitude of 24,000 feet. The
Delicious77 [7]

Answer:

The line of sight distance is 1285.58 feet.

Step-by-step explanation:

The situation is illustrated in the figure attached.

From the figure we see that the altitude difference of the planes and the distance between them form a right triangle with one angle of 40° .

The line of sight between the two planes is the hypotenuse of the triangle.

The altitude difference of the planes is

26,000ft -24,000ft = 2000 ft.

Therefore, if we call x the line of sight distance, from trigonometry we have

$ sin (40^0) = \frac{2000ft}{x} $

\boxed{ x = 1285.58ft}

Therefore, the line of sight distance (x) is 1285.58 feet.

5 0
3 years ago
A baseball is hit with a bat and, as a result, its direction is completely reversed and its speed is doubled. If the actual cont
alexandr402 [8]

Answer:

6.7 /s.

Step-by-step explanation:

Initial velocity = u m/s

From the question, final velocity, v = - 2u m/s

Note - (the minus sign indicates that the direction was reversed and doubled)

t = 0.45

From equation of motion,

v = u + at

Acceleration, a = (v - u)/t

= (-2u - u)/0.45

= - 3u/0.45

Acceleration, a/Original speed, u = 3/0.45

= 6.7 /s

6 0
3 years ago
To factor 9x^2-16 you can first rewrite the expression as:
natka813 [3]
I hope this helps you

4 0
3 years ago
Leonard uses 3 peach slices and 1 banana for his fruit parfaits. If he used 42 peach slices to make parfaits for his friends, ho
Naddika [18.5K]

Answer:ez 26

Step-by-step explanation: how do you not know this

5 0
2 years ago
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Serena has $130 in her bank account . Her account is compounded quarterly for 2 years at a 9.4% interest rate . What is her tota
____ [38]
\bf ~~~~~~ \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$130\\
r=rate\to 9.4\%\to \frac{9.4}{100}\to &0.094\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, thus four}
\end{array}\to &4\\
t=years\to &2
\end{cases}
\\\\\\
A=130\left(1+\frac{0.094}{4}\right)^{4\cdot 2}\implies A=130(1.0235)^8
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3 years ago
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