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gogolik [260]
3 years ago
13

What is 5 2

le" class="latex-formula">
Mathematics
1 answer:
Feliz [49]3 years ago
8 0
The answer is 5×2 =10
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A plane flew for 4 hours heading south and for 6 hours heading east. If the total distance traveled was 3,370 miles, and the pla
matrenka [14]
We know the total distance and individual times, so we can sum and equate total distance.

Let
E=speed heading east
E+45=speed heading south
then
4(E+45)+6E=3370 miles
Solve for E:
4E+180+6E=3370
10E=3370-180=3190 mph
E=319 mph.
7 0
4 years ago
A triangle has an area of 30 cm2. The base and height are scaled by a factor of 3. What is the are of the resulting triangle.
Lera25 [3.4K]
The base and height scaled to some factor, simply means,
they're blown up by that much, or multiplied by that much,

in this case is 3, so.. the area would be 1/2 bh, now,
with 3b and 3h, what would it be?

\bf \begin{cases}
A=\cfrac{1}{2}bh
\\\\
\textit{now, scaling "b" and "h" by 3}
\\\\
A=\cfrac{1}{2}\cdot 3b\cdot 3h\to \cfrac{1}{2}\cdot 9bh
\\\\
A=\cfrac{9}{2}bh\to 9\left(\cfrac{1}{2}bh  \right)\\
--------------\\
9\left(\cfrac{1}{2}bh  \right)\textit{ is really 9 times }\cfrac{1}{2}bh
\\\\
\textit{whatever the value of }\cfrac{1}{2}bh \textit{may be}
\end{cases}

-------------------------------------------------------------------------

\bf A=\cfrac{1}{2}bh\qquad 
\begin{cases}
b=2\\
h=3
\end{cases}\implies A=\cfrac{1}{2}\cdot 2\cdot 3\to 3
\\\\\\
\textit{now, let us scale "b" and "h" by 3}
\\\\
A=\cfrac{1}{2}\cdot  3b\cdot  3h\qquad 
\begin{cases}
b=2\\
h=3
\end{cases}\implies A=\cfrac{1}{2}\cdot (3\cdot 2)\cdot (3\cdot 3)
\\\\\\
A=\cfrac{1}{2}\cdot 6\cdot 9\to 3\cdot 9\to 27
3 0
4 years ago
Some swim teams travel to a swim meet each team had 9 swimmer a total of 54 swimmer went to meet. There was twice as many boys a
Virty [35]
Total: 54
Boys: 36
Girls: x

54 - 36 = x

x = 18

There would be 18 girls at the swim meet
6 0
3 years ago
Please answer if you know the solution. Thx
LenKa [72]

Answer:

the first blank is 10

and the second blank is 5

Step-by-step explanation:

5 0
3 years ago
What is an amount between $2 and $10?
marissa [1.9K]

Answer:

6

Step-by-step explanation:

3 0
3 years ago
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