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lara [203]
3 years ago
5

PLEASE HELP ASAP 25 POINTS

Mathematics
1 answer:
blsea [12.9K]3 years ago
5 0

Answer:

Your answer is B!

Step-by-step explanation:


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HURRY BRAINLIEST AND 40 POINTS!!!
poizon [28]

Answer:

Option 3

Step-by-step explanation:

3 × (-4 - n/-2) 《 5

5 is also included, so should be less than equal to 5

8 0
3 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
1 1/3 divided by 40 by using the algorithm method
Mariulka [41]

Problem

1 1/3 divided by 40 by using the algorithm method

Solution

For this case we can do this first:

1\frac{1}{3}=\frac{1\cdot3+1}{3}=\frac{4}{3}

And then we can divide this number by 40 like this:

\frac{4}{3}\cdot\frac{1}{40}=\frac{4}{120}=\frac{2}{60}=\frac{1}{30}

3 0
1 year ago
Find the perimeter of rectangle.
marishachu [46]

Answer:

it depends on how big the rectangle is though...

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What is 12.5 x 163.2
AnnZ [28]

Answer:

2040

Step-by-step explanation:

brainliest??

3 0
3 years ago
Read 2 more answers
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