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inn [45]
2 years ago
14

This is so hard to me i need help fast

Mathematics
1 answer:
Alexus [3.1K]2 years ago
8 0

Answer:

1/3

Step-by-step explanation:

You can answer this as

9/27=1/3

and

3/9=1/3

and so 1/3 is the the constant proportionality for both figures

Hope You Understand :)

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Use long division to find the value of 1,875÷15.
SashulF [63]

Answer:

125

Step-by-step explanation:

1875 / 15 = 125

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

4 0
3 years ago
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What’s the the value of x
Verizon [17]

Answer:

12.5\sqrt{3}

Step-by-step explanation:

30-60-90 triangles always have the height be    sqrt3 the base.

5 0
2 years ago
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Graph then line that represents the equation y=-2/3x +1 ?
Aleksandr [31]
First, you would start on the orgin (0,0), and move up 1. You should now be at (1,0) make a point here
Next, you will move down 2. You should now be at (-1,0)
Finally, you move right 3.

You should now be at (-1,3)
Make a point

Hope this helps!
7 0
3 years ago
A motorboat takes 5 hours to travel 100mi going upstream. The return trip takes 2 hours going downstream. What is the rate of th
Temka [501]
The boat went 5hours upstream, let's say it has a "still water" speed rate of "b", it went 100miles... however, going upstream is going against the current, let's say the current has a speed rate of "c"

so, when the boat was going up, it wasn't really going "b" fast, it was going " b - c " fast, because the current was eroding speed from it

now, when coming down, the return trip, well the length is the same, so the distance is also 100miles, it only took 2hrs though, because, the boat wasn't coming down  "b" fast, it was coming down " b + c " fast, because the current was adding speed to it, so it came down quicker

now, recall your d = rt, distance = rate * time

\bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
upstream&100&b-c&5\\
downstream&100&b+c&2
\end{array}
\\\\\\
\begin{cases}
100=(b-c)5\\
\qquad \frac{100}{5}=b-c\\
\qquad 20=b-c\\
\qquad 20+c=\boxed{b}\\
100=(b+c)2\\
\qquad 50=b+c\\
\qquad 50=\boxed{20+c}+c
\end{cases}

solve for "c", to see what's the current's speed

what's "b"?  well 20+c = b
4 0
3 years ago
What is -3 1/3 - 2 it has to be a negative or positive whole number or fraction
Anestetic [448]

<em>《</em><em>°</em><em>♡</em><em> </em><em>i think that the answer to this question is -5 1/3</em><em> </em><em>(</em><em>-16</em><em>/</em><em>3</em><em>)</em><em> </em><em>hope this helps!</em><em> </em><em>♡</em><em>°</em><em>》</em>

8 0
3 years ago
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