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Allushta [10]
2 years ago
14

Solve using the pathagorean theorem​

Mathematics
1 answer:
sleet_krkn [62]2 years ago
7 0

Answer:

The unknown side is 9.

Step-by-step explanation:

You would square 10 and sqrt181 so that you have (10^2)+(x^2)=181

Then you would subtract 100 from 181 and you left with x^2=81

Then square root both sides and you are left with x=9

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Use the distributive property to write an expression equivalent to 5 Times (3+4)
ivolga24 [154]
The distributive property states:

a(b+c) = ab + ac

Using that we get:

5\times (3+4)\\5(3+4) \\5(3) + 5(4)\\15 + 20\\35

You could also do it like:
5(3+4)\\5(7)\\35

So an expression that is equivalent to 5(3+4) is:

7(2+3)

That is your answer. It gets you the same final answer of 35.

Hope that helped :)
6 0
4 years ago
Evaluate the expression when m=-6<br><br> m2 + 7m +4
RideAnS [48]

The answer is -50, hope this helps!

8 0
3 years ago
Read 2 more answers
Find the distance from point (0,3) to the line y=3x-9
anastassius [24]

Answer:

<em>The distance from a point to the line </em>

   d = \frac{9}{\sqrt{10} }

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given straight line y = 3x-9 and point ( 0, 3)

Given straight line 3 x - y -9 =0

<em>The distance from a point to the line </em>

           d = \frac{ax_{1} +by_{1} +c_{1} }{\sqrt{a^{2} +b^{2} } }

         d = |\frac{3(0) -3 -9 }{\sqrt{3^{2}  +1^{2}  } }|

         d = \frac{9}{\sqrt{10} }

6 0
3 years ago
Helppppp pls and thankyouuu
Nataliya [291]

Answer:

20 minutes on the stationary bike

10 minutes on the treadmill

Step-by-step explanation:

x = minutes on bike

y = minutes on treadmill

x + y = 30

12x + 15y = 390

x = 30-y

12(30-y) + 15y = 390

360 - 12y + 15y = 390

3y = 30

y = 10

x + 10 = 30

x = 20

3 0
3 years ago
Are all congruent rectangles similar?
shusha [124]

All congruent rectangles similar because comparable shapes are not always congruent.

Given that,

We have to find are all congruent rectangles similar.

We know that,

Each side's length and the angles that separate them match those of the other shape's corresponding sides and angles. Comparable shapes are not always congruent, whereas congruent shapes are always similar.

So,

Similar figures are not always congruent, whereas congruent figures are always similar. For similar figures, we simply take into account the shapes, however for congruent triangles, we take into account both the shapes and sizes of the figure.

Therefore, All congruent rectangles similar because comparable shapes are not always congruent.

To learn more about congruent visit: brainly.com/question/26044249

#SPJ4

5 0
2 years ago
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