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Fudgin [204]
3 years ago
13

Please help me with this

Mathematics
2 answers:
Ymorist [56]3 years ago
7 0
Answer=8

(8 x 5)

opposite of negative is positive
lisabon 2012 [21]3 years ago
4 0

Answer:

8 times 5

Step-by-step explanation:

Hope this helps

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Is this ration the same for all right triangles with a 65 degree angle? 90.63/100=0.9063
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Answer:

The solution of the first image is: b = √48

The solution of the second image is: c = √125

Step-by-step explanation:

Here we have two triangle rectangles, first, we need to remember the Pythagorean theorem.

For a triangle rectangle with cathetus A and B, and a hypotenuse H, we have the relationship:

A^2 + B^2 = H^2

Where H is the side that is opposite to the right angle (the angle of 90°)

In the first image, we can see that the hypotenuse is equal to 8, and one cathetus is equal to 4.

We want to find the value of b, that is the other cathetus.

Then we have:

4^2 + b^2 = 8^2

b^2 = 8^2 - 4^2

b^2 = 48

b = √48

Second image:

in this case, c is the hypotenuse, a and b are the cathetus.

We know that:

a = 5, b = 10

Then we have the equation:

a^2 + b^2 = c^2

Now we can replace the above values:

5^2 + 10^2 = c^2

25 + 100 = c^2

125 = c^2

√125 = c

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3 years ago
How many 10 digits numbers have no two digits the same and do not start with 0 or 1? ​
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Answer:

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Step-by-step explanation:

each number starting from 2 can be moved 11 times per thing.

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