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Sveta_85 [38]
4 years ago
11

Can a triangle have sides of length 4,7,11?

Mathematics
1 answer:
Lesechka [4]4 years ago
6 0

Answer:

No because 16+49 does not equal 121.

Step-by-step explanation:

first make 11 the hypotenuse and 4 and 7 side b and A

Use the pythagorean theorem: A^2+B^2=C^2

4^2+7^2=11^2

16+49=121

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Oksana_A [137]

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Step-by-step explanation:

6 0
3 years ago
Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parenth
navik [9.2K]

The answer is the option d, which is: d) \frac{-77+21i}{130}

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

\frac{7i}{7-2i-4-9i} \\\frac{7i}{3-11i}

2. Multiply the denominator and the numerator by the conjugated (3+11i) and simplify the expression, as following:

\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9}  \\ \frac{-77+21i}{130}

3. As you can see, you obtain the expression shown in the option mentioned above.

3 0
4 years ago
Find the Area of the Shaded Region.<br> 183 in<br> 184 in?<br> 182 in2<br> 117 in?
max2010maxim [7]

Answer:

Shaded Region? 182in²?

Step-by-step explanation:

Where is the Shaded Region?

but between all The options you gave it to us 182in² have area unit

8 0
3 years ago
The length of an object is measured as 56.8 centimeters. What is this measurement in scientific notation? A. 0.568 × 102 centime
denis23 [38]
Answer is C. 5.68 × 10^1 centimeters 

<span>56.8  = 5.68  x 10^1</span>
3 0
3 years ago
Please please help!!!!
k0ka [10]
I believe the answer is B, I substituted it in and it was 3(0) - 7(-4) = 28
0+28=28
28=28
5 0
4 years ago
Read 2 more answers
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