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polet [3.4K]
3 years ago
14

If a triangle had lengths of 7 inches and 3 inches, what is the third side

Mathematics
2 answers:
DerKrebs [107]3 years ago
6 0
The third side would be 21 because you multiply 7*3=21
ruslelena [56]3 years ago
5 0
Without an angle, we cannot solve for the third side, unless this is a right triangle

This is the formula for a right triangle
c=hypotenuse
a and b are the other two sides
{a}^{2}  +  {b}^{2}  =  {c}^{2}
If 7 and 3 are the length in inches of the angles beside the 90° angle, then
{3}^{2}  +  {7}^{2}  =  {c}^{2}  \\ 9 + 49 =  {c}^{2}  \\ c =  \sqrt{58}
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Arrange the following polynomial into descending order for x, then interpret the degree of the 3rd term. 2xy4 + 2x2y − 3y2 + 10x
Darina [25.2K]
The arrangement should be based on the decreasing degree of the terms which may be determined by the variable x as it should come first in alphabetical order. The polynomial is then,
                         10x³ + 2x²y + 2xy^4 - 3y²
The degree is equal to the sum of the exponents. Thus, the answer is 5 and it is letter D. 
8 0
3 years ago
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Jacob can take any one of three routes from school to the mall, and one of five possible routes from the mall to his
Minchanka [31]

Answer:

8

Step-by-step explanation:

6 0
3 years ago
Plz help me well mark brainliest if correct ...?????.
jasenka [17]

Answer:

Apples

Step-by-step explanation:

8 0
3 years ago
Multiply: (3x - 5)(-x + 4)
insens350 [35]

Answer:

-3x²+17x-20

Step-by-step explanation:

When you apply the distributive property (which you did correctly), you simply multiply each number or variable in which you have to distribute it to (which again you wrote correctly) and then you add them all together.

(3x)(-x)=-3x²

+

(3x)(4)=12x

+

(-5)(-x)=5x

+

(-5)(4)=-20

Add those and you will get your answer. Hope this helped :)

3 0
3 years ago
Read 2 more answers
Pls help me this is so frustrating
Annette [7]

Answer:

x = 60°

Step-by-step explanation:

m∠EGD = m∠BGF = x°

The following m∠EGD, m∠DGC, m∠EGA lies on a straight line.

  • <u>A straight line has total 180° interior angle.</u>

solve:

  • m∠EGD + m∠DGC + m∠EGA = 180°
  • x + 90° + 30° = 180°
  • x + 120° = 180°
  • x = 180° - 120°
  • x = 60°
4 0
3 years ago
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