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laiz [17]
3 years ago
6

Find the value of x in the triangle shown below.

Mathematics
2 answers:
DIA [1.3K]3 years ago
7 0

Answer:

x=8

Step-by-step explanation:

We can use the Pythagorean theorem to solve

a^2+b^2 = c^2  where a and b are the legs and c is the hypotenuse

6^2 + x^2 = 10^2

36 + x^2 = 100

Subtract 36 from each side

36-36 +x^2 = 100-36

x^2 = 64

Take the square root of each side

sqrt(x^2) = sqrt(64)

x = 8

Ulleksa [173]3 years ago
6 0

Answer:

x = 8

Step-by-step explanation:

According to Pythagorean Theorem

AB {}^{2}  + BC {}^{2}  = AC {}^{2}

here

AB = x \\ BC = 6 \\ AC = 10

Now,

{x}^{2}  +  {6}^{2}  = 10 {}^{2}  \\  {x}^{2}  =  {10}^{2}  -  {6}^{2}  \\ x {}^{2}  = 100 - 36 \\  {x}^{2}  = 64 \\ x =  \sqrt{64}  \\ x = 8

AB = x = 8

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Answer:

5 1/10 ÷ .15 is 34 so she will be able to perform 34 experiments

7 0
2 years ago
What is the greatest perfect square that is a factor of 980?
BaLLatris [955]
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980=2×2×5×7×7
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8 0
3 years ago
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Find the center, vertices, and foci of the ellipse with equation 2x2 + 8y2 = 16.
Pavlova-9 [17]

{2}x^{2}  + 8 {y}^{2}  = 16 \\  \\ 1. \:  {2x}^{2}  =  - 8 {y}^{2}  + 16 \\ 2. \:  {x}^{2}  =  - 4y^{2}  + 8 \\ 3. \: x =  \sqrt{ - 4y^{2}  + 8}  \\ x =  -  \sqrt{ - 4y^{2} + 8 }  \\  \\ answer \\ x =  \sqrt{ - 4y^{2} + 8 }  \\ x =  -  \sqrt{ - 4y^{2}  + 8}

4 0
3 years ago
Can someone help me please.
zhannawk [14.2K]

Answer:

  1. Lena's Method: 280
  2. Jackson's Method: 280

Step-by-step explanation:

Lena's Method:

  1. 8 + 12 = 20
  2. Plug 20 in: 14(20)
  3. 14(20) = 14 × 20 = 280

Jackson's Method:

  1. 14 × 8 = 112
  2. 14 × 12 = 168
  3. Re-write the expression: 112 + 168
  4. 112 + 168 = 280

I hope this helps!

8 0
3 years ago
Which number should be added to both sides of the equation to complete the square x^2-10x=7
mixer [17]

Answer:

  25

Step-by-step explanation:

The number that needs to be added is the square of half the x-coefficient:

  (-10/2)^2 = 25

_____

Adding that gives ...

  (x -5)^2 = 32

  x = 5 ± 4√2

5 0
3 years ago
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