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Savatey [412]
2 years ago
5

Find the value of the expression when b= 9 c= 5 and d=10 ............ ½d + c² - b

Mathematics
1 answer:
Minchanka [31]2 years ago
4 0

Answer:

1/2d+c^2-b = 21

Step-by-st ep explanation:

= 1/2(10) + 5^2 -9

= 5 + 25 - 9

= 30 - 9

= 21

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Please help!<br> Solve for x.
aalyn [17]

Answer:

1. 15.9

2. 12

3. 7.29

4. 20.8

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Step-by-step explanation:

We can use the Pythagorean Theorem to solve for x (a squared minus b squared equals c squared)

Example number 1 is solved by  17 squared - 6 squared equals 253

You do square root and get 15.90

Number 4 is you have to divide 24 by 2 because it is one of the sides

So it is 24 squared minus 12 squared

You find square root and get 20.80

5 0
3 years ago
AB = 4x
KiRa [710]

Answer:

AB=4×

DC=×+9

AD=6

BC=2y

Quadrilateral ABCD is a parallelogram if both pairs of Opposite sides are congruent. show that quadrilateral ABCD is a parallelogram by finding the Lengths of the Opposite side part

c 12,6

3 0
3 years ago
Question 7<br><br> Which set of side lengths can be used to form a right<br><br> triangle?
olga2289 [7]

Answer:

D.30,40,50

Step-by-step explanation:

A.4,5,6

B.2,3,4

C.10,20,30

D.30,40,50

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c =  hypotenuse

4² + 5² = 25 is not equal to the square of 6 which is 36

2² + 3² = 10 . 10  is not equal to the square of 4 which is 16

10² + 20³ = 500. 500  is not equal to the square of 30 which is 900

30² + 40² = 2500. this is equal to the square of 50

6 0
3 years ago
What’ set of three numbers could be the side lengths of a triangle
Fudgin [204]

3,4,5

idk if this is right these could work but what type of triangle and what are you trying to figure out

3 0
3 years ago
Log3 27=3x+6 solve<br> this please
statuscvo [17]
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4 0
3 years ago
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