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NARA [144]
3 years ago
7

How do you simplify (3x+1/2)+(7x-41/2)

Mathematics
1 answer:
Contact [7]3 years ago
3 0
21x-13.5x+3.5x-2.25
<span>24.5x-15.75</span>
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Find the perimeter of quadrilateral ABCD with vertices A=(1,1) B=(4,4) C=(7,1) D=(4,-2). Explain your answer.​
Vanyuwa [196]

we have the coordinates of ABCD

there are 2 ways of doing this one is you find the distance of ab, bc, cd and da and then add the answers together. there is another way but i dont remember it properly so i am just gonna do it this way

distance between 2 point = \sqrt{(x_B-x_A)^2+(y_B-y_A)^2}

AB

d = \sqrt {(4 - 1)^2 + (4 - 1)^2}

d = \sqrt {(3)^2 + (3)^2}

d = \sqrt {9 + 9}

d = \sqrt 18

AB = 4.24

now repeat the same with all

BC= 4.24

CD= 4.24

DA= 4.24

so its a square with all the same sides so perimeter is 4 x 4.24

perimeter is 16.96

hope this helps

mark me as brainliest please

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2 years ago
Which answer is an equation in point-slope form for the given point and slope? point (1,-7) slope -2/3
Leviafan [203]

Answer:

A

Step-by-step explanation:


3 0
2 years ago
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How do I find the area of a trapezoid?​
konstantin123 [22]

Answer:

Step-by-step explanation:

Area of a trapezoid is found with the formula, A=(a+b)/2 x h. Learn how to use the formula to find area of trapezoids.

The two parallel sides are the bases, and height, as always, is the perpendicular distance from one base to the opposite. The area of this parallelogram is its height (half-height of the trapezoid) times its base (sum of the bases of the trapezoid), so its area is half-height × (base1 + base2).

3 0
2 years ago
The dimensions of a triangular prism are shown below what is the volume of the prism in cubic feet
Yuliya22 [10]

Answer:

B. 192.5 ft³

Step-by-step explanation:

To find the volume of a triangle prism, multiply the base, height, and length together, and then divide it by 2 (or multiply that by 0.5).

(5 * 7 * 11)/2

Multiply 5 by 7 to get 35.

(35 * 11)/2

Multiply 35 by 11 to get 385.

385/2

192.5 ft³ is the volume of this triangluar prism.

8 0
3 years ago
In a function, every output value corresponds to exactly one input value true or false
svet-max [94.6K]
It Is True . For A Function Each Input Should Only Have One OutPut . Example ❤️ : Input | Output 01 | 05 02. | 08 03. | 06 It Wouldn't Be A Function If The Input Had Repeated Example ❤️ : Input | Output 07. | 03 09. | 01 09. | 12 03. | 02
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