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zheka24 [161]
3 years ago
13

Which expression is equivalent to the model? (look in attached image)

Mathematics
1 answer:
jeyben [28]3 years ago
3 0
Expression A is equivalent
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The midpoint of EF is M(4,10). One endpoint is E(2,6). Find the coordinates of the other endpoint F.
Licemer1 [7]
You will need to set equations to solve for x and y coordinate.
(2+x)/2=4
2+x=8
x=6

(6+y)/2=10
6+y=20
y=14

The answer is A. (6,14)
5 0
3 years ago
Combine like terms to create an equivalent expression 3.4 - 2.8d + 2.8d - 1.3
zalisa [80]

Answer:

3.4 - 2.8d + 2.8d - 1.3 = 2.1

Step-by-step explanation:

The given expression is 3.4 -2.8d + 2.8d -1.3

Let's see the definition of like terms.

Like terms are the terms having the same variable and the same exponents.

Examples: -3xy, 2xy  and 4y, 5y and -3, 2.

Now let's identify the like terms from the given expression.

3.4 -2.8d + 2.8d -1.3

Here the like terms are -2.8d, +2.8d and 3.4, -1.3

3.4 -2.8d + 2.8d -1.3

= -2.8d + 2.8d + 3.4 - 1.3            [-2.8d + 2.8d = 0] and 3.4 -1.3 = 2.1

= 0 + 2.1

=2.1

The answer is 2.1

6 0
3 years ago
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Determine whether the situation involves permutations or combinations. Then solve. How many ways are there to place an algebra b
Nikitich [7]

Answer:

<h2>The situation involves permutation</h2><h2>The number of arrangement is 120</h2>

Step-by-step explanation:

Given that

Algebra book=1  

Geometry book=1

Chemistry book= 1

English book= 1

Health book= 1

Total number of books N = (1+1+1+1+1)= 5

      Permutation is used to  determines the number of possible arrangements in a set when the order of the arrangements is crucial.

Number of arrangements = N!

Number of arrangements= 5*4*3*2*1=  120

5 0
3 years ago
How do you solve 111.8 divided by 13
rodikova [14]
Line the decimal first then divide 3
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3 years ago
Simplify the expression. 4(11 + 7) ÷ (7 – 5) 40 36 47 5
vodomira [7]

Answer:

36

Step-by-step explanation:

6 0
3 years ago
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