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Nataly [62]
3 years ago
6

What is the perimeter?

Mathematics
1 answer:
vekshin13 years ago
3 0

Answer:

30

Step-by-step explanation:

DE=10

AE=12

AD=8

So the perimeter is 30

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(Pls help i need this ASAP I got 5 min left) If ΔSTU is reflected over the y-axis, what are the coordinates of the vertices of Δ
Svetradugi [14.3K]

Answer:

T(2,4)      S(3,2)       U(1,1)

Step-by-step explanation:

5 0
3 years ago
Please help me, I have no idea what the equation for the new path is. <br><br> Thank you!!
Citrus2011 [14]
First, find the slope of the initial line; 

m=(y₁-y₂)/(x₁-x₂) 

m=(4-0)/(11-8) 
m=4/3 

If two lines are parallel, the slope is the same although the intercept can differ. 

If this parallel lines passes through the point (4, 5); 

y=(4/3)x+c <-- plug in coordinates to solve for c
5=(4/3)(4)+c 
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Therefore, the final equation should be y=4/3x-1/3

Hope I Helped :) 
8 0
3 years ago
Which operation should you perform last in the expression 12 × 42?
GrogVix [38]

Answer:

The order of operations requires that all multiplication and division be performed first, going from left to right in the expression.

Step-by-step explanation:

6 0
2 years ago
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Find an equivalent fraction for the decimal number. In your final answer, include all of your work.
nataly862011 [7]
66/100 or simplified = 33/50
4 0
3 years ago
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2x + 3 =-7 <br> Match equation to its solution
Blizzard [7]

Answer:

X= -5

Step-by-step explanation:

  1. You must move all constants to one side of the equation (one side of the equal sign) and away from 2x. To do so, you must do the inverse operation, which would be subtraction in this case because 3 is a positive number. (Inverse of addition is subtraction, Inverse of subtraction is addition, Inverse of multiplication is division, and inverse of division is multiplication) If you squish a constant and variable together (2x) it means multiplication.
  2. What you must do to one side, you must do to the other. So, since you subtracted 3 from the 3, you must subtract 3 from -7, too(subtracting from a negative is just addition- but you keep the negative sign). Once this is done, your equation will be 2x=-10
  3. Now, you must do the inverse operation to 2x to separate the 2. The inverse operation will be division. So, you divide both sides by 2. 2x divided by 2 will give you x. -10 divided by 2 will give you -5. (When you divided negative and positive numbers, the signs are different, meaning it's negative. If they had the same sign, it would be positive.)
  4. Therefore, your answer is x= -5

Hope I helped! :)

Sorry about the whole dang essay lol

3 0
3 years ago
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