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Vikentia [17]
3 years ago
7

What is the area of the following trapezoid 210 280 420 140

Mathematics
1 answer:
8090 [49]3 years ago
3 0

Answer:

Step-by-step explanation:

A=  a+b/2 h (area = a +b over 2 times H) plug in your numbers

I dont have a picture, if i did i could solve it, but here is the formula

     

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What is the fraction -2 over 3 multiplied by -2 equal?
defon
-2/3 times -2. You change -2 into -2/1 so you can multiply numerator to numerator and denominator to denominator. You will get 4/3 (negatives cancel out)
3 0
3 years ago
X^2- y = 4<br> 2x + y = -1<br> use graphing to find the solutions to the system of equations
Flauer [41]

Answer:

SOLUTION: x + y =5 2x - y =4 -2x +-2y = -10 2x-y =4 2x - y = 4 2x -2 =4 3y -6 __ ___ 3 = 3 y = -2 __ then lost - is this right so far a

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2 years ago
Answer the question for 10 points
Fynjy0 [20]

Answer:

The answer to the mean is 66.4

Step-by-step explanation:

58+63+68+72+71

8 0
3 years ago
Read 2 more answers
Which statement best explains the value of 16 − (−3)?
natta225 [31]

Answer:

  • The additive inverse of −3 is +3, so 16 − (−3) = 19
  • negative 6 over 8 minus negative 1 over 8 = negative 5 over 8; therefore, the distance from A to B is absolute value of negative 5 over 8 equals negative 5 over 8 units
  • Because it is 3 units to the left of 2 on a horizontal number line

Step-by-step explanation:

The answers <em>are</em> the explanation.

__

<em>Comment on the second question</em>

Note that the second question asks for the distance from -6/8 to -1/8. Ordinarily, the distance from A to B would be computed as B - A. In this set of answer choices, it is computed as |A - B|. In the end, the result is the same.

Personally, I would compute the distance between points on a number line by subtracting the left point from the right point. Here, that would also correspond to B - A.

__

<em>Comment on choosing 'word' answers</em>

In a set of answers like these, one way to choose answers is simply to eliminate the ones that make a false statement. Often, you are left with only the correct answer choice.

For example, the statement "the additive inverse of -3 is -3" is a false statement, so the first two answer choices can be eliminated. Likewise, the statement 16 -(-3) = 13 is false, so that choice can be eliminated. The one remaining answer is the correct one.

6 0
3 years ago
Read 2 more answers
On a piece of paper, use a protractor and a ruler to construct two equilateral triangles: one with a side length of 3 inches and
makkiz [27]

since they are equilateral traingles, thier shape would be the same

 one has a side of 3 and the other 4

 so the answer should be : The two triangles are the same shape but not the same size


please mark brainliest

7 0
3 years ago
Read 2 more answers
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