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Alborosie
4 years ago
15

If ABCD is a parallelogram, which of the following statements must be true?

Mathematics
2 answers:
hoa [83]4 years ago
8 0

Answer: d. AB = CD and BC = AD


Step-by-step explanation:

We know that parallelogram is a quadrilateral with properties listed below:-

  1. The opposite sides are congruent ( AB = CD and BC = AD ).
  2. The opposite angels are congruent (∠A=∠C and ∠D=∠B).
  3. The consecutive angles are supplementary (∠A + ∠D = 180°).
  4. The diagonals of a parallelogram bisect each other.
  5. If one angle is right, then all angles are right.

7nadin3 [17]4 years ago
3 0
D the opposing sides are equal but parallel
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A man gathers nuts in a forest. Each time he finds a nut, there is a 20% chance it is a pecan and a 35% chance it is a walnut.
gladu [14]
Either a pecan or walnut means you add the probabilities together

20% plus 35% equals 55%
7 0
3 years ago
What is the equation of the line that passes through the point of intersection of the lines y = 2x − 5 and y = −x + 1, and is al
Arisa [49]
Y=1/2x-2

To find the point where the two lines intersect they are set equal to each other so that x can be found:
2x-5=-x+1
2x+x=1+5
3x=6
x=2

If x is known, x can be plugged into one of the two equations to find y.
y=-x+1=-2+1=-1

This means the point where they intersect is (2,-1).
We also know that the slope has to be 1/2 because the slope has to match the slope of the line it is parallel to.

Putting this into point slope form, we get:
(y-(-1))=1/2(x-2)

Which can be simplified into slope intercept form:
y+1=1/2x-1
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5 0
3 years ago
A trapezoid may have three congruent sides<br> True or false
olya-2409 [2.1K]

Answer: true

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
Every 3 hours, a machine produces 60 baskets what is the unit rate
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Step-by-step explanation:

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8 0
3 years ago
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David and Ashley want to calculate $8.27 – $2.98 by first calculating $8.27 – $3 = $5.27. David says that they must subtract $0.
Ierofanga [76]

Number lines are used to represent numbers on a line at a regular interval.

<em>David's statement is correct, while Ashley is incorrect</em>

The expression is given as:

\mathbf{8.27 - 2.98}

<u>Using number lines</u>

The end result on David's number line is 5.29, while the end result on Ashley's number line is 5.25

The correct result of the expression \mathbf{8.27 - 2.98} is 5.29 shows that David is correct

See attachment for the number lines that illustrate <em>David and Ashley's statements</em>

<u>Another way</u>

David's statement can be expressed as:

\$8.27 - \$3 - \$0.02 = \$5.29

While, the expression for Ashley's expression is:

\$8.27 - \$3 + \$0.02 = \$5.25

The original expression is:

\$8.27 - \$2.98 = \$5.29

By comparing the above expressions, we can conclude that <em>David is correct</em>

Read more about number lines at:

brainly.com/question/18611090

4 0
3 years ago
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