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UNO [17]
3 years ago
8

Dave says:

Mathematics
2 answers:
denpristay [2]3 years ago
8 0
Dave is wrong because a rectangle has only 2 lines of symmetry i.e vertically and horizontally but it is not only quadrilateral with 2 symmetry there are even shapes like trapezium with 2 lines of symmetry
Troyanec [42]3 years ago
3 0

Answer:

a rectangle is having 4 lines of symmetry but a trapezium is having 2 lines of symmetry

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the height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year
Margaret [11]

Answer:

15 feet

Step-by-step explanation:

7 0
3 years ago
for the school play adult tickets cost 4$ and children tickets cost 2$ natalie is working at the ticket counter and just sold 20
lilavasa [31]
Let us formulate the independent equation that represents the problem. We let x be the cost for adult tickets and y be the cost for children tickets. All of the sales should equal to $20. Since each adult costs $4 and each child costs $2, the equation should be

4x + 2y = 20

There are two unknown but only one independent equation. We cannot solve an exact solution for this. One way to solve this is to state all the possibilities. Let's start by assigning values of x. The least value of x possible is 0. This is when no adults but only children bought the tickets.

When x=0,
4(0) + 2y = 20
y = 10

When x=1,
4(1) + 2y = 20
y = 8

When x=2,
4(2) + 2y = 20
y = 6

When x=3,
4(3) + 2y= 20
y = 4

When x = 4,
4(4) + 2y = 20
y = 2

When x = 5,
4(5) + 2y = 20
y = 0

When x = 6,
4(6) + 2y = 20
y = -2

A negative value for y is impossible. Therefore, the list of possible combination ends at x =5. To summarize, the combinations of adults and children tickets sold is tabulated below:

   Number of adult tickets             Number of children tickets
                  0                                                   10
                  1                                                    8
                  2                                                    6
                  3                                                    4
                  4                                                    2
                  5                                                    0




6 0
3 years ago
42+66<br> What's the answers
djverab [1.8K]

Answer:

The answer is 108

7 0
2 years ago
Zacarías and paz together have $756.80 if Zacarías has $489.50, how much does Paz have? Write and solve an addition equation to
boyakko [2]

ANSWER: Paz have $267.30

STEP BY STEP EXPLANATION

Let be Z for Zacarías and P for Pax

Z+P= 756.80

Z= 489.50

P=756.8 - Z

P=756.80 - 489.50

P= 267.30

8 0
3 years ago
I have 5 questions, and i need answers ASAP!
Zina [86]
1) 5z-9
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3) 5.4n-1
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3 0
3 years ago
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