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Sauron [17]
3 years ago
12

Does a rotation of 180 degrees preserves a figure's orientation?

Mathematics
1 answer:
umka21 [38]3 years ago
3 0
Yes cause a supplementary angles
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In a talent show of singing and comedy acts, singing acts are 4.5 minutes long and comedy acts are 3.5 minutes long. The show ha
Alik [6]

Step-by-step explanation:

Let the number of singing act be x

Let the number of comedy act be y

If the total act is 14, then;

x+y = 14..... 1

If singing acts are 4.5 minutes long and comedy acts are 3.5 minutes long and the acts lasts 59 minutes, then:

4.5x + 3.5y = 59 .......... 2

Solve both equation simultaneously for x and y

x+y = 14

45x+35y = 590

.................................

x+y = 14......... *9

9x+7y = 118....... 1

...............................

9x+9y = 126

9x+7y = 118

Subtract both equations

9y-7y = 126-118

2y = 8

y = 8/2

y = 4

Substitute y = 4 into equation 1;

From 1: x+y = 14

x+4 = 14

x = 14-4

x =10

Hence there are 10 singing acts and 4 comedy acts in the show

7 0
3 years ago
Maya has 120 caramel apples to sell. Each caramel apple is covered with one
mylen [45]

Answer:

peanuts=2/5

chocolate chips=1/8

coconut=3/10

rest=sprinkles

2/5+1/8+3/10

lcm=40

<u>16 + 5 + 12</u>

     60

=33/60

60/60 -33/60

=27/60

=9 /20 apples are covered with sprinkles

9/20 x 120

<h2>=63 apples are covered with sprinkles</h2>

Step-by-step explanation:

6 0
3 years ago
what is 79% of 800? that's all the questions but I can ask it cuz apparently it's to shirt but what is 79% of 800?​
ahrayia [7]

Answer:

the answer is 632

Step-by-step explanation:

that is %79 of 800

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3 years ago
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Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement
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The scale factor is six and the dilation is an enlargement.

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3 years ago
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At the beginning of the week, Naveen has 87 trading cards. On Monday, he gets 9 more. On Tuesday, he gives 16 away. On Wednesday
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He has 87 cards then he gets 9 more which is 96, he then gives 16 away which is 80, then he is given 3 which is 83 he sells all 83 cards to the collector & the collector gives him $124.50 each card is worth $1.50
4 0
3 years ago
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