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umka21 [38]
3 years ago
9

Which of the following transformations preserves orientation, but does NOT preserve congruence?

Mathematics
1 answer:
AlexFokin [52]3 years ago
7 0
Reflection does not preserve orientation.
Dilation (scaling), rotation and translation (shift) do preserve it.
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Sudha earns ` 189 in a day and Radha earns ` 112 in a day. About how much will each of them earn in 30 days
Mariulka [41]

Answer:

the sudha and radha earns 5,670 and 3,360 respectively

Step-by-step explanation:

Since in the question it is mentioned that

Sudha earns 189 in a day

And, radha earns 112 in a day

so in 30 days, sudha earns

= 189 × 30 days

= 5,670

And, radha earns

= 112 × 30 days

= 3,360

Therefore the sudha and radha earns 5,670 and 3,360 respectively

8 0
3 years ago
John’s heart beat at a rate of 65 beats a minute when he is awake and 50 beats a minute when he sleeps (8 hours). How many times
Anarel [89]
His heart beats 86,400 times within a 24 hour period.
60 minutes in 1 hour, so you would multiply 8 hours by 60 mins, giving you 480 mins. 24 hours- 8 (time he's asleep) will give you 16. 16 * 60 will give you 960 minutes. 480 minutes (when he's asleep) * 50 beats a minute = 24,000. 
960 (when he's awake) * 65 beats a minute = 62,400. add 24,000 and 62,400 = 82,400 beats in 24 hours.
8 0
3 years ago
Help please and thanks
Nataly [62]

c

I saw this test my cousin had it

8 0
2 years ago
Juno is taking a taxi. The table represents a linear function and shows the amount she owed after various numbers of miles trave
Gennadij [26K]

(B) - Yes, because the amount owed changes by 2.25 every time the miles change by 1.


Starting at 1 mile the price is 2.5 dollars.

Mile 2 is 4.75 dollars. What is the difference between 4.75 and 2.5? 2.25

Mile 3 is 7 dollars. What is the difference between 7 and 4.75? 2.25

Mile 4 is 9.25 dollars. What is the difference between 9.25 and 7? 2.25

Mule 5 is 11.5 dollars. What is the difference between 11.5 and 9.25? 2.25

The change is always 2.25 dollars.

The change is 2.25 dollars per mile.

One way to solve for this is (11.5 - 2.5)/(5-1)=2.25

This is (y2-y1)/(x2-x1). By picking 2 points, (x1,y1) and (x2,y2) you can solve for the slope (rate of change) between them.

7 0
2 years ago
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the Marked price of an article is 25% above its cost price when it is sold at a discount of 15% there is a gain of rupees 200 fi
Vitek1552 [10]
The marked price of an article is 25% above its cost price when it is sold at a discount of 15%
7 0
2 years ago
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