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agasfer [191]
3 years ago
11

AB is perpendicular to CD . How many 90° angles are formed by the intersection?

Mathematics
1 answer:
Oksana_A [137]3 years ago
5 0
Perpendicular lines make a cross. There are 4 right angles. 
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What set of reflections would carry triangle ABC onto itself?
crimeas [40]
<span>The correct answer is y-axis, x-axis, y-axis, x-axis. The y-axis is the vertical line, and the x-axis is the horizontal line. If the triangle is in the upper right quadrant, and is reflected first over the y-axis, it will be in the upper left quadrant. Then, when the triangle is reflected again over the x-axis, it will be in the lower left quadrant, diagonal to the initial triangle. When the triangle is again reflected over the y-axis, it will be in the lower right quadrant, below the initial triangle. Finally, when the triangle is reflected over the x-axis, it will be on top of the original triangle in the upper right quadrant.</span>
7 0
3 years ago
The area of the pacific ocean is approximatley 6.4x10^7 square miles. The area of the gulf of mexico is approximately 10^5 squar
matrenka [14]

Answer:

640 times greater

Step-by-step explanation:

Given the following

area of the pacific ocean = 6.4x10^7 square miles

area of the gulf of mexico =  10^5 square miles

Taking the ratio of the distances

pacific ocean/gulf of mexico = 6.4x10^7/10^5

pacific ocean/gulf of mexico = 6.4 * 10^2

pacific ocean/gulf of mexico =640

pacific ocean = 640gulf of mexico

Hence the area of the pacific ocean us 640 times greater than the area of the gulf of mexico

8 0
3 years ago
The market price of an article is Rs 1600 if it is sold for Rs 1472 what is the discount rate ? solve step ny step​
SVEN [57.7K]

Answer:

poor you

Step-by-step explanation:

3 0
3 years ago
What is a number that when you multiply it by 5 and subtract 2 from the product, you get 43?
SpyIntel [72]

Answer:

9

Step-by-step explanation:

9*5=45

45-2=

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3 0
3 years ago
Read 2 more answers
Hattempt last question below, or select another question rest tenth of a percent Out of 270 racers who wanted the then, 243 comp
coldgirl [10]

Answer:

10%

Step-by-step explanation:

Given:

Total number of racers = 270

Number of racers completed the race = 243

Number of racers gave up = 20

Now,

The number of racers who did not complete the race

= Total number of racers - Number of racers completed the race

= 270 - 243

= 27

Therefore,

The percentage of racers who did not complete the race

= \frac{\textup{number of racers who did not complete}}{\textup{Total number of racers}}\times100\%

= \frac{\textup{27}}{\textup{270}}\times100\%

= 10%

8 0
3 years ago
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