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Archy [21]
3 years ago
11

URGENT PLEASE HELP 30 POINTS

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0

m1+m7+m8=180

m8 and m12  are supplementary angles (not congruent)

m12 must be 120  (180-60)

Stuart is wrong

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itzel noticed that the distance from her house to the library, which is 40 miles, was one fifth the distance from her house to h
Maksim231197 [3]

Answer:

200 miles

Step-by-step explanation:

40 x 5 = 200

5 0
3 years ago
Speed was increased 20% to 48 mph. What was the speed before the increase
grigory [225]

Answer:

40 mph

Step-by-step explanation:

If the speed increased by 20%, now the speed is 120% of the original speed.

48 mph is 120%, so dividing by 6 will get 8 which is 20%.

If 8 is 20%, you can multiply it by 5 to get 40, which is 100%. This means 40 mph is the original speed.

Hope this helps!

8 0
3 years ago
You read 105 pages of a novel over 7 days what is the mean number of pages you read each day
Zolol [24]
105/7=15 
so you will have to read 15 pages per day 
3 0
4 years ago
Read 2 more answers
Find the quotient of the quantity negative 6 times x to the 2nd power times y to the 8th power plus 12 times x times y to the 3r
olga nikolaevna [1]
[ - 6 * x^2 * y^8 + 12*  x * y^3 - 36 * x * y^2 ] / [6*x*y^2] =

[-6x^2 y^8 ] / [6xy^2] + [12x y^3] / [6xy^2] - [36xy^2] / [6xy^2] =

- xy^6 + 2y - 6

Answer: - xy^6 + 2y - 6

6 0
4 years ago
Read 2 more answers
Sound travels about 335 meters/second. How many kilometers would a sound travel in 1 minute?
Lelechka [254]
If sounds travel 335 meters in 1 second , in 1 minute it travels 60 times that distance :

335m × 60 = 20100 meters
Sounds travel 20100 meters per minute
if 1000 meters = 1 km ,
20100 meters = 20100/1000 km
20100 meters = 20.1 Km

Awnser : Sound would travel 20.1 km in one minute
7 0
3 years ago
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