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tino4ka555 [31]
3 years ago
15

The pressure at sea level is

Mathematics
1 answer:
seraphim [82]3 years ago
3 0

Answer:

653

Step-by-step explanation:

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Ms. Anguiano is enjoying a bicycle ride on a country road
GalinKa [24]

Answer:

The rate is 13 miles per hour

Step-by-step explanation:

* Lets explain how to solve the problem

- Jim lives three miles east of State College

- At noon, he leaves his house and begins to walk due east at a

constant speed of 2 miles per hour

- Annie lives four miles north of State College

- At noon, she leaves her house and begins to bicycle due north at a

constant speed of 8 miles per hour

- The east is perpendicular to the north

* Lets solve the problem

∵ At noon means 12 p.m

∵ They moved till 1 p.m

∵ Jim walked for 1 hour and Annie bicycled for 1 hour

∵ The rate of Jim is 2 miles per hour

∵ The rate of Annie is 8 miles per hour

- The distance = rate × time

∴ Jim walked = 2 × 1 = 2 miles

∴ Annie bicycled = 8 × 1 = 8 miles

- Lets calculate the distance of Jim from the State College till his

position at 1 p.m

∵ Jim lives three miles east of State College

∴ His distance at 1 p.m = 3 + 2 = 5 miles east

- Lats calculate the distance of Annie from the State College till her

position at 1 p.m

∵ Annie lives four miles north of State College

∴ Her distance at 1 p.m = 4 + 8 = 12 miles North

- Lets find the distance between them at 1 p.m

∵ The north ⊥ east

- Use Pythagoras Theorem to find the distance

∴ The distance = √(5² + 12)² = √(25 + 144) = √169 = 13 miles

- The rate = distance/time

∵ The distance between them is 13 miles in 1 hour

∴ The rate = 13/1 = 13 miles per hour

* The rate is 13 miles per hour

6 0
3 years ago
How are observations different from inferences? (choose)
sergejj [24]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Tyrese can eat 246 pieces of candy in 4 hours and 45 minutes. What would be the approximate number of pieces of candy that Tyres
likoan [24]

Answer:

around 51.78

Step-by-step explanation:

do 246÷4.75 which is around 51.78

7 0
3 years ago
What is 11.876 rounded to the nearest tenth?
vesna_86 [32]

Answer:

11.9

Step-by-step explanation:

The tenth place is the first decimal. You round down from 1-4 and up from 5-9, so round up.

11.9

3 0
3 years ago
Read 2 more answers
The numbers in the diagram below indicate the lengths of the sides of a triangle. Bernadette drew the following triangle and cla
xz_007 [3.2K]

Answer:

It's not a right triangle, there isn't a right angle anywhere there.

Also, it's not applicable via pythagorean theorem

Step-by-step explanation:

8 0
2 years ago
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