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bija089 [108]
3 years ago
8

Which of the following is not an empirical formula? O C8H10N402 O C3H8 OMg3N2 O H2O

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0

Answer:

d..

Step-by-step explanation:

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The following graph represents the distance a commercial airplane travels over time, at cruising speed and an altitude of 35,000
ANEK [815]

Answer:

see the explanation

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form k=\frac{y}{x} or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

x ----> the time in hours

y ----> the distance in miles

<em>Find the value of k</em>

For the point (4,2268)

k=\frac{2,268}{4}=567\ mph

The slope represent the speed of the airplane

so

The linear equation is

y=567x

Part 1 :

The point (0,0) represents the starting point of the aircraft, when the time and distance are equal to zero. The cruising starts when time t = 0.

Part 2 :

The  point  (4, 2268) represents the plane after 4 hours of cruise , and shows it has traveled a distance of 2268 miles after 4 hours

3 0
3 years ago
ALGEBRA HELP PLEASE!!!! I DO NOT UNDERSTAND <br> Question: What is the range of this function?
Olegator [25]
Answer is D {-8, -3, 5, 7 }

hope it helps
8 0
2 years ago
Explain how to estimate 586- 321 in two different ways
stealth61 [152]

One way:

585-320=265 (Rounding to the nearest 5)

590-320=270 (Rounding to the nearest 10)

600- 300= 300 (Rounding to the nearest 100)

Hope you found this helpful :)

7 0
3 years ago
Read 2 more answers
What is the value of (x+1) in 13(6x − 5) − x = 13 − 2(x + 1)
yKpoI14uk [10]
The answer is -2x+11 for sure is the answer
5 0
2 years ago
Adam wants to know the original price of a bag of popcorn. He could only remember he paid $3.73, which was $2.51 less than the o
Neporo4naja [7]

the answer is $3.73+$2.51=$6.24

4 0
2 years ago
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