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aleksklad [387]
3 years ago
8

David went for a run in his town.

Mathematics
1 answer:
Kazeer [188]3 years ago
5 0
1.2 plus .75 plus 1.34 plus .49 which is 3.78
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Graph in comments
Xelga [282]

it is going to take 18 miles in 1 hour

3 0
2 years ago
Look at the image. (calculus)
mash [69]
<h3>Answer: Choice H)  2</h3>

=============================================

Explanation:

Recall that the pythagorean trig identity is \sin^2 x + \cos^2x = 1

If we were to isolate sine, then,

\sin^2 x + \cos^2x = 1\\\\\sin^2 x = 1-\cos^2x\\\\\sin x = \sqrt{1-\cos^2x}\\\\

We don't have to worry about the plus minus because sine is positive when 0 < x < pi/2.

Through similar calculations, \cos x = \sqrt{1-\sin^2x}\\\\

Cosine is also positive in this quadrant.

-------------

So,

\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}\\\\\frac{\sin x}{\sin x}+\frac{\cos x}{\cos x}\\\\1+1\\\\2

Therefore,

\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}=2

is an identity as long as 0 < x < pi/2

5 0
2 years ago
Read 2 more answers
What is the product of 2/12 and 1/14? If you get it correct ill mark ya brainly.
Whitepunk [10]

Answer:

1/84

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Grapes cost $1.55 per pound. What equation is used to find c the total cost of p pounds of grapes?
Kamila [148]
C=$1.55p

Is this what you need?
Hope this helps and hope you have a great day
4 0
3 years ago
A grocery store clerk put only packages of flour tortillas and packages of corn tortillas on a shelf. The ratio of the number of
Likurg_2 [28]

Answer: 18

Step-by-step explanation:

The options are:

A. 23

B. 18

C. 14

D. 32

Since we are told that the ratio of the number of packages of corn tortillas to the total number of packages on the shelf was 7 to 16. This simply means that the ratio of flour tortillas to the total number of packages on the shelf was (16 -7 = 9) 9 to 16.

Therefore, to get the number that could represent the number of packages of flour tortillas the clerk put on the shelf we have to find the multiple of 9 in the question given . This will be:

Multiples of 9 = 9, 18, 27, 36, 45 ....

Based on the option, the answer will be 18.

8 0
3 years ago
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