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Oduvanchick [21]
4 years ago
15

I need help on this fast

Mathematics
1 answer:
Alex4 years ago
6 0
See if the picture helps...

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What are the formulas for COS, TAN, and SIN?
Doss [256]
I'm guessing that you don't really want the formulas.  I think what you actually want
is the definitions of those functions of an acute angle when it's in a right triangle.

Cosine = (adjacent side) / (hypotenuse)

Tangent = (opposite side) / (adjacent side)

Sine = (opposite side) / (hypotenuse)

Tell me if I'm wrong, and I'll find some formulas for you.
8 0
4 years ago
How do u write a expression
zhuklara [117]

Answer:

<h2><u>it depends on what expression u want </u></h2>

Step-by-step explanation:

An example of a mathematical expression with a variable is 2x + 3. All variables must have a coefficient, a number that is multiplied by the variable. In the expression 2x + 3, the coefficient of x is the number 2, and it means 2 times x plus 3.

3 0
3 years ago
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While driving on the highway, Dave averages 60 miles per hour. In the city, he averages 30 miles per hour. On a trip to his gran
Tasya [4]
Dave arrived to his grandmother's hours in7.75 hours.
7 0
4 years ago
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Which best expression is the best estimate of the product of 7/8 and 8 1/10
Mars2501 [29]

Answer:

D. 1x8

Step-by-step explanation:

7/8 rounded is 1. And 8 and 1/10 rounder is 8, so therefore your answer is 1x8.

hope this helps! :)

7 0
4 years ago
P=-30h+74 The variable h represents the number of hours he has spent reading, the variable p represents the number of pages left
olchik [2.2K]

Answer: Ethan will have to spend 2 hours reading if 14 pages are left to read

Step-by-step explanation:

Given the equation

P=-30h+74

where p =number of pages left to read and

h= the number of hours he has spent reading

Therefore , if Ethan has 14 pages left to read, then the number of hours Ethan will have to read will be

P=-30h+74

14= -30h + 74

30h= 74-14

30h= 60

h = 60/30

h =2 hours

Ethan will have to spend 2 hours reading if 14 pages are left to read

6 0
3 years ago
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