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Len [333]
3 years ago
9

Write the equation for a line that intersects points (1,3) and (2,5)

Mathematics
2 answers:
Fiesta28 [93]3 years ago
7 0
Y=2x+1 is the correct answer
Georgia [21]3 years ago
3 0
Y=2x+1 is your answer
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How do you use cos on the calculater in math
Veronika [31]

Answer:First make sure your calculator is on the right setting which would be a DEG. Then depending on the problem you would press COS, put whats needed inside the parentheses and close it.

Or if a different kind of problem you would press 2nd on the top of the calculator then Cos and continue the same way as the first one.

Step-by-step explanation:

8 0
3 years ago
In ΔLMN, the measure of ∠N=90°, the measure of ∠M=17°, and MN = 20 feet. Find the length of LM to the nearest tenth of a foot.
andrey2020 [161]
20.9 ft
This is a right triangle trigonometry question because N is 90 degrees. MN is adjacent to M and LM is the hypotenuse. Adjacent any hypotenuse use the cosine function. 
cos \theta = \frac{adj}{hyp}
plug in known values
cos(17) = \frac{20}{x}
switch cos(20) and x using the products property
x = \frac{20}{cos(17)}
plug into calculator to get 20.9 ft

3 0
3 years ago
Read 2 more answers
QUICK QUICK I NEED YOUR ANSWER FAST! 1 MINUTE ONLY! WITH AN EXPLANATION PLEASE! THEN YOU WILL BE THE BRAINLIEST!
kirza4 [7]

Answer:

you would have 2.3 marbels

Step-by-step explanation:

3 0
3 years ago
Using Newton’s cooling model, what will the temperature of a cup of hot tea be 2 hours after it is poured if its initial tempera
eimsori [14]
Newton's Law of cooling is a differential equation that is simplified by using limits in temperature and time. The simplified equation is:

ln(T-Ts) = ln(T0-Ts) - kt

where 
T is the final temperature 
T0 is the initial temperature
Ts is the temperature of the surroundings
t is the time
k is a constant

Substituting the values:
ln(T-70) = ln(200-70) - (0.6)(2)
T = 109.16°F

The answer is B.

8 0
3 years ago
How to rearrange 3x+6y-1=0
timofeeve [1]
3x+6y-1=0
All the letters and all the numbers should be on seperate sides so...
The -1 is added onto the zero like this:
3x+6y=0+1
3x+6y=1
6 0
3 years ago
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