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mezya [45]
3 years ago
13

find the equation of the line that has the given slope and passes through the given point. write the equation in the slope inter

cept form. m=2 (5,4)
Mathematics
1 answer:
marishachu [46]3 years ago
6 0

Answer:

y = 2x - 6

Step-by-step explanation:

Use the slope-intercept form of the equation of a line.

y = mx + b

y = 2x + b

4 = 2(5) + b

4 = 10 + b

b = -6

y = 2x - 6

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In a triangle, two sides that measure 8 centimeters and 11 centimeters form an angle that measures 82°. to the nearest tenth of
Gwar [14]
We can use the Сosine formula to solve this problem.
<span>First we must find the third side (АС) of the triangle:
</span>
AC^2=AB^2+BC^2-2*AB*BC*cos82^o \\ AC^2=8^2+11^2-2*8*11*0.1392 \\ AC^2=64+121-24.4992= 160.508 \\ AC= \sqrt{160.508} \approx  12.67 \ cm
<span>
The smallest angle of the triangle lies opposite the smallest side, so we need to find m</span>∠C.

cosC= \frac{AC^2+BC^2-AB^2}{2*AC*BC}  \\  \\ cosC= \frac{12.67^2+11^2-8^2}{2*12.67*11}= \frac{160.53+121-64}{278.74} = \frac{217.53}{278.74} \approx  0.7804

Now we can use Bradis's Table (I don't know the name in English, maybe Trigonometric Table?) to find m∠C:

m∠С = 38°42' = 38.7°

Answer: 38.7°


<span>I hope this helps</span>

7 0
3 years ago
1/8 + 1/4 ?? Why do I need 20 characters to summit this
abruzzese [7]

Answer:

0.375

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Help please! have a good day lol
Bumek [7]

Answer:

part A:d=5.4-3.1

Part B:t=4.9+3.1

Part C:If ted walks 5.4 kilometers,then david walks 2.3 kilometers,If david walks 4.9 kilometers,then ted walks 8 kilometers.

8 0
3 years ago
when 1 is added to a number and the answer is trebled , it gives the same result as doubling the number and then adding 4, find
Phoenix [80]
X - the number
3(x+1)=2x+4
3x+3=2x+4
3x-2x=4-3
x=1
7 0
3 years ago
Help with #2, thank you :)
marishachu [46]

Answer:

2^6

Step-by-step explanation:

2^2 + 2^4 = 2^6

4 0
2 years ago
Read 2 more answers
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