7 1/2=r-5 2/3. R=13 1/6. I got my answer by doing the inverse operation of subtracting 5 2/3 I added 5 2/3 to 5 2/3 I got 0 leaving N alone. I also added 5 2/3 to 7 1/2 I had to find the least common denominator and I got 6 I made 5 2/3 into 5 4/6 since they are equavelent fractions. I made 7 1/2 into 7 3/6 since they are equivalent and I added both fractions and got 12 7/6 and I made 13 1/6.
I will get you started.
Let sin x = u
Then 7sin^2x -14sinx+2=-5 become
7u^2 - 14u = - 5
7u^2 - 14u + 5 = 0
Steps:
1. Solve for u.
2. Back- substitute for u.
3. Take the arcsin on both sides to find the angle(s).
You finish.
Answer-
18
Explanation-
THEY USED PROCESS OF MULTIPLICATION SO THAT BY 2, BUT THEN DIVIDE 36 BY 2.
Slope = (-5-1)/(7+1) = -6/8 = -3/4
Perpendicular slope = 4/3
Midpoint = ((-1+7)/2 , (1+(-5))/2) = (3, 3)
equation:
y = mx + c
y = 4/3 x + c
at point (3, 3)
3 = 4/3(3) + c
c = 3 - 4 = -1
y = 4/3 x - 1 or 3y = 4x - 3
the lengths of nails with the following penny sizes: 3, 6, and 10
- A 3-penny nail is_5/4_inches.
- A 6-penny nail is_2_inches.
- A 10-penny nail is_3_inches.
This is further explained below.
<h3>What is the lengths of nails with the following penny sizes: 3, 6, and 10?</h3>
That is the equation solved for n.
The penny size is d, and n is the length of the nail, then:
if d = 3, we have:
n = (3 + 2)/4 = 5/4
if d = 6, then
n = (6 + 2)/4 = 2
if d = 10, then:
n = (10 + 2)/4 = 3
Thus:
A 3-penny nail is_5/4_inches.
A 6-penny nail is_2_inches.
A 10-penny nail is_3_inches.
if you want to learn more about linear equations:
brainly.com/question/1884491
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