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Ostrovityanka [42]
3 years ago
6

Help please will give the brainliest

Mathematics
2 answers:
maks197457 [2]3 years ago
8 0
Hope this helps!!! Feel free to clarify

Mice21 [21]3 years ago
5 0

Answer:

Every angle of Square = 90°

diagonal bisects the angle in half.

=> angle FGI = 45°

=> 7x+3=45

=>7x=42

therefore, x=42/7=6

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The slope of the tangent line to the curve x^3y+y^2-x^2=5 at the point (2,1) is
zheka24 [161]

Answer:

-4/5

Step-by-step explanation:

To find the slope of the tangent to the equation at any point we must differentiate the equation.

x^3y+y^2-x^2=5

3x^2y+x^3y'+2yy'-2x=0

Gather terms with y' on one side and terms without on opposing side.

x^3y'+2yy'=2x-3x^2y

Factor left side

y'(x^3+2y)=2x-3x^2y

Divide both sides by (x^3+2y)

y'=(2x-3x^2y)/(x^3+2y)

y' is the slope any tangent to the given equation at point (x,y).

Plug in (2,1):

y'=(2(2)-3(2)^2(1))/((2)^3+2(1))

Simplify:

y'=(4-12)/(8+2)

y'=-8/10

y'=-4/5

5 0
3 years ago
Find the gradient of the line segment between the points (-4,2) and (4,5).
aleksklad [387]

Answer:

Gradient is = 0.375

Step-by-step explanation:

Rise = 3

Run = 8

8 0
2 years ago
Read 2 more answers
You know the distance between two cities is 140 miles. What is the distance in kilometers?
Juli2301 [7.4K]
The unknown is the distance in kilometres
The given is the distance in miles=140 miles
1 mile=1.6093km
140 miles=?
140/1*1.6093km=225.302km
Therefore the 140 miles in km is 225.302km
7 0
3 years ago
Read 2 more answers
Alex bikes 2 3/4 miles. Then, she runs 1 2/4 miles. The distance she bikes is how many times the distance she runs?
d1i1m1o1n [39]

Answer:

2 1/5

Step-by-step explanation:

2 3/4 divided by 1 2/4=2 1/5

6 0
3 years ago
Help me simplify 7x-(x-y) and 9a-(2b-a)
jonny [76]
7x-(x-y) = 7x - x + y = 6x + y

9a-(2b-a) = 9a+a-2b = 10a-2b

hope it helped
8 0
3 years ago
Read 2 more answers
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