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gladu [14]
4 years ago
15

Given the graph below, find GH.

Mathematics
1 answer:
Alex777 [14]4 years ago
3 0

Answer:

GH = 6.3 (nearest tenth)

Step-by-step explanation:

Given:

G(-2, -3)

H(0, 3)

Required:

Distance between point G and H = GH

Solution:

Distance between G(-2, -3) and H(0, 3):

GH = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Let,

G(-2, -3) = (x_1, y_1)

H(0, 3) = (x_2, y_2)

GH = \sqrt{(0 - (-2))^2 + (3 - (-3))^2}

GH = \sqrt{(2)^2 + (6)^2}

GH = \sqrt{4 + 36} = \sqrt{40}

GH = 6.3 (nearest tenth)

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URGENT FOR A GRADE DUE BY 4:00 WILL GIVE BRAINLIEST AND RATE GOOD PLEASE PLEASE HELP THX!
eduard
First, find the area of the circle A=pi r^2 = 3.14 (8)^2=200.96 
the radius is half the diameter so r=16/2=8

Second, find the area of the triangle A=(hb)/2=(8*16)/2=64
since the triangle is resting on the diameter of the circle that means the height of the triangle is also the radius of the circle so h=8 and b=16 

Third, subtract the area of the triangle from the area of the circle to find the area of the shaded regions. 
so...
200.96-64=136.96
is the answer. 
  

7 0
4 years ago
I need help asap worth 100pts
Lunna [17]

Answer:

<u>Part (a)</u>

It depends how your calculator calculates quadratic regressions.

For my calculator:

  • Go to Statistics menu
  • Select quadratic regression: y=a+bx+cx²
  • Input the x and y values from the given table
  • Go to options and select regression calc

a = 1.177142857 = 1.18 (nearest hundredth)

b = 42.22257143 = 42.22 (nearest hundredth)

c = -12.87142857 = -12.87 (nearest hundredth)

⇒ y = 1.18 + 42.22x - 12.87x²

Therefore, the quadratic regression equation in standard form is:

y = -12.87x^2+ 42.22x + 1.18

<u>Part (b)</u>

To estimate the height of the rocket after 5 seconds, input x = 5 into the regression equation:

\implies  -12.87(5)^2+ 42.22(5) + 1.18=-109.47

As this gives us a negative value, this means that the rocket would have come back to the ground before 5 s.  Therefore, the height of the rocket at 5 s will be 0 ft.

(see attached graph → the rocket will hit the ground at approx 3.3 s)

4 0
3 years ago
Two groups of people entered a Drive-In restaurant. The first group ordered 6
MakcuM [25]
So here is how we are going to answer the problem above:
Given that f is the cost of French fries and b is the cost of Hamburger.
So: 5f + 6b = 4.55
5f = 4.55 - 6b (multiply both sides by 6) and we get
30f = 27.3 - 36b

Next,
6f + 10b = 7.00 (multiply both sides by 5) and we get
30f + 50b = 35 (Now substitute the value of 30f)
27.3 - 36b + 50b = 35
14b = 35 - 27.3
14b = 7.7 (divide both sides by 14)
b = 0.55

Therefore, the cost per hamburger is $0.55

Now go back to the cost of fries:
30f = 27.3 - 36b
30f = 27.3 - 36(0.55)
30f = 27.3 - 19.8
30f = 7.5 (divide both sides by 30)
f = 0.25
Therefore, the cost per french fries is $0.25
Hope this helps.
7 0
4 years ago
What percentage of births occur after day 12?
rjkz [21]

Answer:

the answer is 20% so good luck

4 0
3 years ago
Please help asap its been due already and its gonna be late please answer and explain properly
Softa [21]

Answer:

Both aren't proportional

Step-by-step explanation:

Whenever they are simplified they don't add up to the same fraction

Sorry for my bad hand writing, hopefully you can still read it :)

8 0
3 years ago
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