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scoundrel [369]
3 years ago
5

Write the direct variation: The total cost C of gasoline is $3.00 times the number of gallons g

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
3 0
Is it 3g? idk sorry i need points

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The diameter of a circle has endpoints A(1, 3) and B(4, 7), what is the
lana [24]

Answer:

The circumference of the circle is 5π

Step-by-step explanation:

First we need to calculate the diameter  

for this we have to know the distance between A(1, 3) and B(4, 7)

X =  Xb - Xa

X = 4 - 1

X = 3

Y = Yb - Ya

Y = 7 - 3

Y = 4

b - a = (3 , 4)

now that we have the distance of x and r we can calculate its distance using Pythagoras

h = hypotenuse

x = leg 1 = 3

y = leg 2 = 4

h² = x² + y²

we replace the known values

h² = (3)² + (4)²

h² = 9 + 16

h² = 25

h = √25

h = 5

The diameter of the circle is 5

Now we need to calculate the circumferencefor this we need to use the circumferenc formula of a circle:

c = circumference

d = diameter = 5

π = pi

c = π * d

we replace with the known values

c = 5  * π

c = 5π

The circumference of the circle is 5π

4 0
3 years ago
What is the solution of x+4/2x-1<0
Vikentia [17]

Answer:

\large\boxed{ -4

Step-by-step explanation:

Domain:\ 2x-1\neq0\to x\neq\dfrac{1}{2}

\dfrac{x+4}{2x-1}

(x+4)(2x-1)=(x)(2x)+....=2x^2+...\to 2>0\\\\\text{therefore the parabola is op}\text{en up}

\text{Look at the picture.}

\dfrac{x+4}{2x-1}

3 0
3 years ago
Read 2 more answers
Need help with task! Show work if possible~~
Inessa [10]

Answer:

Please see attached picture for full solution.

Sorry, I'm not sure how to do Q7 :(

6 0
3 years ago
Complete the equation for this model.
Arturiano [62]

Answer:

(-18) + (-2) = -20

Step-by-step explanation:

arrow is moving from -18 to -20.

3 0
1 year ago
What is the answer to this 6+z/10 = -2 solve for z
PilotLPTM [1.2K]
6+z=10x-2
6+z=-20
Z=-20-6
Z=-26
Hope this helps!
7 0
3 years ago
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