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marysya [2.9K]
3 years ago
15

Question below thanks

Mathematics
1 answer:
iragen [17]3 years ago
5 0

Answer:

y= half of x +2

Step-by-step explanation:

Ex: y=3  

Half of X is 1. 1+2=3

Ex: y=4

Half of X is 2. 2+2=4

Etc. im not going to do all the problems but i hope this helps :)

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What is the area of the Red Cross-section??? PLEASE HELP!!!!
alexandr1967 [171]
X is the radius of the slice.  So we must find the equation of the side of the cone.

y=mx+b, so now we must use two points to solve for the slope, or "m".

m=(y2-y1)/(x2-x1)

m=(0-15)/(5-0)

m=-15/5

m=-3  so our line so far is:

y=-3x+b, b=y-intercept=value of y when x=0, which we can see is 15 ft so:

y=-3x+15

Now the radius is x, so we must solve for x from the equation above...

-3x+15=y  subtract 15 from both sides

-3x=y-15  divide both sides by -3

x=(15-y)/3

And area of this circle is:

A=πx^2, and using x found above:

A=(π/9)(15-y)^2

A=(π/9)(225-30y+y^2), so when y=6 ft

A=(π/9)(225-30*6+6^2)

A=(π/9)(81)

A=9π or if we let π=pi

A=9pi ft^2
8 0
4 years ago
Is y=-2/5x inverse or direct variation
liraira [26]

Answer:

direct

Step-by-step explanation:

The standard form of an equation representing direct variation is

y = kx ← k is the constant of variation

The standard form of an equation representing inverse variation is

y = \frac{k}{x} ← k is the constant of variation

y = - \frac{2}{5} x ← represents direct variation with k = - \frac{2}{5}

3 0
3 years ago
Please select the most simplified form of the equation. −12x + 26 = 1x
Damm [24]

Answer:

x=2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−12x+26=x


Step 2: Subtract x from both sides.


−12x+26 − x = x − x


−13x+26=0


Step 3: Subtract 26 from both sides.


−13x+26−26=0−26


−13x=−26


Step 4: Divide both sides by -13.


−13x/−13  =  −26/−13


x=2

7 0
4 years ago
Algebra one bonus questions
slega [8]

Answer:

y=3/5x+3

y=1/2x+11.5

neither

Step-by-step explanation:

7 0
3 years ago
Martha has 8 cubic feet of potting soil and 3 flower pots. She wants to put the same amount of soil in each pot. How many cubic
GrogVix [38]

Answer:

  2 2/3 cubic feet

Step-by-step explanation:

Martha will put 1/3 of the 8 cubic feet in each pot. That is ...

  (1/3)(8 ft³) = 8/3 ft³ = 2 2/3 ft³

Martha will put 2 2/3 cubic feet of soil in each pot.

3 0
3 years ago
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