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bazaltina [42]
3 years ago
10

What is the mystery number and four is subtracted from a half of a number the result is five

Mathematics
1 answer:
Rus_ich [418]3 years ago
4 0
9-4=5
unless I am reading the question wrong I believe the answer is nine. 
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Type the missing number in this sequence:
Gelneren [198K]
The answer would be 62
3 0
2 years ago
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Find the equation of the lien shown.
Mnenie [13.5K]

Answer:

y = \frac{1}{2} x

Step-by-step explanation:

the equation of a line passing through the origin is

y = mx ( m is the slope )

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (6, 3) ← 2 points on the line

m = \frac{3-0}{6-0} = \frac{3}{6} = \frac{1}{2}

y = \frac{1}{2} x ← equation of line

7 0
1 year ago
Can someone help me with this?
Oduvanchick [21]

Answer:

Equation

Step-by-step explanation:

Equation Rate of change: 2/1=2

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8 0
3 years ago
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14. Find the distance between (7,217pi/180 ) and (5,-23pi/36 ) on the polar plane.
irina [24]

Answer: the distance is  3.49 units

Step-by-step explanation:

There are some ways to find the exact distance, i will calculate the distance in rectangular coordinates.

When we have a point (R, θ) in polar coordinates, we can transform it into rectangular coordinates as:

x = R*cos(θ)

y = R*sin(θ)

Then we have:

(7,217pi/180 )

R = 7

θ = (217/180)*pi

x = 7*cos( (217/180)*pi) = -5.59

y = 7*sin( (217/180)*pi) = -4.21

So this point is (-5.59, -4.21) in rectangular coordinates.

And the other point is  (5,-23pi/36 )

R = 5

θ = -(23/36)*pi

x = 5*cos(  -(23/36)*pi ) = -2.11

y = 5*sin(  -(23/36)*pi ) = -4.53

So this point is (-2.11, - 4.53)

Then the point distance between those points is:

D = I (-2.11, -4.53) - (-5.59, -4.21) I

D = I (-2.11 + 5.59, -4.53 + 4.21) I

D = I (3.48, -0.32) I = √( (3.48)^2 + (-0.32)^2) =  3.49

4 0
3 years ago
Evaluate y = 9 * (5/2)^x for x = -3.
dem82 [27]
You can find your answer by just substituting -3 for x......
6 0
3 years ago
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