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Olegator [25]
2 years ago
13

Find the value of x (multiple choice)

Mathematics
1 answer:
nekit [7.7K]2 years ago
6 0

Answer:

<em>D.) 6 </em>

Step-by-step explanation:

<em>-3+2*6=9</em>

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A bullet train can travel at 170 miles per hour.Will a graph representing distance in mile compared to time in hours show a prop
Eddi Din [679]
Yes the graph will show a proportional relationship
6 0
3 years ago
The rectangular coordinates of a point are given. Find the polar coordinates ​(r,theta​) of this point with theta expressed in r
alexandr402 [8]

Answer:}

In polar coordinates P is

P  ( 12 ; 2.618 )  

Step-by-step explanation:

The point (ectangular coordinates)  

P ( -6√3  ;   6 )       P  (  x ; y )

Polar coordinates   P ( r  ;  θ )

x = r cos θ

y = r sin θ                  r > 0    and     0  ≤ θ ≤ 2π

Then

r  =  √ (x)² + (y)²        r  =  √(36)²*3 +( 36)²       r = √144

r  =  12   (hypothenuse module always positive)

The point   P  ( -6√3  ;   6 )   is in second cuadrant  between 90° and 180°

angle between  r  and horizontal axis x  is equal to θ

tan α =  l.opp/ l.adj.    tan θ =  y/x       tan θ = - 6 /6√3

tan α = - 1/√3

Then α  =  180⁰ - 150⁰  = 30⁰  or     θ =  150⁰

to express that value in radians we have :

1 π radian      =   180⁰         ⇒   3,1416   radians  =  180⁰

                                                      x ??                  =   150⁰

x =  radians

Finally the point is   P  ( 12 ; 2.618 )  

6 0
3 years ago
A gardener is laying down sod (grass) at a newly built house. The rectangular front yard measures 52.1 ft by 26.4 ft. Each order
goldfiish [28.3K]

Answer:

3

Step-by-step explanation:

52.1 x 26.4 to find the total area equals 1375.44

1375.44 / 500 = 2.75088

since you can’t buy parts you round tot he next whole number making the answer 3

5 0
2 years ago
Joanna has 7 yards of fabric. She needs 100 inches of fabric to make curtains. Does she have enough fabric to make curtains? Com
Molodets [167]

Answer:

Yes she'll have enough with 152 inches remaining

Step-by-step explanation:

Multiply the length value by 36. Hoped this helped!

6 0
2 years ago
Wrapping a Package It takes 70 inches of ribbon to make a bow and wrap the ribbon
anygoal [31]

First subtract the amount the bow takes from the total:

70 - 32 = 38 inches

The width is 14 on top and bottom so subtract 14 x 2 = 28 from 38:

38-28 = 10

Divide 10 by the 2 sides:

10/2 = 5

The height is 5 inches.

5 0
3 years ago
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