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2 years ago

What number goes I the blanket make this equation true 17-9 = 6+ ____

Mathematics

2 answers:

NeTakaya2 years ago

7 0

Answer:

Step-by-step explanation:

well first do 17-9= (17-7)-2=10-2=8

so 8=6+_

subtract 6 from both sides and you get

2=_

so the blank is 2

olya-2409 [2.1K]2 years ago

6 0

Answer:

Step-by-step explanation:

If you subtract 17 by 9, you get 8.

6+2 is equaled to 8 , so 2 is the answer.

hope that helps ! :))

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Substitution 1.y=-5x-19 y=-6x-24 2.y=-6x-22 y=-3x-10

omeli [17]

Answer:

1. y=5 and x=-5

2. y=2 and x=-4

Step-by-step explanation:

1.y=-5x-19

y=-6x-24

since both equations are equal to y, they are also equal to eachother

-5x-19=-6x-24

addition P.O.E.

x-19=-24

addition P.O.E.

x=-5

substitute x into one equation

y=-5*-5-19

y=6

2. y=-6x-22

y=-3x-10

since both equations are equal to y, they are also equal to eachother

-6x-22=-3x-10

addition P.O.E.

-22=3x-10

addition P.O.E.

-12=3x

division P.O.E.

-4=x

substitute x into one equation

y=-3*-4-10

y=2

5 0

3 years ago

Kingda ka in new jersey is the tallest and fastest roller coaster in the world. riders travel at an average speed of 61 feet per

trapecia [35]

Answer:

(a) 3118=61*t

(b) The amount of time the roller coaster is in motion is 51.11 seconds.

Step-by-step explanation:

Speed is a magnitude that expresses the relationship between the space traveled by an object, the time used for it and its direction. In other words, speed is associated with the change in position of a body over time and can be expressed as:

$speed=\frac{distance}{time}$

Then the distance traveled can be expressed as:

distance=speed*time

(a) If x represents the total time that the roller coaster is in motion for each ride, the average speed is 61 feet per second and the distance is 3118 feet then the expression to represent the situation is:

3118=61*x

(b) To calculate the amount of time the roller coaster is moving, you simply need to solve the expression found in (a). Dividing 61 to both sides:

$\frac{3118}{61} =\frac{61*x}{61}$

51.11 seconds=x

The amount of time the roller coaster is in motion is 51.11 seconds.

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3 years ago

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VARVARA [1.3K]

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3 years ago

The slope of a given line is shown below. Find the slope of a line parallel to the given line and the slope of a line perpendicu

Sphinxa [80]

Answer:

The slope of a line parallel to the given line = 5

The slope of a line perpendicular to the given line = - 1/5

Step-by-step explanation:

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3 years ago

Use trigonometry to find the value of x in the picture above.

bagirrra123 [75]

sin(48°) = x / 1200ft. Multiply each side by 1200ft.

1200ft × sin(48°) = x.

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4 0

3 years ago