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3 years ago

E Special Lines: Mastery Test

Mathematics

1 answer:

Strike441 [17]3 years ago

8 0

Answer:

Y=4/5

Step-by-step explanation:

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A jet flies at a rate of 1.3 * 10^6 feet per hour. Written in scientific notation, which is the best estimate of how many feet t

FromTheMoon [43]

To determine the distance covered by the jet in a given time, we simply multiply the rate or velocity of the jet to the time elapsed. It is important to take note of the units. It should be homogeneous. We calculate as follows:

1.3x10^6 x 2.8x10^3 = 3.64x10^9 ft

Hope this answers the question. Have a nice day.

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3 years ago

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PLEASE HELP ILL GIVE BRAINLIEST <br><br> Sides that are in the same relative position are called?

Marysya12 [62]

Answer:

Transformation that changes the size of a figure, but not the shape.

Step-by-step explanation:

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3 years ago

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MATH HELP 20 POINTS!!!

sesenic [268]

A) Variable = x ( miles Tim walked )

B) Tim walked X miles, Molly walked 4+x miles ( 4 more than Tim)

Equation: x + x+4 = 10

C) x +x+4 = 10

2x+4 = 10

2x =6

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Tim walked 3 miles, Molly walked 7 miles

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4 years ago

a roller coaster train with 6 passenger cars and the front decoration has a mass of 3500 kg. when the train has the front decora

irinina [24]

Answer: The mass of each passenger is 550 kg.

The mass of front decoration = 200 Kg.

Step-by-step explanation:

Let the mass of each passenger be 'x'.

Let the mass of front decoration be 'y'.

So, Number of passenger = 6

Mass of 6 passengers and front decoration = 3500 kg.

Number of passengers = 4

Mass of 4 passengers and front decoration = 2400 kg.

According to question, it becomes,

$6x+y=3500\\\\\implies y=3500-6x----------------(1)\\\\4x+y=2400\\\\\implies y=2400-4x---------------(2)$

so, From Eq(1) and Eq(2), we have,

$3500-6x=y=2400-4x\\\\3500-6x=2400-4x\\\\3500-2400=-4x+6x\\\\1100=2x\\\\x=\frac{1100}{2}=550$

Hence, the mass of each passenger is 550 kg.

The mass of front decoration = 3500-550(6)=200 Kg.

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3 years ago

The area of a rhombus is given by the formula A=1/2xy,where x and y are the lengths of the diagonals. If the diagonals of a rhom

Ivahew [28]

The area of the triangle would be 100 cm

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3 years ago