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3 years ago

How long will it take an airplane to travel 2000 miles if it flies 200 miles per hour, 400miles per hour, and 600 miles per hour

Mathematics

1 answer:

Dima020 [189]3 years ago

8 0

Answer:

200 = 10 Hours, 400 = 5 Hours, 600 = 3 Hours & 18 Minutes.

Step-by-step explanation:

2000 / How many miles it travels per hour.

2000 / 200 = 10

2000 / 400 = 5

2000 / 600 = 3.3..

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State the equation of the line which has the y-intercept :

aliina [53]

Answer:

A general line is written as:

y = a*x + b

where:

a is the slope

b is the y-intercept.

a) y-intercept = 2 and slope = 7.

This line is:

y = 7*x + 2

b) y-intercept = -1 and is parallel to y= 5x - 7.

Now, if two linear equations are parallel if they have the same slope and different y-intercept. Then if we want a line parallel to y= 5x - 7, this means that the slope of this line must also be equal to 5.

y = 5*x + (-1)

c) y-intercept 2 and is inclined at 45° to the x- axis.

When we have an inclination of A degrees from the x-axis, the slope of the equation is given by: a = Tan(A)

In this case, we have A = 45°

Then the slope is a = Tan(45°) = 1

Then the equation of this line is:

y = 1*x + 2

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3 years ago

A water tank in the shape of a right cylinder has a diameter of 14 feet and a height of 18 feet. What is the volume?

Doss [256]

Volume = (pi 3.14)(r^2)(h)

(3.14)(49)(18)

(153.86)(18)

2769.48

7 0

3 years ago

PLEASE HELP ASAP 20 POINTS!!!!!!

tankabanditka [31]

Number 1.
Subtracting Negative Is The Same As Adding.
So, It Would Be Equivalent To A
Number 2:
Subtracting From A Negative Is Making The Negative Number Larger.
So, It Would Be A
Number 3:
Positive Plus Positive Makes Larger Positive:
37 + 13 = 50.
So, 3 Is D.
Number 4:
Adding Negative Is Making Positive Numbers Smaller.
So, It Is C.
Number 5:
This Is C, Because -30 + 30 = 0 + 1 = 1

4 0

3 years ago

Read 2 more answers

What is 145.4 - 140.02 ?

Assoli18 [71]

Answer:

5.38

Step-by-step explanation:

145.4 - 140.02 = 5.38

3 0

3 years ago

Read 2 more answers

What is the translation from quadrilateral IJK to quadrilateral I'J’K’

liberstina [14]

Answer:

The translation from triangle IJK to triangle I'J'K' is $T_{(2, 6)}$ which is 2 units to the right and 6 units up

Step-by-step explanation:

The coordinates of triangle JKI are;

J has coordinates (1, - 1)

K has coordinates (1, - 4)

I has coordinates (-3, - 2)

While, the coordinates of translation triangle J'K'I' are;

J' has coordinates (3, 5)

K' has coordinates (3, 2)

I' has coordinates (-1, 4)

Which give the translation as follows

Translation in the y-coordinate (y values);

For J = 5 - (-1) = 6

For K = 2 - (-4) = 6

For I = 4 - (-2) = 6

Translation in the x-coordinate (x values);

For J = 3 - 1 = 2

Therefore, the translation from triangle IJK to triangle I'J'K' is T(2, 6) which is 2 units to the right and 6 units up

6 0

3 years ago