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Hitman42 [59]
2 years ago
8

An airplane leaves New York to fly to Los Angeles. It travels 3,850 km in 5.5 hours. What is the velocity of the airplane?

Mathematics
1 answer:
Ilya [14]2 years ago
7 0

Answer:

C. 700 km/hour

Step-by-step explanation:

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What is the slope of a line that passes through (6,4) and (-1, 3)
pshichka [43]

Answer:

C) 1/7

Step-by-step explanation:

so idk what the formula is called but it looks like this:

y2-y1/x2-x1 and if you plug in the numbers then you'll get the answer

3 - 4/-1 - 6 = -1/-7 = 1/7

you can also switch the numbers your answer will always be the same

4 - 3/6 - (-1) = 1/7

so the answer is c

4 0
3 years ago
Sarah earned $73.50 Babysitting. She charges $3.50 per hour. We many hours did Saran baby-sit​
Mamont248 [21]
21 hours
73.50 x 3.50 = 21 hours
3 0
3 years ago
Expand and simplify 4(x+2)-3 (x-2)
rodikova [14]
Expand: 4x+8-3x+6
simplify: x+14
6 0
3 years ago
What is the equation of a line that is perpendicular to this line and goes through the
-Dominant- [34]

Answer:

x + 3y + 9 = 0

Step-by-step explanation:

y=3x + 2

Coefficient of x = 3

Gradient (m) of line y= 3x + 2 is 3

Since the line passing through point

(3,-4) is perpendicular to line y=3x + 2

hence gradient (m) of the line is -1/3;

And hence it equation is given as;

y - y1 = m(x - x1)

y - (-4) = -1/3(x - 3)

multiplying through by 3;

3 × y + 3 × 4 = 3 × -1/3(x - 3)

3y + 12 = -1(x - 3)

3y + 12 = -x + 3

x + 3y + 12 - 3 = 0

x + 3y + 9 = 0

5 0
3 years ago
The Capacity of a 1 cm cube is 1 mL. How many 1 cm ice cubes do you need to melt to fill a 1.5 L jar.
Svetach [21]

1500 ice cubes need to fill 1.5 L jar

Solution:

1 cm = 1 ml

Capacity of ice cube = 1 cm

                                   = 1 ml

Capacity of jar = 1.5 L

1 L = 1000 ml

1.5 L = 1.5 × 1000

       = 1500 ml

Capacity of jar = 1500 ml

$\text{Number of ice cubes} =\frac{\text{Capacity of ice cube}}{\text{Capacity of jar}}

                                $=\frac{1500}{1}

                                = 1500

Therefore 1500 ice cubes need to fill 1.5 L jar.

8 0
3 years ago
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