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BigorU [14]
3 years ago
9

How do I calculate velocity?

Mathematics
1 answer:
makvit [3.9K]3 years ago
8 0

Answer:

v = Δs/Δt

Step-by-step explanation:

Velocity is equal to the displacement/distance (delta symbol s) over the change of time (delta symbol t).

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Find the area of the circle to the<br> nearest tenth. Use 3.14 for it<br> (11 mm)
Nikolay [14]

Answer:

The area of the circle is 379.94 mm²

Step-by-step explanation:

To solve this problem we need to use the area formula of a circle:

a = area

r = radius = 11 mm

π = 3.14

a = π * r²

we replace with the known values

a = 3.14 * (11 mm)²

a = 3.14 * 121 mm²

a = 379.94 mm²

Round to the nearest tenth

a = 379.94 mm² = 379.9 mm²  

The area of the circle is 379.9 mm²

4 0
3 years ago
Can someone plz help I do not know what I am doing
PolarNik [594]

the answer is D-n is greater then or equal to nine.

because the red dot starts on nine and goes up its greater than nine and because its on nine its also going to equal it. I had a problem getting the signs messed up when I learned it but I remember the sign always eats the greater number. I hope this answer could help and I'm sorry if the answer is incorrect.

3 0
3 years ago
Nick put 7 1/2 pounds of candy into 6 boxes, the same amount into each. What is the weight of the candy in each box?
zhenek [66]

7 1/2 / 6 = 1.25 pounds

Candy weight in each box = 1 1/4 pounds

6 0
3 years ago
Read 2 more answers
The Wright brothers flyer had a 48 inch wingspan Carla bought a model of of the plane with a scale factor of 1 to 40 what is the
notsponge [240]
\bf \cfrac{model}{actual}\qquad 1:40\qquad \cfrac{1}{40}=\cfrac{x}{48}\implies \cfrac{48\cdot 1}{40}=x
5 0
3 years ago
Consider the point P = (4,-1) and the line L, given by the equation y=2x+3.
3241004551 [841]

Answer:

A. y=2x-9

B. y=-\frac{1}{2}x+1

Step-by-step explanation:

A. Parallel lines have the same slope. That means the line y=2x+3 has the same slope as any line parallel to it. So the slope is 2.

Using m=2, substitute it and (4,-1) into the point slope form and simplify to find the y-intercept.

y-y_1 = m(x-x_1)\\y--1=2(x-4)\\y+1=2(x-4)\\y+1=2x-8\\y=2x-9

B. Perpendicular lines have slopes which are negative reciprocals of each other. The slope of the line y=2x+3 is 2. The slope perpendicular to it is -1/2.

Using m=-1/2, substitute it and (4,-1) into the point slope form and simplify to find the y-intercept.

y-y_1 = m(x-x_1)\\y--1=-\frac{1}{2}(x-4)\\y+1=-\frac{1}{2}(x-4)\\y+1=-\frac{1}{2}x+2\\y=-\frac{1}{2}x+1

6 0
3 years ago
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