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Vera_Pavlovna [14]
3 years ago
5

A parachutist's speed during a free fall reaches 189 kilometers per hour. What isthis speed in meters per second?

Mathematics
1 answer:
Alex787 [66]3 years ago
8 0

10 meters per second

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20 POINTS
Alenkinab [10]

Answer:

the answer is a

Step-by-step explanation:

if you calculate 3 and42 you get 13 and if you calculate that to 10 you get 4

6 0
2 years ago
Read 2 more answers
whats 10+1000-2+2600+9000+2= im in 7th grade im doing thia cheap question to give brainliest out and freinds so if want brainlie
frosja888 [35]

Answer:

12610

Step-by-step explanation:

7 0
4 years ago
I need so.e help with this​
Flauer [41]

Answer:

(3,7) is not a solution

Step-by-step explanation:

You fill in the values x=3 and y=7 in both equations and see if you end up with something that is true.

-5·3 - 2·7 = 23 is not true, because it simplifies to -29 = 23

no need to look further, but if you would, the second equation is also false:

3 + 4·7 = -19 is also not true.

The real solution by the way is (-3, -4).

3 0
3 years ago
The length of a rectangle is 1 unit more than the width. The area of the rectangle is 56 units. What is the width in units of th
Mandarinka [93]

Answer:

Width = 7units

Step-by-step explanation:

The area of a rectangle

A = h * w

A - area of a rectangle

h - height of a rectangle

w - width of a rectangle

Or

A = length * breadth

It's all the same

Given :

h = 1 + w

w = w

A = 56

56 = ( 1 + w) * w

56 = ( 1 + w)w

56 = w + w^2

56 = w^2 + w

w^2 + w - 56 = 0

Find a factor that can be multiplied to give -56

and added to give + 1

The factor is 8 and -7

Substitute 8w - 7w for w

w^2 + 8w - 7w - 56 = 0

( w^2 + 8w) - (7w - 56) = 0

w( w + 8) - 7( w + 8) = 0

( w - 7) = 0

( w + 8) =0

w - 7 = 0

w = 7

w + 8 = 0

w = -8

Since a side of any rectangle can not be negative

w = 7

The width of the rectangle is 7units

The length of the rectangle is 1 + w = 1 + 7 = 8units

4 0
3 years ago
What are the x- and y-intercepts of the line 6x−y=10?
Elena-2011 [213]

Step-by-step explanation:

This equation is in Standard Form. To find the x and y intercepts, it is easier to convert it to slope-intercept form, or y = mx + b.

6x - y = 10

-y = -6x + 10

y = 6x - 10

In slope-interecept form, you can see that the y-int, b, is -10, the constant. To find x, set y to zero.

0 = 6x - 10

10 = 6x

10/6 = x

5/3 = x

3 0
3 years ago
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