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steposvetlana [31]
3 years ago
5

Nancy's 50-meter freestyle swim time was 28.004 seconds. Betty’s 50-meter freestyle swim time was 27.949 seconds. What was the d

ifference between Nancy's and Betty's swim times?
Mathematics
2 answers:
loris [4]3 years ago
6 0
The difference between the 2 times would be .055 seconds...
cluponka [151]3 years ago
5 0
28.004-27.949=0.055. "Difference" refers the operation of subtraction, so you just subtract the smaller value from the larger to find the difference
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erastova [34]

Answer:

14

Step-by-step explanation:

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3 years ago
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Solve the equation: 2/3x+1/4=3
Lady_Fox [76]

Answer:

x = 33/8

Step-by-step explanation:

2/3 x + 1/4 = 3

Subtract 1/4 from both sides.

2/3 x = 3 - 1/4

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3 years ago
Two functions are defined as shown.
maxonik [38]

Answer:

Graph (2).

Step-by-step explanation:

Given question is incomplete: Find the complete question in the attachment.

Given : f(x) = -\frac{1}{2}x-2

            g(x) = - 1

To find : The graph showing f(x) = g(x)

If the given functions f(x) = g(x)

-\frac{1}{2}x-2=-1

-\frac{1}{2}x=-1+2

-\frac{1}{2}x = 1

x = -2

That means both the functions have the same value at x = -2

f(-2) = g(-2) = -1

In other words, both the lines will intersect at a point (-2, -1).

From the given graphs,

Graph number (2) shows the required results.

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satela [25.4K]

Answer:

21

Step-by-step explanation:

everyone likes 21

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The area of a rectangle gets reduced by 9 square units if its length is reduced by 5 units and the breadth is increased by 3 uni
ale4655 [162]

length = 17 units, breadth = 9 units

Step-by-step explaination:-

Let the length and the breadth of the rectangle be x units and y units respectively.

Then the area of rectangle = xy square units

According to given conditions, we have

(x -5)(y + 3) = xy - 9 and (x + 3)(y + 2) = xy + 67

=> xy + 3x - 5y - 15 = xy - 9

and xy + 2x + 3x + 6 = xy + 67

=> 3x - 5y - 6 = 0......eqn(i)

and 2x + 3y - 61 = 0.....eqn(ii)

Multiplying equation (i) by 2 and equation (ii) by 3, we get...

6x - 10y - 12 = 0....eqn(iii) and,

6x + 9y - 183 = 0....eqn(iv)

Subtracting equation (iii) from equation (iv), we get...

19y - 171 = 0 => y = 9.

Substituting this value of y in equation (ii), we get

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Hence, the length of rectangle = 17 units and

breadth = 9 units.

<h3>Hope it helps you!!</h3>
5 0
2 years ago
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