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3 years ago

Beth can swim 2 laps in 7 minutes what is Beth rate in minutes per lap

Mathematics

2 answers:

lys-0071 [83]3 years ago

8 0

Beth can swim 1 lap in 3 minutes and 30 seconds her rate in minutes would be
$\frac{1 lap}{3.5 minutes}$

Bond [772]3 years ago

4 0

The answer is 1 lap/3.5 minutes

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Find the length x to the nearest whole number. A right triangle has a vertical leg of length x units, a base leg with a length o

wel

Complete Question

The diagram for this question is shown on the first uploaded image

Answer:

The value of x is $x = 274 \ unites$

Step-by-step explanation:

From the question we are told that

The length of the vertical length is $x$

The length of the base leg is L = 330 + d units

The length of the bisecting line segment is h

The base angle is $\theta = 28^o$

The angle between d and line segment is $\theta_1 = 56^o$

For the first angle

$Tan \theta_1 = \frac{x}{d}$

=> $d = \frac{x}{Tan \theta _1}$

For the whole big triangle

$Tan \theta = \frac{x}{330 + d}$

=> $d = \frac{x}{Tan \theta } -330$

So equating the both d

$\frac{x}{Tan \theta _1} = \frac{x}{Tan \theta } -330$

Substitute values

$\frac{x}{Tan (56)} = \frac{x}{Tan (28) } -330$

$0.6745 x = 1.880x -330$

$1.20549 x = 330$

$x = 274 \ unites$

5 0

3 years ago

The faces of a fair cube are numbered 1 through 6; the probability of rolling any number from 1 through 6 is equally likely. If

Anika [276]

Answer:

1/12

Step-by-step explanation:

Probability of an even number

3/6 = 1/2

Probability of one showing up

1/6

Probably of even number on first try and 1 on second try

1/2 * 1/6 = 1/12

3 0

3 years ago

Express 3950000000 in scientific notation.

Nesterboy [21]

3.95*10^9 move the decimal to the left untill it is in between the last ans 2nd to last number

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3 years ago

PLSS HELP<br><br> -21-9<br> ———-<br> -5

Simora [160]

Answer:

reduce the expression and if possible do that by cancelling the common factors :)

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3 years ago

A rectangle has a length of 2 m and a width of 40 cm what is the perimeter of the rectangle ( show your work)

sweet [91]

Answer:

0.05 im pretty sure to my calcutor

Step-by-step explanation:

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3 years ago