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2 years ago

Alex swims 20 minutes per day for exercise. The total

Mathematics

1 answer:

sveticcg [70]2 years ago

5 0

Answer:

e total number of minutes, m.

Step-by-step explanation:

The dependent variable is the variable in which the variable cannot stand by itself.

In this situation, the total number of minutes, m, equal 20 times the number of d.

m = 20d

d, is a variable which can be multiplied which states that it has a value, no matter what. On the other hand, m, requires d, to be there in order to have a value.

The answer is, m, the total number of minutes.

Step-by-step explanation:

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A ball is launched into the sky at 54.4 feet per second from a 268.8 meter tall building. The equation for the ball’s height, h,

worty [1.4K]

Answer:

7.41

Step-by-step explanation:

Vertical component:

S = 268.8

U = 0

V =?

A = 9.8

T=?

S = ut + 0.5at^2. u = 0

268.8 = 0.5x9. 8xt^2

T = 7.41 seconds

5 0

2 years ago

Read 2 more answers

The mathematics department of a college has 15 male professors, 9 female professors, 6 male teaching assistants, and 12 female t

Vesnalui [34]

Given:

The number of male professors = 15.

The number of female professors = 9.

The number of male teaching assistants = 6.

The number of female teaching assistants = 12.

A person is selected randomly from the group.

Required:

We need to find the probability that the selected person is a professor or a male.

Explanation:

The total number of people in the group = 15+9+6+12 = 42

n(S) =The total number of people in the group

$n(S)=42$

Let A be the event that the selected person is a professor or a male.

The number of people who are professors or male = 15+9+6 = 30

n(A)= The number of people who are professors or male.

$n(A)=30$

Let P(A) be the probability that the selected person is a professor or a male.

$P(A)=\frac{n(A)}{n(S)}$ $P(A)=\frac{30}{42}$ $P(A)=\frac{15}{21}=\frac{5}{7}$

Final answer:

The probability that the selected person is a professor or a male is 5/7.

7 0

11 months ago

a right triangle has legs of lengths 6 and 2, what is the length of the hypotenuse to the nearest tenth

PolarNik [594]

Answer:

6.3

Step-by-step explanation:

$6^{2} + 2^{2} = x^{2}$

40 = $x^{2}$

$\sqrt{40} = \sqrt{x^{2} }$

x = 6.3

4 0

2 years ago

Read 2 more answers

Please help!<br> what is it

Dmitrij [34]

Answer:

105

Step-by-step explanation:

The interior angle for R is supplementary to the 155 degree angle

(they add to 180)

180-155=25

The sum of the interior angles of a triangle is always 180

180-50-25= 105

3 0

2 years ago

Xxx’s recipe from oatmeal muffins calls for 2 1/2 cups of oatmeal and makes one dozen muffins.

sasho [114]

Answer:18.75

Because if you combine each group of dozens you can then do 5x2.5 which equals 12.5 so then you do 1.5 of 2.5 and get 6.25

5 0

1 year ago