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Oksi-84 [34.3K]
4 years ago
14

A physical education class has 21 boys and 9 girls. Each day, the teacher randomly selects a team captain. Assume that no studen

t is absent. What is the probability that the team captain is a girl two days in a row?
The probability of choosing a captain that is a girl two days in a row is
9
%.
Mathematics
1 answer:
Fudgin [204]4 years ago
8 0

Answer:9%

U already provided the answer. Anyways have a good day!!

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Sophia works in a clothing store and earns $40 per day. She earns an extra $5 for each outfit she sells. If Sophia wants to earn
andrew-mc [135]

Answer:

In order to find this answer, you will need to be able to make an inequality.

Step 1: Sophia makes $40 so start with that. 40

Step 2: Sophia also makes $5 per every outfit that she sells, so add that plus your variable (n). 40+5n

Step 3: Determine if Sophia wants to make more, equal to or more, less, or less than or equal to than what she wants to make per day. 40+5n *draw a greater than or equal to sign.

Step 4: Sophia wants to make more than or equal to what she makes per day. You will need to find what she wants to make more than. In this she wants to make more than or equal to $70.

Equation: 40+5n *greater than or equal to sign* $70

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Sarah drives her car 133 miles in 285 minutes. What is her average speed in miles per hour?
borishaifa [10]

Answer:

28 miles per hour

Step-by-step explanation:

133 miles/285 minutes = 133 miles/4.75 hours = 28 miles/hour

4 0
2 years ago
A<br> D<br> P<br> 55°<br> С<br> (5x-35)°<br> B<br> What is the value of x?
Sholpan [36]

Answer:

18°

Step-by-step explanation:

5x-35 = 55°

5x = 55 + 35

5x = 90

X = 18°

7 0
2 years ago
What type of problems can always be solved using the law of cosines or sines?
laila [671]
Anytime you have a triangle (right triangles are preferred) where at least 2 angle measures and 1 side is known. Or, at least two sides and 1 angle measure. 

OR..... 3 sides or three angles are known. So, sines or cosines could be used at almost anytime to find the sides and angles of a triangle!
4 0
3 years ago
Find the midpoint of the segment with the following endpoints. (3, 2) and (9, 6)
myrzilka [38]

Answer:

The answer is

<h2>( 6 , 4 )</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x_1 + x_2}{2} , \:  \frac{y_1 + y_2}{2} )\\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(3, 2) and (9, 6)

The midpoint is

M = ( \frac{3 + 9}{2}  \:  , \:  \frac{2 + 6}{2} ) \\  = ( \frac{12}{2}  \: , \:  \frac{8}{2} )

We have the final answer as

<h3>( 6 , 4 )</h3>

Hope this helps you

5 0
4 years ago
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