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3 years ago

There are 11 regular players and five substitute players on a professional soccer team how many players are on 15 soccer teams

Mathematics

1 answer:

8_murik_8 [283]3 years ago

7 0

The answer is 240. 16 players per team multiplied by 15 teams

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The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. Find

SOVA2 [1]

Answer:

0.505 = 50.7% probability of a negative test.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

142 + 6 = 148 people tested positive. Of those, 142 had the disease and 6 did not.

7 + 145 = 152 people tested negative. Of those, 7 had the disease and 145 did not.

Find the probability of getting someone who tests negative, given that he or she did not have the disease.

This is the probability of a negative test.

152 negative tests out of 148 + 152 = 300

152/300 = 0.507

0.505 = 50.7% probability of a negative test.

5 0

2 years ago

Determine the value(s) of h such that the matrix is the augmented matrix of a consistent linear system. [Start 2 By 3 Matrix 1s

Leni [432]

Answer: h = 9

Step-by-step explanation: A system of linear equations is consistent when it has at least one solution.

The matrix given is:

$\left[\begin{array}{ccc}-15&21&h\\5&-7&-3\end{array}\right]$

Transform this matrix in a row-echelon form:

$\left[\begin{array}{ccc}-15&21&h\\5&-7&-3\end{array}\right]$ $R_{2} = 3R_{2}+R_{1}$ $\left[\begin{array}{ccc}-15&21&h\\0&0&-9+h\end{array}\right]$

For this row-echelon form to have solutions:

-9 + h = 0

h = 9

For this system to be consistent: h = 9.

3 0

3 years ago

Johns goal is to have more then -7 dollars in his bank account by the end of the month.

Fudgin [204]

Answer:

Step-by-step explanation:

vhv

5 0

2 years ago

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What is the value of y? Enter your answer in the box. y =

Olenka [21]

Answer:

$y=40\°$

Step-by-step explanation:

we know that

An isosceles triangle has two equal sides and two equal angles

The two equal angles are called the base angles and the third angle is called the vertex angle

In this problem the triangle ABC is an isosceles triangle

$AB=AC$

$5x=40\°$

$x=8\°$

The sum of the internal angles of a triangle is equal to $180\°$

Find the value of y

$(2y+20)\°+2(40\°)=180\°$

$2y=180\°-20\°-80\°$

$2y=80\°$

$y=40\°$

6 0

3 years ago

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Please answer this question below.

Katarina [22]

In a theatre room, there are 4 rows of chairs. There are 4 columns of chairs. How many chairs are there in the theatre room?

4x4=16

There are 16 chairs in the theatre room.

5 0

3 years ago

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