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3 years ago

Ayden's monthly bank statement showed the following deposits and withdrawals:

Mathematics

1 answer:

kumpel [21]3 years ago

3 0

$65.91 should be the account balance at the end of the month

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!!!!How many solutions does the equation have?

Margaret [11]

No solution bc the equations aren't equal to each other

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3 years ago

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Question 2

Pavel [41]

Answer:

Step-by-step explanation:

Given that :

2 out of every 5 people buys vanilla ice cream;

If Total number of ice cream sold in a day = 65 ; how many will be vanilla ;

Probability of purchasing vanilla ; p(vanilla) = 2/5 = 0.4

Hence, expected number who bought vanilla :

p(vanilla) * total number of icecream sold

0.4 * 65 = 26

Hence, about 26 of the 65 icecream sold are vanilla flavor.

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3 years ago

An amusement park charges an admission fee of 30 dollars for each person,

KiRa [710]

Is that it for the question or is there a picture?

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4 years ago

Which matrix is the product of a 3 × 3 identity matrix and the scalar 3?

Ludmilka [50]

Answer:

$\left[\begin{array}{ccc}3&0&0\\0&3&0\\0&0&3\end{array}\right]$

Step-by-step explanation:

In order to find out the resulting matrix, we will have to multiply the identity matric and the scalar 3:

The 3x3 identity matrix is:

$\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]$

Multiplying with scalar 3:

$3\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]$

The scalar will be multiplied by each element of the matrix.

Multiplying zeros with scalar 3 will give us zero. So the resulting matrix will be:

$\left[\begin{array}{ccc}3*1&0&0\\0&3*1&0\\0&0&3*1\end{array}\right] = \left[\begin{array}{ccc}3&0&0\\0&3&0\\0&0&3\end{array}\right]$

So the resultant matrix will be a scalar matrix with 3 at diagonal positions..

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3 years ago

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If “p: 2 + 2 =4 What is p? 02x2=4 02x2 + 4 2+2 = 4 02+2 4

olasank [31]

Answer:

Step-by-step explanation:

7 0

3 years ago