3 years ago

24. Which of the following can be represented by the expression 3 +11?

Mathematics

1 answer:

ozzi3 years ago

6 0

Answer:

Step-by-step explanation:

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Eleven times the quantity of a number plus four

anyanavicka [17]

Step-by-step explanation:

Eleven times the quantity of a number plus four.

times ( · )

quantity ( ÷ ) or ( / )

Let n - the number

11 · (n ÷ (+4)) or 11 · n/(+4)

$11\cdot(n\div(+4))$

$11\cdot\dfrac{n}{+4}$

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3 years ago

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The sum of 7 and the cube of a number.

Norma-Jean [14]

Answer:

Step-by-step explanation:

7 + x^3

cube root is the power of 3

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2 years ago

Given that events A and B are independent with P(A) = 0.55 and P(B) = 0.72,

noname [10]

Answer:

Step-by-step explanation:

For independent events,

P(AB)=P(A)orP(B)

= P(A)uP(B)

=P(A)×P(B)

= 0.55×0.72

P(AB)=0.396

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2 years ago

Your bank balance is $102.35 and you've just made purchases for $20, $33.33, and $52.80. You then make deposits of $25 and $24.7

Dafna11 [192]

It is A because when you add the amount of your purchases and you subtract it from 102.35. You get a negative number. Then you add that negative number to 25 and 24.75.

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3 years ago

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Determine if the specified linear transformation is (a) one-to-one and (b) onto. Justify your answer. T: , T()(,),

xz_007 [3.2K]

Answer:

C. T is not one-to-one because the standard matrix A has a free variable.

Step-by-step explanation:

Given

$T(x_1,x_2,x_3) = (x_1-5x_2+4x_3,x_2 - 6x_3)$

Required

Determine if it is linear or onto

Represent the above as a matrix.

$T(x_1,x_2,x_3) = \left[\begin{array}{ccc}1&-5&4\\0&1&-6\\0&0&0\end{array}\right] \left[\begin{array}{c}x_1&x_2&x_3\end{array}\right]$

From the above matrix, we observe that the matrix does not have a pivot in every column.

This means that the column are not linearly independent, & it has a free variable and as such T is not one-on-one

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2 years ago