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3 years ago

Which situation can be simulated by rolling a six-sided die once?

Mathematics

2 answers:

AleksandrR [38]3 years ago

8 0

Answer:

A. Selecting one person from a group of four boys and two girls.

Step-by-step explanation:

A dice has six sides and here we have six people we're trying to choose from. If each person is assigned a number on the dice rolling the dice once will pick out of the six of them.

kkurt [141]3 years ago

7 0

Answer:

A and D

Step-by-step explanation:

A is pretty obvious becuase there are four girls and two boyd which add up to six

Now D would be correct because you have two options so you can split it up 50/50 to get your answer!

HOPE this helps you!

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2 If A= 4 3 find A1 using elementary row operations.

MA_775_DIABLO [31]

Answer: $A^{-1}=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]$

Step-by-step explanation:

$\left[\begin{array}{cc}2&1\\4&3\end{array}\right]=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]$

$\dfrac{1}{2}Row\ 1\rightarrow\left[\begin{array}{cc}1&\frac{1}{2}\\4&3\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\0&1\end{array}\right]$

$Row\ 2 -4 \ Row\ 1\rightarrow \left[\begin{array}{cc}1&\frac{1}{2}\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\-2&1\end{array}\right]$

$Row\ 1-\dfrac{1}{2}\ Row\ 2 \rightarrow \left[\begin{array}{cc}1&0\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]$

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3 years ago

Assume GDP is $19 billion. If consumer spending is $8 billion, financial investment is $2 billion, investment spending is $5 bil

Mila [183]

Answer W at -4 billion is the answer.

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3 years ago

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What figure is a dilation of Figure A by a factor of 1/2 ?

Liula [17]

hi im new how do i privatly chat on here?

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3 years ago

A group of 20 friends were going on a picnic 7 friends were playing basketball and 5 friends were having snacks if 2 friends wer

dlinn [17]

The problem statement tells you "7 friends were playing basketball".

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It appears 5 friends were only playing basketball, 2 friends were playing basketball and having snacks, and 3 friends were only having snacks. Apparently, 10 friends were doing neither of those activities.

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3 years ago

Solve by factoring square roots x^2 -49=0

aliina [53]

Answer:

X=7

Step-by-step explanation:

X = SQRT(49)

X = 7

Best regards

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3 years ago