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navik [9.2K]
3 years ago
7

X+2 x²+1 What’s the answer

Mathematics
1 answer:
Ivan3 years ago
8 0

Answer:

3x^2+1

Step-by-step explanation:

combine terms

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Classify the angle pair using all names that apply
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What does 1/4 of a can of coffee cost if 4 cans of coffee cost $1.60
Arte-miy333 [17]

We know that 4 cans of coffee cost $1.60. So, if we divide that number by 4, we get

4\text{ cans of coffee} = 1.60 \iff \dfrac{4\text{ cans of coffee}}{4} = \dfrac{1.60}{4} \iff 1 \text{ can of coffee} = 0.4

Now we can simply repeat this process again: if we divide both sides by 4, we get

1 \text{ can of coffee} = 0.4 \iff \dfrac{1 \text{ can of coffee}}{4} = \dfrac{0.4}{4} \iff \dfrac{1}{4}\text{ cans of coffee} = 0.1

5 0
4 years ago
Simplify -2x+7=15, i need help understanding why it is -4
yulyashka [42]

Answer:

-4

Step-by-step explanation:

Step 1: Subtract 7 from both sides.

−2x+7−7=15−7

−2x=8

Step 2: Divide both sides by -2.

−2x

−2

=

8

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3 0
3 years ago
The PSTAT Department at UCSB has developed a Markov model to simulate graduation rates in their programs. Students might drop ou
goldfiish [28.3K]

Answer:

State space

S=\{F,So,J,Sr,G,D\}

Transition probability matrix

\begin{bmatrix} & F & So&J&Sr&G&D\,\\ F &0.03&0.91&0&0&0&0.06\,\\So&0&0.03&0.91&0&0&0.06\\J&0&0&0.03&0.93&0&0.04\\ Sr&0&0&0&0.03&0.93&0.04\\G&0&0&0&0&1&0\\D&0&0&0&0&0&1\end{bmatrix}

The transition graph is attached.

Step-by-step explanation:

The state space for this Markov chain is all the possible states that the variable can take.

In this case the student can be: Freshman, Sophomore, Junior, Senior, Graduate and Drop out

S=\{F,So,J,Sr,G,D\}

The transition probability matrix for this state space is:

\begin{bmatrix} & F & So&J&Sr&G&D\,\\ F &0.03&0.91&0&0&0&0.06\,\\So&0&0.03&0.91&0&0&0.06\\J&0&0&0.03&0.93&0&0.04\\ Sr&0&0&0&0.03&0.93&0.04\\G&0&0&0&0&1&0\\D&0&0&0&0&0&1\end{bmatrix}

The transition graph is attached.

7 0
3 years ago
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