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3 years ago

8

Y = 2x + 3

1 answer:

Zanzabum3 years ago

8 0

Answer:

the answer is b

Step-by-step explanation:

because if your are going with the y axis and x axis you add both of them up and the last number would be 5

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Find -4A+8B (Picture provided)

Anarel [89]

Answer:

Option C

Step-by-step explanation:

We are given two matrices A and B and we have to calculate the value of the expression -4A + 8B. Each element of matrix A will be multiplied by -4 and each element of matrix B will be multiplied by 8. The corresponding elements of the resulting matrices will be added.

$-4A+8B=-4\times\left[\begin{array}{ccc}-4&-4&1\\1&4&7\\2&3&3\end{array}\right] +8\times\left[\begin{array}{ccc}2&9&-9\\8&8&-2\\4&10&1\end{array}\right] \\\\\\ -4A+8B=\left[\begin{array}{ccc}16&16&-4\\-4&-16&-28\\-8&-12&-12\end{array}\right] +\left[\begin{array}{ccc}16&72&-72\\64&64&-16\\32&80&8\end{array}\right]\\\\ \\ -4A+8B=\left[\begin{array}{ccc}32&88&-76\\60&48&-44\\24&68&-4\end{array}\right]$

Therefore, option C gives the correct answer.

8 0

3 years ago

What is the answer to the math problem 5+9(2+4)?

IceJOKER [234]

Answer:

59

Step-by-step explanation:

Simplify the following:

5 + 9 (2 + 4)

2 + 4 = 6:

5 + 9×6

9×6 = 54:

5 + 54

5 + 54 = 59:

Answer: 59

6 0

3 years ago

Read 2 more answers

in a certain game, a fair die is rolled and a player gains 20 points if the die shows a 6. if the die does not show a 6, the pla

BaLLatris [955]

The expected gain or loss is an illustration of mean and expected values.

The expected total gain is 83 points

The given parameters are:

Addition of 20 points for rolling a 6
Removal of 3 points for not rolling a 6

The probability of rolling a 6 in a fair die is 1/6.

The probability of not rolling a 6 in a fair die is 5/6.

So, the expected gain in each game is:

$\mathbf{E(x) = 20 \times \frac 16 - 3 \times \frac 56}$

$\mathbf{E(x) = \frac{20}6 - \frac{15}6}$

Take LCM

$\mathbf{E(x) = \frac{5}6}$

$\mathbf{E(x) = 0.83}$

The number of games is 100.

So, the expected gain is:

$\mathbf{Gain = 100 \times 0.83}$

$\mathbf{Gain = 83}$

Hence, the expected total gain is 83 points

Read more about expected value at:

brainly.com/question/13499496

5 0

3 years ago

Find the missing value to the nearest hundredth.<br> Sn<br> UL<br> 85.41°<br> 4.59°<br> 64.71°

egoroff_w [7]

Answer: Im pretty sure is A 4.57

Step-by-step explanation:

8 0

3 years ago

3.8b-7 + -2.9b+9 <br>Add the two expressions

mr_godi [17]

0.9b + 2 is the correct answer

3 0

3 years ago