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3 years ago

How do you solve the equation 8-5w= -37

Mathematics

2 answers:

Natalka [10]3 years ago

8 0

8-5w=-37
-8 -8
-5w= -37 - 8
-5w= -45
The answer is
W=9

loris [4]3 years ago

4 0

Answer:

w=25/4=6.50

Step-by-step explanation:

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$p = \frac 1{12}$

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<h3>(b) How to calculate the expected score</h3>

This is calculated using the following expected value formula

$E(x) = \sum x * P(x)$

So, we have:

$E(x) = -3 * \frac{3}{12} -1 * \frac 1{12} + 0 * \frac 4{12} + 1 * \frac 2{12} + 2 * \frac 1{12} + 4 * \frac 1{12}$

Evaluate the products

$E(x) = -\frac{9}{12} - \frac 1{12} + \frac 2{12} + \frac 2{12} + \frac 4{12}$

$E(x) = -\frac 2{12}$

Simplify

$E(x) = -\frac 1{6}$

Hence, the expected score of the game is -1/6

<h3>(c) The probability that she has a total score of 5 after two rounds</h3>

From the table, we have:

$P(5) = 0$

For after two rounds, we make use of the following equation

$P(5) * P(5) = 0 * 0$

$P(5) * P(5) = 0$

Hence, the probability that she has a total score of 5 after two rounds is 0

How do you solve the equation 8-5w= -37​

How do you solve the equation 8-5w= -37