3i (- 1 + 2i) Remove the brackets.
3i (-1) + (2i)(3i) Look at the first set of brackets around the -1
-3i + 6i^2 But i^2 = - 1[ I hope that's the way you are using it]
-3i - 6 or -6 - 3i or -3(2 - i) <<<<< answer
Answer:
P(blue) = 0.33
P(green) = 0.14
P(purple) = 0.24
P(yellow) = 0.29
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
In this question, we have that:
7+3+6+5 = 21 tils.
7 of them are blue. So
P(blue) = 7/21 = 0.33
3 of them are green. So
P(green) = 3/21 = 0.14
6 of them are yellow. So
P(yellow) = 6/21 = 0.29
5 of them are purple. So
P(purple) = 5/21 = 0.24
The formula can be used to determine how many students are required to earn $1,500 in profit.t:
5.n - 100 - 200 = 1500.
<h3>What is linear equation?</h3>
An equation is deemed to be linear if a variable's maximum power consistently equals 1. Another name for it is a one-degree equation. The form of the linear equation Ax + B = 0 is standard for one-variable linear equations. In this instance, as well as A are variables while B is a constant.
Ax + By = C is the standard form of a two-variable linear equation. This equation contains the variables x and y, the coefficients Both a B, as well as the constant C.
<h3>According to the given data:</h3>
Given that the no. of students is n.
DJ charge - $200 Decorations cost - $100
Charge each student should pay - $5.00
Therefore the equation that find the no. of students to make a profit of $1,500.5.n - 100 - 200 = 1500
To learn more about linear equation visit:
brainly.com/question/2030026
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Answer: x=21
Step-by-step explanation:
To solve for x you must first combine you like terms on each side of the equal sign. So you problem will become 8x+1=22+7x. Then get your x on one side and your numbers on the other by taking the one away from the right side and 1 away from 22. Then take away 7 from the left side to cancel it out. Then take 7x away from 8x to leave you with x. making your answer x=21
Answer:
<u>The honey costs US$ 0.45 per ounce</u>
Step-by-step explanation:
1. Let's review the information given for solve the question:
Cost of the honey at the supermarket = US$ 5.40
Weight of the honey bought by the customer = 12 ounces
2. This is the formula to find out the cost per ounce:
Cost per ounce = Cost of the honey/Weight of the honey bought by the customer
Cost per ounce = 5.40/12
Cost per ounce = 0.45
<u>The honey costs US$ 0.45 per ounce</u>
