Mofor had $21 to spend on two notebooks. After buying them he had $13. How much did each notebook cost?
Answers
8/2 = 4
So, each notebook was $4.00.
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Which of the following are true? I. Two events are disjoint if they can’t both occur at the same time. II. Two events are independent if they have the same probability. III. An event and its complement have probabilities that always add up to 1.A) I onlyB) II only C) III only D) I and II onlyE) I and III only
Multiply. 2/10 x 20 = Express the product in the simplest formA. 40B.20C. 4D. 1/100
x = 10
x = y + 10
y = x + 10
Answers
x = 10
x = y + 10
y = x + 10
The following equations that best represents the axis of symmetry for the parabola shown is x = 10.
Final answer:
The axis of symmetry follows the x = h format, where h is the x-value of the vertex. Of the given options, only the equation 'x = 10' fits this format, thus it represents the axis of symmetry for the asked parabola.
Explanation:
The equation that represents the axis of symmetry for a parabola follows the format x = h, where h is the x-value of the vertex of the parabola. In this case, our options are: y = 10x, x = 10, x = y + 10, and y = x + 10. Looking at these options, only the equation x = 10 follows the correct format for an axis of symmetry. Therefore, this equation represents the axis of symmetry for the given parabola.
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Answers
Answer:
plato answer is A; getting a new pair of shoes
Step-by-step explanation:
9-2.5
Answers
Hello!
Answer:
Step-by-step explanation:
→ We want to simplify this expression:
◼ Simplify the square root:
◼ Simplify the multiplication:
◼ Simplify the subtraction:
◼ Simplify the addition:
Conclusion:
The expression 9 - 2.5 × 2 + ∛27 is equal to 7.
Answers
The expression that represents the cost of her bill last month would be 40 + 0.2t.
We have given that,
A cell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent.
We have to determine whether the expression represents the cost of her bill last month before any taxes or additional fees.
What is the tax?
Taxation refers to the act of levying or imposing a tax by a taxing authority. Taxes include income, capital gains, or estate.
The forty represents the forty dollars charged each month for unlimited calling, and the 0.2t represents the amount of money charged for her text messages.
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The forty represents the forty dollars charged each month for unlimited calling, and the 0.2t represents the amount of money charged for her text messages.
Answers
B. 1638
C. 81
D. 819
Answers
To calculate this, we will use both an addition and a multiplication rule. The addition rule is used to calculate the probability of one of the events from multiple pathways. If you want that only one of the events happens, you will use the addition rule. The multiplication rule calculates the probability that both of two events will occur.
First, there are two possibilities for winning exactly one match:
1. To win the first match and lose the second one.
2. To lose the first match and win the second one.
9% = 0.09 is the probability of winning. The probability of losing is 1-0.09 = 0.91. To calculate the probability of winning the first match and losing the second one and vice versa, we will use the multiplication rule:
1. 0.09 × 0.91 = 0.0819
2. 0.91 × 0.09 = 0.0819
We want to either one of these events to happen, so using the addition rule, we have:
0.0819 + 0.0819 = 0.1638
In 10,000 matches:
0.1638 × 10,000 = 1,638