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Veronika [31]
3 years ago
10

How can the vertical number line be used to add or subtract

Mathematics
1 answer:
deff fn [24]3 years ago
8 0

A vertical number line resembles a thermometer. It emphasizes that we count up in the number system.  Vertical number lines are just alternative way to look at the numbers.

This is commonly used in adding or subtracting

For example: 5 – 3

5 is the start, the sign determines whether you go down or go up, the minus sign denotes down then so the last number denotes how many steps you are going down where you land is the answer. The same goes with addition but instead of down, the plus sign denotes going up.

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At a local college 100 students were asked about their major fields of study. The results are shown below. What is the probabili
Oksanka [162]

Answer:

7/10

Step-by-step explanation:

To find the probability that a student is a liberal arts or female, we have to add together all of the people who were female or liberal arts majors in the study. If we add those together, (15 + 18 + 17 + 20) we get 70. 70/100 can be simplified to 7/10.

5 0
3 years ago
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Find the missing factor. 6x^2+7x-5=(3x+5)( )
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6x^2 + 7x - 5 = (3x + 5)(2x - 1)

Its 2x - 1
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3 years ago
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On the coordinate plane below, Point P is located at (2,-3), and point Q is located at (-4,4).
Semenov [28]

Answer:

Approximately 9 units.

Step-by-step explanation:

To find the distance between two ordered pairs, we can use the distance formula. The distance formula is:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2

Let (2,-3) be x₁ and y₁ respectively, and let (-4,4) be x₂ and y₂, respectively.

d=\sqrt{(-4-2)^2+(4--3)^2} \\d=\sqrt{(-6)^2+(7)^2} \\d=\sqrt{36+49} \\d=\sqrt{85}\approx9

7 0
3 years ago
Your hair is growing at 1 inch per month. You got your hair cut to 4 inches in length. Write and equation that gives the length
Korvikt [17]

Answer:

Your hair grows 2 to 4 inches in 4 months, 4 to 6 inches in 9 months, and 6 to 8 inches in a year. Though this is how the usual growth cycle works, it also depends on seasonal changes, hair and scalp health, medications, hormonal changes, and diet among other factors.

Step-by-step explanation:

7 0
2 years ago
Vera already owns 10 necklaces, and additional necklaces are priced at 2 for a dollar. How much money does Vera need to spend on
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Vera has 5 pairs of necklaces and wants to own 22 pairs. That means she needs to purchase 17 pairs at $1 per pair.

Vera needs to spend $17.

7 0
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