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Harrizon [31]
3 years ago
10

1- A is a ratio that compares a number to 100. 2. A is an equation that shows that two ratios are equivalent. 3. In a one ratio

compares a part to a whole. 4. A number that can be written as a fraction is a H i . . p 5. The is the least common multiple of the denominators of two or more fractions.

Mathematics
1 answer:
Katarina [22]3 years ago
3 0
1. Percentage

2. Proportion

3. Fraction

4. Rational number (you are correct)

5. LCD (Least common multiple)
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klasskru [66]

Answer:

\frac{3}{4}a-\frac{1}{2}b-3

Step-by-step explanation:

Given the expressions: 4 -\frac{2}{3}b+\frac{1}{4}a $  and $ \frac{1}{2}a + \frac{1}{6}b - 7.

We add:

4 -\frac{2}{3}b+\frac{1}{4}a + \frac{1}{2}a + \frac{1}{6}b - 7\\\\$First, we reorder the terms$\\\\=4  - 7-\frac{2}{3}b+ \frac{1}{6}b+\frac{1}{4}a + \frac{1}{2}a \\\\=-3+(\frac{1}{6}-\frac{2}{3})b+(\frac{1}{4}+\frac{1}{2})a\\\\=-3-\frac{1}{2}b+\frac{3}{4}a\\\\=\frac{3}{4}a-\frac{1}{2}b-3

4 0
3 years ago
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The height of a cone is two times its base diameter. What is the volume of the cone in terms of its base radius r?
nydimaria [60]

Volume of the cone = (1/3) pi r^2 h

h = 2r  so substituting for h:-

V = (1/3) pi r^2 * 2r

V = (2/3) pi r^3

5 0
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25x2 + 5x
poizon [28]

Answer:

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Explaination:

take 5x common and simplify

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What is the domain and range of the following function
mel-nik [20]

Answer:

domain: (–∞,∞)    or  all real numbers

range: (–∞,∞)       or  all real numbers

Step-by-step explanation:

domain is left to right (x-axis). looking at the graph, as you go from left to right, the x-values are infinitely getting more negative and positive.

range is bottom to top (y-axis). as you go from bottom to top, the y-values are infinitely getting more negative and positive.

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What is the value of x
sergey [27]
X = 7 / sin(45)

x = 7 / sqrt(2)/2

x = 7 sqrt(2)
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