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2 years ago

Solve the following inequalities by expressing the solution in interval form and on the number line:

Mathematics

1 answer:

Nookie1986 [14]2 years ago

3 0

The value of x is from negative infinity to negative 3/7 and 29 to positive infinity.

<h3>What is inequality?</h3>

Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.

The inequality equations are given below.

a) - 9x + 7 > 16 + 12x

b) 18 + 13x < 14x - 11

Then

a) - 9x + 7 > 16 + 12x

Solving for x, we have

21x < -9

x < -3/7

The value of x is less than the negative of 3/7.

b) 18 + 13x < 14x - 11

Solving for x, we have

x > 29

The value of x is greater than 29.

More about the inequality link is given below.

brainly.com/question/19491153

#SPJ1

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There are 28 nonfiction books and 35 fiction books in the teacher's collection. Which of the following expresses the ratio of no

Lostsunrise [7]

The answer is B) 4:5

First write the ratio out. To find the simplified expression, divide by the greatest common factor (GCF). In this case, the GCF of 28 and 35 is 7.

28:35
--- ----
7 7
=4:5

4:5 is the simplest form because you cannot simplify it further.

5 0

3 years ago

Read 2 more answers

22.11 divided by 11?

Dimas [21]

Answer: 2.01

Explanation: I rounded 22.11 two 22. So when you divide it by eleven is 2. Then you divide 11 by 11. Which is one, and it seems it was in the hundreths place so you add a cero before the one.

5 0

3 years ago

Brianna has a container with a volume of 1.5 L she estimates the volume to be 2.1 m what is the percent error

Anuta_ua [19.1K]

<h3>Answer: 40%</h3>

===================================================

Work Shown:

Subtract the values to get 2.1-1.5 = 0.6

Brianna is off by 0.6 liters

Divide that error by the true value 1.5 to get 0.6/1.5 = 0.40

Then move the decimal point 2 spots to the right to arrive at 40%

Therefore, the percent error is 40%

------------------

The formula you can apply is:

$P = \frac{|G-T|}{T}*100\%$

where

P = percent error

G = guess value (in this case it is 2.1)

T = true value (which is 1.5 in this case)

If we were to apply the formula, then we get:

$P = \frac{|G-T|}{T}*100\%\\\\P = \frac{|2.1-1.5|}{1.5}*100\%\\\\P = \frac{|0.6|}{1.5}*100\%\\\\P = \frac{0.6}{1.5}*100\%\\\\P = 0.40*100\%\\\\P = 40\%\\\\$