Do you flip the inequality sign if you do the following:

2 answers:

6 0

So the question ask to determine if the following procedures flip the inequality sign if they would do the procedure and the answer would be the following:
1 no sign change
2 sign doesnt change
3 may or may not flip or change
4 may or may not flip or change
5 may or may not flip or change

castortr0y [4]3 years ago

4 0

No for all of them. you only switch the signs when you multiply or divide by a negative number

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Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k) she can drive with 12 li

masya89 [10]

Answer:

132 kilometers

Step-by-step explanation:

Given: Pamela drove her car 99 kilometers and used 9 liters of fuel.

To find: Number of kilometers Pamela drove in 12 liters of fuel.

Solution:

It is given that Pamela drove her car 99 kilometers and used 9 liters of fuel. Also the relationship between kilometers and fuel is proportional.

So, let us assume that she can travel x kilometers in 12 liters of fuel.

By proportionality we have,

$99:9 :: x:12$

$\frac{99}{9} =\frac{x}{12}$

$11=\frac{x}{12}$

$x=12\times11$

$x=132$

Hence, she can travel 132 kilometers in 12 liters of petrol.

7 0

3 years ago

Read 2 more answers

4/8/9 as an improper fraction.

olga nikolaevna [1]

9 × 4 + 8
= 36 + 8
= 44/9

8 0

3 years ago

2/5x = -3/15 + 1/x x=0 x=15 x=5 x=3

Taya2010 [7]

Answer:

x = 3

Step-by-step explanation:

$\dfrac{2}{5x}=-\dfrac{3}{15}+\dfrac{1}{x}\\\\\dfrac{1}{5}=\dfrac{5-2}{5x}\qquad\text{add $\frac{3}{15}-\frac{2}{5x}$}\\\\x=3\qquad\text{multiply by 5x}$