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ozzi
4 years ago
6

How do i solve inequalities like this?

Mathematics
1 answer:
masha68 [24]4 years ago
6 0

Answer:

3<x<9

Step-by-step explanation:

you want to take it as 2 different inequalities and get X by its self. for example: 3<2x-3 and 2x-3<15. then put it back together

You might be interested in
A car is driving at 100 kilometers per hour. How far does it travel in 2 seconds?
Alisiya [41]

Answer:

\frac{1}{18}\ km  or  \frac{500}{9}\ m

Step-by-step explanation:

Remember that

1 hour=3,600 seconds

so

by using proportion

\frac{100}{3,600}\frac{km}{sec} =\frac{x}{2}\frac{km}{sec} \\ \\x=2*100/3,600\\ \\x=\frac{1}{18}\ km

Convert to meters

(1,000)*(\frac{1}{18})=\frac{500}{9}\ m

6 0
3 years ago
What is the value of the expression |-7| + |-4|
weqwewe [10]
Hey there,

Your question states: <span>What is the value of the expression |-7| + |-4|

Sense they both are absolute values, they are pretended to be as normal numbers. By simplifying this, your correct answer would be 11.

Hope this helps.
~Jurgen</span>
7 0
3 years ago
Question 1
viktelen [127]

Given:

The demand function is,

Q=-3p^2+2p+1970

The total revenue function is,

\begin{gathered} TR=p\times Q \\ TR=p\times(-3p^2+2p+1970) \\ TR=-3p^3+2p^2+1970p \end{gathered}

Answer:

TR=-3p^3+2p^2+1970p

3 0
1 year ago
Two numbers have an absolute value of 16 . Which of the two numbers is greater than 12. Can someone plz help me answer this ques
KATRIN_1 [288]

Answer:

16

Step-by-step explanation:

Absolute value means the modulus of a number.

-16 and 16 give an absolute value of 16

16 > 12

6 0
4 years ago
Express the statement "A rectangular field with an area of 120m' has it length 12mn longer than the width" as quadratic equation
navik [9.2K]

Answer:

The quadratic equation is x^2 -12x -120 = 0

where x represents the length of the field

Step-by-step explanation:

We want to make an expression in terms of a quadratic equation;

Let the length of the field be x mm , then the width will be (x-12) mm

Mathematically , the area of the field will be L * B

Thus;

x * (x-12) = 120

That gives;

x^2 -12x = 120

x^2 -12x -120 = 0

6 0
3 years ago
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