MATHEMATICS HIGH SCHOOL

How do you write(−∞,8),(10,∞),as an inequality? A. x < 8 or x > 10
B. x < 10 or x > 8
C. x < 8 and x > 10
D. x < 10 and x > 8

Answers

Answer 1

Answer:

Answer:

The answer is the option A

$x< 8$ or $x>10$

Step-by-step explanation:

we know that

The interval -----> (-∞,8)

Is all real numbers less than $8$

$x<8$

The interval -----> (10,∞)

Is all real numbers greater than $10$

$x>10$

The expression (-∞,8) U (10,∞) represent the inequality

$x< 8$ or $x>10$

see the attached figure to better understand the problem

Answer 2

Answer: (−∞,8),(10,∞) is equal to x < 8 οr x > 10

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Answers

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Factor this trinomial completely. 2x2 + 6x + 4

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Answers

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Eduardo rented a bike from James' Bikes. It cost $19 plus $6 per hour. If Eduardo paid $49 then he rented the bike for how many hours?

Answers

So to solve this, you would have to write the equation, which is 49=6x+19

Then solve your equation.

49=6x+19
-19 -19
30=6x
/6 /6

5=x

So he rented it for 5 hours.

Final answer:

As per the given values, Eduardo rented the bike for 5 hours.

Explanation:

Fixed cost = $19

Total amount paid = $49

Cost of each hour = $6,

Finding the number of hours Eduardo rented the bike for -

= Total amount paid - fixed cost

= 49 - 19

= 30

This remaining amount represents the cost of the hours rented.

Calculating the number of hours -

= Total number of hours / Cost of each hour

= 30/6

= 5

So, Eduardo rented the bike for 5 hours.

Learn more about Renting a bike here:

brainly.com/question/29260073

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Greg drove 386 miles and used 20 gallons of gas.His car averaged how many miles per gallon?

Answers

386 divided by 20 is 19.3 so Greg averaged 19.3 miles per gallon.

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a cylinder with base are 169π ft^2 and a height twice the radius. what is the lateral area and surface area of the cylinder

Answers

$Area\ of\ base:A_B=169\pi\ ft^2\n\nA_B=\pi r^2\ \ \ (r-radius)\n\n\pi r^2=169\pi\ \ \ /:\pi\n\nr^2=169\n\nr=√(169)\n\nr=13\ (ft)\n\nH=2r\to H=2\cdot13=26\ (ft)$

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