MATHEMATICS HIGH SCHOOL

Please help asap 18 pts

Answers

Answer 1

Answer:

-8-11 = -19

The vertical lines are for the absolute value, which is always a positive number.

The answer would become 19.

The answer is D.

Answer 2

Answer:

Hi,

-8 - 11 = -19

The 2 lines at the beginning and the end equal the positive value of the number.

-19 ------> 19

Answer:

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Kareem Abdul-Jabbar scored a total of 38,387 points in his basketball career. What are Kareem's total points rounded to the nearest thousand?

Answers

Kareem scored around 3800 points

38000

Hope I helped xx

Suppose a spring with spring constant 7 N/m is horizontal and has one end attached to a wall and the other end attached to a 3kg mass. Suppose that the friction of the mass with the floor (i.e., the damping constant) is 3 N.s/m, and the forcing function is F(t) = 9sin (3t).

Answers

3x''+3x'+7x = 9sin 3t - to begin
then Use the method of undetermined coefficients $xp=Asin(3t)+Bcos(3t).$
Then you need to find x′p and x′′p and sub them into equation, that will help you to solve A and B.
$xp=Asin(3t)+Bcos(3t) x'p=3Acos(3t)−3Bsin(3t) x''p=−9Asin(3t)−9Bcos(3t)$
And finally you will have this :
3x′′+3x′+7x=9sin(3t)[−27Asin(3t)−27Bcos(3t)]+[9Acos(3t)−9Bsin(3t)]+[7Asin(3t)+7Bcos(3t)]=9sin(3t)(−20A+9B)sin(3t)+(−20B+9A)cos(3t)=9sin(3t)

A plant for a tea company has bagging machines capable of bagging 1000 bags of tea per minute. If the plant runs 24 hours a day, how many tea bags are produced in one day? The company produces ? Tea bags in one day of operation.

Answers

the company produces 1440000 tea bags in one day

Sam took his family to the zoo. An adult's ticket is two times the cost of a child's ticket. The total cost for two adults' tickets and three children's tickets was $28. How much do the tickets cost?

Answers

Hello,

Let x the cost of a child's ticket
2x is the cost of an adult's ticket

2*(2x)+3x=28
==>4x+3x=28
==>7x=28
==>x=4

2x=2*4=8

Proof:
2 adult's tickets: 2*8=16
3 child's tickets: 3*4=12
and 16+12=28.

Adult's ticket cost is 8
Child's ticket cost is 4

C=children's ticket. 2c=adult ticket. 2c+2c+c+c+c=$28. Add the c's: 4c+3c=$28. Keep adding/ 7c=$28. Divide by 7: c=$4. A children's ticket is $4 an adult ticket is $8 :)

Which of the following values are solutions to the inequality -5 ≤ x + 5? A) -7 B) -10 C) -3

Answers

Answer:

x ≥ -10

Step-by-step explanation:

We can solve the given inequality for the variable x by subtracting 5 from both sides:

-5 ≤ x + 5

- 5 - 5

-10 ≤ x

Optionally, we can swap the sides and flip the sign:

x ≥ -10

Further Note

The '≥' sign means "greater than or equal to", which means that the variable being compared can be either the exact value of the constant or anything greater than it.

Slope of (1,-2) and (-3,7)

Answers

Answer:

-4/9

Step-by-step explanation:

Slope formula: y2-y1/x2-x1

7-(-2)/-3-1

9/-4

-4/9

Best of Luck!

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