How can you choose values for x when making a table of values representing a real world situation?

Answers

Answer 1

Answer: You'll see how to set up a table, choose appropriate x-values, plug those values into the equation.

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8x-9y+16x+12yHow do I solve this equation

Last year the enrollment of genoa middle school was 465 students. this year the enrollment is 525.

Answers

Answer:

The amount of change is 60

The percent of change is 13%, increase.

Step-by-step explanation:

Consider the provided information.

Last year the enrollment of genoa middle school was 465 students. this year the enrollment is 525.

The amount of change is: 525-465=60

That means this yr 60 more student get enrollment.

Now find the percentage change.

$\text{Percent of change}=\frac{\text{Amount of change}}{\text{Orignal amount}}$

Substitute the respective values:

$\text{Percent of change}=(60)/(465)\approx0.13$

$\text{Percent of change}=13\%$

Hence, the percent of change is 13% and percentage is positive so this is a percent of increase.

The enrollment Count Went Up By 60 Student Enrollments :3

Alexis washes 10 1/2 windows in 3/4 hour. At this rate, how many windows can she wash in an hour ?

Answers

Find 'per hour' here based on the above information.

10 1/2 divided by 3/4

10.5 ÷ 0.75 = 14

14 windows can be washed in one hour is the answer.

PLEASE HELP ASAP!!!!Hugo is writing a coordinate proof to show that the midpoints of a quadrilateral are the vertices of a parallelogram. He starts by assigning coordinates to the vertices of quadrilateral RSTV and labeling the midpoints of the sides of the quadrilateral as A, B, C, and D. Quadrilateral R S T V in a coordinate plane with vertex R at 0 comma 0, vertex S in the first quadrant at 2 a comma 2b, vertex T also in the first quadrant at 2 c comma 2 d, and vertex V on the positive side of the x-axis at 2 c comma 0. Point A is between points R and S, point B is between points S and T, point C is between points T and V, and point D is between points R and V. Enter the answers, in simplified form, in the boxes to complete the proof. The coordinates of point A are ( , ). The coordinates of point B are ( , ). The coordinates of point C are (2c, d) . The coordinates of point D are (c, 0) . The slope of both AB¯¯¯¯¯ and DC¯¯¯¯¯ is . The slope of both AD¯¯¯¯¯ and BC¯¯¯¯¯ is −bc−a . Because both pairs of opposite sides are parallel, quadrilateral ABCD is a parallelogram.

Answers

Answer:

Step-by-step explanation:

R(0,0)

A=((0+2a)/2,(0+2b)/2)=(a,b)

S(2a,2b)

B=((2a+2c)/2,(2b+2d)/2)=(a+c,b+d)

T(2c,2d)

C=((2c+2c)/2,(2d+0)/2)=(2c,d)

V(2c,0)

D=((2c+0)/2,(0+0)/2)=(c,0)

R(0,0)

slope of AB=(b+d-b)/(a+c-a)=d/c

slope of DC=(d-0)/(2c-c)=d/c

slope of AD=(0-b)/(c-a)=-b/(c-a)

slope of BC=(d-b-d)/(2c-a-c)=-b/(c-a)

Evaluate : (25)^1/2. Please solve.

Answers

Answer: 5

Use formula:
$\textbf{a^{(m)/(n)} = \sqrt[n]{a^(m)}}$

Then you’ll get:

, and this is equal to 5.

Tanya bought three adult tickets and one children's ticket to a movie for 24.60 Li bought five adult tickets and four children's tickets for 50.10 . Find the cost of one adult ticket and the cost of one children's ticket.

Answers

Answer:

adult tickets 6.9

children tickets 3.9

Step-by-step explanation:

3x + y = 24.60 L1

5x + 4y = 50.10 L2

5L1 - 3L2

15x + 5y = 123

-15x - 12y = -150.3

-7y = -27,3

y = -27,3/-7

y = 3.9

3x + y = 24.60

3x + 3.9 = 24.60

3x = 24.60 - 3.9

3x = 20.7

x = 20.7 / 3

x = 6.9

Write as a single exponent. 1. ( 1/10 x 1/10 x 1/10 x 1/10 )^2
2. ( 1/10 x 1/10 x 1/10 )^3
3. ( 10 x 10 x 10 )^-2

Answers

Step-by-step explanation:

1. (1/10 × 1/10 × 1/10 × 1/10)^2

(10^-4)^2

10^-8

2. (1/10 × 1/10 × 1/10)^3

(10^-3)^3

10^-6

3. (10 × 10 × 10)^-2

(10^3)^-2

10^-6

Question

Write as a single exponent.

1. ( 1/10 x 1/10 x 1/10 x 1/10 )^2

2. ( 1/10 x 1/10 x 1/10 )^3

3. ( 10 x 10 x 10 )^-2

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College BoardThe number of hours of daylight, d, in Hartsville can be modeled by d = (35/3) + (7/3) (sin((2π/365)t)), where t is the number of days after March 21. The day with the greatest number of hours of daylight has how many more daylight hours than May 1? (March and May have 31 days each. April and June have 30 days each.)A. 0.8 hrB. 1.5 hrC. 2.3 hrD. 3.0 hrE. 4.7 hr