Numer 1 please and can u write an equation

Answers

Answer 1

Answer: 2. h=-9.4. 3. p=5/4. 4. k=75. 5. not true. 6.m=18. 7.t=-5/4 or t=-0.8

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Suppose that on a coordinate plane a hexagon is reflected across the x-axis. Compare the area of the original hexagon to the area of the transformed figure. Justify your answer. A) The areas may or may not be the same because the scale is not given. B) The areas are equal. A reflection is a rigid transformation, which does not change the size of the original hexagon. Therefore, the area is preserved. C) The area of the original hexagon is greater than the transformed figure. A reflection decreases the size of the original polygon. Therefore, the area is not preserved. D) The area of the transformed hexagon is greater than the original figure. A reflection increases the size of the original polygon. Therefore, the area is not preserved.

Answers

Reflection along x-axis is just a swapping of left and right sides. It does not change the size or area of the hexagon.

Hence, the correct option is B.

. Which algebraic expression is equivalent to the expression below?(18x + 11) - 4x
A.14x - 11
B.22x + 11
C.14x + 11
D.18x + 7

Answers

Since you are not distributing at all, you can ignore the parenthesis :)

When ignoring the parenthesis your equation is
18x + 11 - 4x

Then just combine like terms :)

14x + 11

Your answer is C.

Hope this helped!

Derrick's Dog Sitting and Darlene's Dog Sitting are competing for new business. Derrick's Dog Sitting charges $14 plus $5 per hour. Darlene's Dog Sitting charges $18 plus $3 per hour.54 42

Part 1 out of 2
Complete and solve the equation that can be solved to find the number of hours for which the total cost will be the same for the two services. In your equation, use x to represent the number of hours of dog sitting.

The equation is .
The total cost will be the same for the two services at hours.

Answers

Answer:

The Equation is $14+5x=18+3x$ .

The total cost will be the same for the two services at 2 hours.

Step-by-step explanation:

Given:

Fixed charge of Derrick = $14

Hourly charge of Derrick = $5

Fixed charge of Darlene = $18

Hourly charge of Darlene = $3

Let number of hours be 'x'.

Hence We can say that Total Charges of Derrick's Dog Sitting will equal to sum of Fixed charge of Derrick and Hourly charge of Derrick multiplied by Number of hours.

Framing in equation form we get;

Total Charges of Derrick's Dog Sitting = $14+5x$

Now We can say that Total Charges of Darlene's Dog Sitting will equal to sum of Fixed charge of Darlene and Hourly charge of Darlene multiplied by Number of hours.

Framing in equation form we get;

Total Charges of Darlene's Dog Sitting = $18+3x$

we need to find the number of hours used at which both the total cost would be same.

we can say;

Total Charges of Derrick's Dog Sitting = Total Charges of Darlene's Dog Sitting

$14+5x=18+3x$

Hence the Equation is $14+5x=18+3x$

On Solving the equation we will find the numbers of hours for the same we get;

Combining like terms

$5x-3x=18-14$

$2x=4$

Now dividing both sides by 2 using Division property we get;

$(2x)/(2)=(4)/(2)\n\nx=2$

Hence, The total cost will be the same for the two services at 2 hours.

The sum of y and two, all divided by five

Answers

Answer:7

Step-by-step explanation:

Divide, divides, divided by, the

quotient of, the ratio of, equal

amounts of, per

Divide x by 6

or x ÷ 6

7 divides x

or x ÷ 7

7 divided by x

or 7 ÷ x

solve the equation for x. show each step of the solution. name the justification for each step of the solution 9/2 (8-x) +36=102-5/2(3x+24)

Answers

1. You have the following equation:

$(9)/(2)(8-x)+36=102-(5)/(2) (3x+24)$

2. First, you must apply the Distributive property:

$(72)/(2)-(9x)/(2)+36=102-(15x)/(2)-(120)/(2)$

3. Simplify:

$36}-(9x)/(2)+36=102-(15x)/(2)-60$

3. Add the like terms:

$-(9x)/(2)+(15x)/(2)=102-60-36-36\n 3x=-30$

4. Solve for $x$ :

$x=-(30)/(3) \n x=-10$

Therefore, the answer is: $x=-10$

Mrs. Rowan allotted 30 minutes at the beginning of class for her students to complete an exam. The last student took 42 minutes to complete the exam. What is Mrs. Rowan's percent error?