MATHEMATICS HIGH SCHOOL

A dry cleaner charges $5.00 to clean one item. He offers to clean a second item for $4.50, and a third for $4.00. If he continues to subtract $0.50 for each additional item, how much will it cost to clean six items? MARKING BRAINLEST IF HURRY

Answers

Answer 1

Answer: 5+4.5+4+3.5+3+2.5 = 22.5

Answer 2

Answer:

Answer:$2.50 to clean 6 items

Step-by-step explanation:

$5.00-0.5=$4.5= 2 items

$4.5-0.5=$4= 3 items

$4-0.5=$3.5= 4 items

$3.5-0.5=$3= 5 items

$3-0.5=$2.5= 6 items

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The ratio of boys to girls in a school is 5:4. if there are 180 students, how many girls are there?

Answers

Salutations!

The ratio of boys to girls in a school is 5:4. if there are 180 students, how many girls are there?

Let the number of girls and boys be 'x'.

$5x + 4x = 180$

Add 5 and 4

$9x = 180$

$x = 20$

Now, multiply the ratios by 20.

Boys = 20 × 5 = 100

Girls = 20 × 4 = 80.

There were 80 girls.

Hope I helped (:

Have a great day!

To convert a measurement, Pete must move the decimal point to the left 4 places. This a shortcut for the operation. which operation is he using? Which power of 10 is involved?

Answers

The operation that Pete is using is the operation of multiplying numbers by decimal numbers and the power of 10 involved is 4

If Pete must move a decimal point to the left in 4 places, then the operation she is using is the operation of multiplying numbers by decimal numbers.

Since the movement is to the left in 4 places, the power of 10 involves will be a 4

For example,

if we are to convert 0.56 say to scientific notation to the power of 4. We will need to move the decimal point to the left 4 times to have 0.000056 * 10^4

Hence the operation that Pete is using is the operation of multiplying numbers by decimal numbers and the power of 10 involved is 4

Learn more here: brainly.com/question/16236436

The moving of decimal to the left is a shortcut to the operation of multiplying number by decimal numbers. So the power of 10 that is involved in converting the measurements of pete is -4, so he needs to multiply the measurement by 10^-4 to convert it.

Plz help me out I’m so confused

Answers

Answer:

Step-by-step explanation:

Answer:

The correct answer would be the second option y-2=1/3(x-3)

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