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3 years ago

Jerome, Kevin, and Seth shared a submarine sandwich.

1 answer:

6 0

Seth at 1 - 1/2 - 1/3 = 1/6 of the sandwich.

Therefore the ratio is:

1/2 : 1/3 : 1/6

Multiply everything by 6:

3: 2: 1 D

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Tanisha and Rebecca are signing up for a new cell phone plan to only charge for the number of minutes and everything else includ

xeze [42]

Answer:

see the explanation in the procedure

Step-by-step explanation:

The complete question is

Tanisha and Rebecca are signing up for the new cellphone plans that only charge for the number of minutes and everything else is included in a monthly fee. Their plans are as follows:

Tanisha s Plan: $0.15 per minute used talking and a $25 monthly fee

Rebecca s Plan: $0.10 per minute used talking and a $18.50 monthly fee

After how many minutes will the two plans charge the same amount?

Let

x ----> the number of minutes

y ---> the total charge in dollars

we know that

Tanisha s Plan

$y=0.15x+25$ -----> equation A

Rebecca s Plan

$y=0.10x+18.50$ -----> equation B

To find out after how many minutes will the two plans charge the same amount, equate equation A and equation B

$0.15x+25=0.10x+18.50$

solve for x

$0.15x-0.10x=18.50-25$

$0.05x=-6.5$

$x=-130\ min$

therefore

They will never pay the same amount , because the time cannot be a negative number.

Rebecca s Plan is better than Tanisha s Plan because it has smaller fee and less cost per minute

4 0

4 years ago

Which of the following is not in scientific notation?

SSSSS [86.1K]

Answer:

I believe the answer would be 61.2 x 10^4

Step-by-step explanation:

61.2 > 10

4 0

3 years ago

When Han makes chocolate milk, he mixes 2 cups of milk with 3 tablespoons of chocolate syrup. Here is a table that shows how to

Korvikt [17]

Answer:

Part a) The table shows a proportional relationship between tablespoons of chocolate syrup and cups of milk

Part b) The scale factor is 1.5

Part c) The constant of proportionally for this relationship is 1.5

Part d) The units for the constant of proportionality are tablespoons of chocolate syrup per cups of milk

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line

Let

x ----> the quantity of cups of milk

y ----> the quantity of tablespoons of chocolate syrup

k ---> the constant of proportionality

For y=3, x=2 -----> $k=\frac{y}{x}=\frac{3}{2}=1.5$

For y=12, x=8 -----> $k=\frac{y}{x}=\frac{12}{8}=1.5$

For y=3/2, x=1 -----> $k=\frac{y}{x}=\frac{(3/2)}{1}=1.5$

For y=15, x=10 -----> $k=\frac{y}{x}=\frac{15}{10}=1.5$

therefore

The table shows a proportional relationship between tablespoons of chocolate syrup and cups of milk

The linear equation is

$y=1.5x$

That means----> The the quantity of tablespoons of chocolate syrup is 1.5 times the quantity of cups of milk

The scale factor is equal to the ratio between tablespoons of chocolate syrup and cups of milk. Is equal to the constant of proportionality k

The scale factor is 1.5

The constant of proportionality is 1.5

The units for the constant of proportionality are tablespoons of chocolate syrup per cups of milk

$\frac{tablespoons\ of\ chocolate\ syrup}{cups\ of\ milk}$

3 0

3 years ago

Please help!!!!!!!!!!!!!!!!

kompoz [17]

Answer:

TRUE

Step-by-step explanation:

The answer is TRUE.

7 0

3 years ago

8. John measured the diameter of four steel rods. Compare his measurements below. Which one is the

mylen [45]

8)
B. 0.25 inches

9)
A. $438.81

8 0

3 years ago