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Veronika [31]
3 years ago
5

Given the following information, choose the brand that is the better buy. Brand A: $2. 16 for 18 ounces Brand B: $1. 50 for 12 o

unces Brand C: $2. 26 for 20 ounces Brand D: $1. 95 for 16 ounces a. Brand A b. Brand B c. Brand C d. Brand D Please select the best answer from the choices provided A B C D.
Mathematics
1 answer:
topjm [15]3 years ago
8 0

Using the division rule, the better buy is that Brand C gives 8.85 ounces for $1. Then the Brand C is better than Brand A, Brand B, and Brand D.

<h3>What is division?</h3>

The division means the separation of something into different parts, sharing of something among different people, places, etc.

Given

The brand that is the better buy.

1.  Brand A: $2.16 for 18 ounces

So in $1, the ounces will be

\rm Brand\ A = \dfrac{18}{2.16}\\\\Brand \ A = 8.33

Brand A gives 8.33 ounces for $1.

2.  Brand B: $1.50 for 12 ounces

So in $1, the ounces will be

\rm Brand\ B = \dfrac{12}{1.5}\\\\Brand \ B= 8

Brand B gives 8 ounces for $1.

3.  Brand C: $2.26 for 20ounces

So in $1, the ounces will be

\rm Brand\ C= \dfrac{20}{2.26}\\\\Brand \ C= 8.85

Brand C gives 8.85 ounces for $1.

4.  Brand D: $1.95 for 16 ounces

So in $1, the ounces will be

\rm Brand\ D= \dfrac{16}{1.95}\\\\Brand \ D= 8.21

Brand D gives 8.21 ounces for $1.

Thus, Brand C gives 8.85 ounces for $1.

More about the division link is given below.

brainly.com/question/369266

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Simplify so that there are only positive exponents (3^9/3^-5)
fomenos

Answer:

3^14

Step-by-step explanation:

(3^9/3^-5)

We know that when we have a^b / a^c = a^(b-c)

3^(9 - -5)

3^(9+5)

3^14

5 0
3 years ago
Calculate the surface area and show work :) please help me no links!!
eimsori [14]

Answer:

294 in.²

Step-by-step explanation:

I believe this figure is a rectangular prism.

------------------------------------------------------------------------------------

<u>Explain:</u>

To find the surface area of a rectangular prism, use this formula:

SA=2lw+2lh+2wh

              or

SA=2(lw+lh+wh)

l-length

w-width

h-height

A phrase I use to help remember this formula is:

LISA WILSON LOST HER WITCH HAT TWICE (2)

------------------------------------------------------------------------------------

<u>Solve:</u>

The length of this rectangular prism is 9 in.

This width is 10 in.

The height is 3 in.

Now, I will plug the numbers into the first formula.

SA=(2*9*10)+(2*9*3)+(2*10*3)=294 in.^2

------------------------------------------------------------------------------------

<u>Conclude:</u>

I, therefore, believe the area of this rectangular prism is 294 in.²

5 0
3 years ago
The width of a rectangle is 9 inches less than the length. The perimeter is 38 inches. Find the length and the width.
defon

Answer:

Length: 10

Width: 9

Explanation:

Perimeter Formula:

2(length + width)

So 2(length + width)=38

length + width=19

length + 9=19

length=10

4 0
3 years ago
I'm just done with math... as long as you explain it I'll mark your brainiest.
svet-max [94.6K]

Answer:

The correct answer is the third option

Step-by-step explanation:

Have different slope but have the same y-intercept, so they have no solution.

y = 1/2x - 3

To graph this, the slope 1/2 which means go up once and to the right twice and b = -3, which means the y-intercept.

second equation:

y =  -1/2x -3

To graph this, the slope -1/2 which means go down once and to the right twice and b = -3, which means the y-intercept.

Please mark as brainliest

4 0
3 years ago
A Boston subway train traveling at constant speed traveled 10.1 miles in half an hour. What was the speed of the subway train? m
viva [34]

Answer: 20.2 mph

Step-by-step explanation:

Given

Train travels 10.1 miles in half an hour i.e.

Distance d=10.1\ \text{miles}

time t=0.5\ hr

we know, \text{distance=speed}\times\text{time}

Insert the values

\Rightarrow 10.1=v\times 0.5\\\Rightarrow v=20.2\ mph

6 0
3 years ago
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