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labwork [276]
2 years ago
9

Three ounces of cinnamon cost $2.40. If there are 16 ounces in 1 pound, how much does cinnamon cost per pound?

Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
7 0

Answer:

80¢\lb.; 58 667\1000 ft.\sec.

Step-by-step explanation:

Divide the cost by three; multiply 40 by 1.466675.

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How do you draw a line of best fit on a scatter diagram
Soloha48 [4]

Answer:

I learned a trick, where you draw a line that has the same number of points on top/above the line as there are points below the line.

Step-by-step explanation:

6 0
2 years ago
A circle has a diameter of 8 cm. An angle in the center of the circle creates an arc AB. That angle's measure is pi/4 rad. What
zhenek [66]

Answer:

3.14 cm

Step-by-step explanation:

From the question,

Applying

s = πdФ/360................... Equation 1

Where s = length of arc AB, d = diameter of the circle, Ф = angle at the center of the circle, π = pie

From the question,

Given: d = 8 cm, Ф = π/4 rad = 45°

Constant: π = 22/7

Substitute these values into equation 1

s = (22/7)(8)(45)/360

s = 3.14 cm.

Hence the lenght of arc AB = 3.14 cm

8 0
2 years ago
A truck driver is driving from Nome, Alaska to Death Valley, California. Because he is traveling between locations with extreme
Andrews [41]

The inequality to represent the temperatures at which the gas in the truck will remain in liquid form is -40 < x < 140

<h3>Part A: The inequality</h3>

Let the temperature of the gas be represented with x.

When the temperature hits −40° F (or below), the gas freezes.

This means that the gas temperature must always exceed −40° F to remain being a liquid

i.e x > −40

Also, when the temperature hits 140° F (or above), the gas evaporates.

This means that the gas temperature must always be less than 140° F to remain being a liquid

i.e x < 140

So, we have:

x > −40 and x < 140

Rewrite as:

-40 < x and x < 140

Combine both inequalities

-40 < x < 140

Hence, the inequality to represent the temperatures at which the gas in the truck will remain in liquid form is -40 < x < 140

<h3>Part B: The description of the graph</h3>

In (a), we have:

-40 < x < 140

The end points of the inequalities use a less than sign.

Less than signs are represented by open circle.

Hence, the graph would use an open circle, and intervals between -40 and 140 would be shaded

<h3>Part C: Would −49° F gas remained in liquid form?</h3>

We have:

-40 < x < 140

The number -49 is not in the range -40 < x < 140

Hence, the gas would not remain in liquid form (in fact, it would freeze because it is less than -40)

Read more about inequalities at:

brainly.com/question/24372553

#SPJ1

8 0
2 years ago
Is it true that (x^2–3x+2)/(x –1) = x – 2, for all values of x? Justify your answer.
Nimfa-mama [501]

Answer:

x²-3x+2=0

x²-2x-x+2=0

(x²-2x)(-x+2)=0

x(x-2)-1(x-2)=0

(x-2)(x-1)=0

x-2=0 or x-1=0

x=2 or x=1

6 0
3 years ago
In interval notation signs use what grouping symbol?
Vesnalui [34]

Answer:

either parentheses or brackets

Step-by-step explanation:

(x,y) means that the number is not included in interval notation

[x,y] means that the number is included in interval notation

3 0
2 years ago
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