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Neko [114]
3 years ago
8

A chemist is researching different sustainable fuel sources. She is currently working with benzene, which must be in liquid form

for her to successfully conduct her
research. The boiling point of benzene is 176° F, and the freezing point is 42° F

Part A: Write an inequality to represent the temperatures the benzene must stay between to ensure it remains liquid. (2 points)

Part B: Describe the graph of the inequality completely from Part A. Use terms such as open/closed circles and shading directions. Explain what the solutions to the
inequality represent. (4 points)

Part C: In February, the building's furnace broke and the temperature of the building fell to 20° F Would the chemist have been able to conduct her research with
benzene on this day? Why or why not? (4 points)
Mathematics
1 answer:
White raven [17]3 years ago
7 0

Answer:

Quieres ser mi novia.. Hermosa.. MI estrella fugaz

Step-by-step explanation:

❤️❤️❤️❤️❤️❤️:-):-):-):-)amorsito...,,,,,,, - - - - ////

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Lisa's shop sells 5 quarts of ice cream each day. How much is this in pints?
Sergeeva-Olga [200]

Answer:

10

Step-by-step explanation:

We know there are 5 quarts.

There are 2 pints for each quart.

This can be though of as a ratio of:

2 : 1

There are 5 quarts, which is 5 times bigger than the ratio of 1.

So this means we need to mutliply both sides of the ratio by 5, to make the quarts equivelent to 5:

2*5 : 1*5

=

10 : 5

So for every 5 quarts there are 10 pints.

Hope this helps!

8 0
3 years ago
Find the volume: L = 16 W = 15.5 H = 12​
Nikolay [14]

Answer:

volume =  2976 units^3

Step-by-step explanation:

volume = 16x15.5x12 = 2976 units^3

6 0
3 years ago
The life span of a graphing calculator manufactured by Texas Instruments has a normal distribution with a mean of 54 months and
Tcecarenko [31]

Answer:

The expected number of graphing calculators that malfunctions within 3 months and need to be replaced is 915,000.

Step-by-step explanation:

Let <em>X</em> represents the number of graphing calculator that starts malfunctioning within 36 months of the purchase and needs to be replaced by a new one.

It is provided that <em>X</em> follows a normal distribution with a mean of 54 months and a standard deviation of 8 months.

Also, using the normal model it was determined that 1.22% of graphing calculator manufactured by Texas Instruments malfunctions and needs replacement.

That is,

P (<em>X</em>) = 0.0122

Texas Instruments has sold 75 million graphing calculators world- wide.

Compute the expected number of graphing calculators that malfunctions within 3 months and need to be replaced as follows:

E (<em>X</em>) = n × P (<em>X</em>)

        = 75 × 10⁶ × 0.0122

        = 915000

Thus, the expected number of graphing calculators that malfunctions within 3 months and need to be replaced is 915,000.

3 0
3 years ago
Find the measure of an<br> exterior angle of a regular<br> polygon with 18 sides.
Elenna [48]

Answer:

compute its exterior angle as 360/18, which is 20 degrees

Step-by-step explanation:

8 0
3 years ago
PLZ HELP I WILL PICK BRAINLIEST!!! WORKING ON SLICE SOILDS!!
german

Answer:

rectangle

Step-by-step explanation:

i promise it a rectangle please giv brainlyest

7 0
3 years ago
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