MATHEMATICS MIDDLE SCHOOL

The formulaF = 1.8C + 32 gives the temperature
in degrees Fahrenheit (F ) for a given
temperature in degrees Celsius (C ). There is
one temperature for which the number of
degrees Fahrenheit is equal to the number
of degrees Celsius. Write an equation you
can solve to find that temperature and
then use it to find the temperature

Answers

Answer 1
Answer:
Yes, that's an interesting exercise.

The Celsius temp is  ' C ' .

The Fahrenheit temp is    1.8C + 32

If they're the same number, then       C = 1.8C + 32

Subtract  1.8C  from each side:  -0.8C =             32

Multiply each side by  -1 :            0.8C =            -32

Divide each side by  0.8 :                  C =          -32/0.8  =  -40 .

       -40°F  and  -40°C  are the same temperature.
Answer 2
Answer:

Answer:

C = 1.8C + 32

40° is  the temperature  for which the number of  degrees Fahrenheit is equal to the number  of degrees Celsius.

Step-by-step explanation:

Given : F = 1.8C + 32 gives the temperature  in degrees Fahrenheit (F ) for a given  temperature in degrees Celsius (C ).

To Find: There is  one temperature for which the number of  degrees Fahrenheit is equal to the number  of degrees Celsius. Write an equation you  can solve to find that temperature and  then use it to find the temperature.

Solution :

Given Formula :  F = 1.8C + 32

If number of  degrees Fahrenheit is equal to the number  of degrees Celsius

Then , C = 1.8C + 32

⇒ -0.8C =32

⇒C = (-32)/(0.8)

⇒C = 40^(\circ)

Thus The equation we can use to find the temperature  for which the number of  degrees Fahrenheit is equal to the number  of degrees Celsius:

C = 1.8C + 32

40° is  the temperature  for which the number of  degrees Fahrenheit is equal to the number  of degrees Celsius.

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How can I get the area of the shaded region?

Answers

Let's work on the triangle first.  The x intercept of 2y=27-3x is

0 = 27 - 3x

3x = 27

x = 9

So A(9,0)

B is the meet of 2y=27-3x and y=3x

2y=27-y

3y=27

y=9

y is the height of OAB; we don't really need x

Area(OAB) = \frac 1 2 (9)(9) = (81)/(2) = 40.5

Now we have to subtract

\displaystyle \int_0^9 (3x - x^(\frac 3 2))dx = \frac 3 2 x^2 - \frac 2 5 x^(\frac 5 2) \bigg|_0^9 = \frac 3 2 (9^2) - \frac 2 5 (9^(\frac 5 2)) = (1)/(2)(243) - \frac 2 5 (243) = 24.3

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Mr. Baker's fifth - grade class buried a time capsule in the field behind the school. They drew a map and marked the location of the capsule with an X so his class can dig it up in ten years. What could Mr. Baker have done to make the capsule easier to find?

Answers

Mr. Baker have done to make the capsule easier to find is Marked down the coordinates of the time capsule

We have given that,

Mr. Baker's fifth-grade class buried a time capsule in the field behind the school.

They drew a map and marked the location of the capsule with an X so his class can dig it up in ten years.

We have to determine the capsule is easier to find.

What is the markup and markdown?

Markup is how much to increase prices and markdown is how much to decrease prices.

Therefore here is the decreasing the price so that we use the

Marked down the coordinates of the time capsule.

To learn more about the markup visit:

brainly.com/question/1153322

#SPJ2
Marked down the coordinates of the time capsule

Salid bought 35 feet of window trim at a hardware store. The trim cost $1.75 per foot, including sales tax. If salid paid with a $100.00 bill, how much change should he have received?

Answers

first we have to write down what we know and that is 35ft of window trim is what he has and for each foot of the 35 is a $1.75. so-->35(1.75)--> this is 61.25 or $61.25. He used 100.00 to pay so he did not use all of the 100. 100-61.25= is how much salid should recieve back which is $38.75.
If you would like to know how much change should Salid have received, you can calculate this using the following steps:

35 feet * $1.75 per foot = 35 * 1.75 = $61.25

$100.00 - $61.25 = $38.75

Result: Salid should have received $38.75.

The width of a rectangle is one half its length. The perimeter of the rectangle is 54 cm. What are the width and length of therectangle?
A. 9 cm; 18 cm
B. 18 cm
C. 18 cm; 36 cm

Answers

Answer:

Length of rectangle = 18 cm

Width of rectangle = 9 cm

Step-by-step explanation:

Let the length of rectangle be x

\therefore \: width \: (w) = (1)/(2) x \n \n perimeter \: of \: rectangle = 54 \: cm \n \therefore \:2(l + w) = 54 \n \therefore \:(l + w) = (54)/(2) \n \therefore \:l + w= 27 \n \n \therefore \:x + (1)/(2) x = 27 \n \n \therefore \:(3)/(2) x = 27 \n \n \therefore \:x = 27 * (2)/(3) \n \n \therefore \:x = 9 * 2 \n \n \huge \red{ \boxed{\therefore \:x = 18}} \n \n \implies \: (1)/(2) x = (1)/(2) * 18 = 9

Hence

Length of rectangle = 18 cm

Width of rectangle = 9 cm

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Answers

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Answers


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B).  I don't know anything about the nitrogen in the Earth's
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