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Tanzania [10]
4 years ago
14

8. Convert 100°C into °F.

Mathematics
2 answers:
nevsk [136]4 years ago
8 0
8. 100C = 212F
9. no, the pool is not warm enough for emma. 24C = 75.2F
10. stephen cannot go to school. 312 kelvin = 101.93F
lukranit [14]4 years ago
4 0

Answer:

8.

0 degree Celsius = (0\times\frac{9}{5})+32 = 32 Fahrenheit

100 degrees Celsius = (100\times\frac{9}{5})+32 = 212° Fahrenheit

9.

Emma likes to swim in the water if the pool is at least 82°F.

The thermometer in the pool reads 24°C.

24 degrees Celsius =  (24\times\frac{9}{5})+32 = 75.2° Fahrenheit

No, Emma cannot swim in the pool.

10.

Stephen's temperature is 312 Kelvin.

In Fahrenheit it becomes:

[(312-273.15)\times9/5]+32 = 101.93°F

As this temperature is above 100°F , so Stephen cannot go to school today.

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5. Point A is 3 units directly below (2, 2). What are the coordinates of point A? Answer: Point A (___)​
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1 year ago
Write an exponential function to model the situation.A population of 300 animals decreased at an annual rate of 22%
erastovalidia [21]

Answer:

y = 300(0.78)^x

Step-by-step explanation:

x is the number of years. y is the population after x years.

Each year, the population decreases by 22%, since 100% - 22% = 78%, and 78% = 0.78, each year, the population is 0.78 of the previous year's population.

year zero: y = 300

year 1: y = 300 * 0.78 = 300 * (0.78)^1

year 2: y = (300 * 0.78) * 0.78 = 300 * (0.78)^2

year 3: y = ((300 * 0.78) * 0.78) * 0.78 = 300 * (0.78)^3

year x: y = 300(0.78)^x

4 0
3 years ago
On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 9 k
nadya68 [22]

Answer:

6 kg

Step-by-step explanation:

Given is weight of an object directly varies with the mass of the object .

Let the constant of proportionality be k

So,

Weight = K×(mass of the object)

For an object , weight = 45 N

                        mass = 9 kg

So , 45 = K×9

      K = 5.

Now, for the other object ,

Weight = 30 N. K = 5 (as obtained above)

So, 30 = 5×(mass of the object)

mass of the object = 6 kg.

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4 years ago
What is the sum of 5.3 x 10^5 and 3.8 x 10^4in scientific notation?
Natali5045456 [20]

Answer:

=5.68×10^5

Step-by-step explanation:

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