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BaLLatris [955]
3 years ago
9

Polar stratospheric clouds are colorful clouds that form when temperature fall below -78°C. What is this temperature in degrees

Fahrenheit.
Mathematics
2 answers:
Alex_Xolod [135]3 years ago
4 0

Answer:

-108.4 degrees Fahrenheit

Step-by-step explanation:

(-78°C × 9/5) + 32 = -108.4°F

pshichka [43]3 years ago
3 0

Answer: -108.4

Step-by-step explanation:thats it

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How is the sum expressed in sigma notation? <br> 1/64+1/16+1/4 + 1 + 4
shusha [124]

9514 1404 393

Answer:

  sum = ∑[n=1,5] 4^(n-4)

Step-by-step explanation:

First of all, you need to be able to describe the n-th term.

Here, we  have ...

  term #: 1, 2, 3, 4, 5

  value: 4^-3, 4^-2, 4^-1, 4^0, 4^1

That is, the exponent of 4 is 4 less than the term number. So, the n-th term is 4^(n-4). The sum of the 5 terms shown is then ...

  \displaystyle sum=\sum_{n=1}^5{4^{n-4}}

5 0
2 years ago
The length of a flag is 0.3 foot less than its width. If the perimeter is 14.4 feet longer
SCORPION-xisa [38]

Answer:

5.3

Step-by-step explanation:

8 0
2 years ago
Hiya! Here's my question:
Step2247 [10]

wait i got it!

Since 18 kilograms are 18000 grams, you have

18000/30=600

and

800/30=26.6

So, with 18 kilograms of salt the baker can make exactly 600 batches with no leftovers, while with 800 grams of salt the baker can make 26 batches, with some leftovers.

In fact, 26 batches require

26 x 30 =780

grams of salt, and the remaining

800-780=20

grams of salt are not enought to prepare the next batch

Step-by-step explanation:

5 0
3 years ago
60% of what number is 33?​
Andreyy89

Answer:

55

Step-by-step explanation:

33/60 = 0.55 * 100 = 55

Check:

55*0.6 = 33

Hope that helps!

8 0
2 years ago
A "b" value of less than 1 produces a graph with exponential decay
Andru [333]
<span>If this statement is a True or False question.

Then, TRUE. A "b" value of less than 1 produces a graph with exponential decay.

We consider this formula: y = a*b^x or f(x) =a*b^x

a is the initial value, b is the rate, x is the exponent. 

If b has a value of less than 1, as the exponent increases the resulting value of y decreases.

f(x) = 20(0.90)^x

f(1) = 200(0.90)</span>¹ = 180
f(2) = 200(0.90)² = 162
f(3) = 200(0.90)³ = 145.80
f(4) = 200(0.90)⁴ = 131.22
f(5) = 200(0.90)⁵ = 118.10

Exponential decay is the decrease in a quantity. As you can see in the given example the value of f(x) decreases as the value of x increases because the value of b is less than 1.
5 0
3 years ago
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