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almond37 [142]
2 years ago
9

Help me to answer this pls ​

Mathematics
1 answer:
Sonja [21]2 years ago
3 0

To convert celsius to Fahrenheit:
=》(0°C × 9/5) + 32 = 32°F

To convert Fahrenheit to celsius:
=》(32°F − 32) × 5/9 = 0°C

To convert kelvin to celsius:
=》 C = K - 273.15.

To convert Fahrenheit to kelvin :
=》°F = (K − 273.15) × 9/5 + 32.

Using these formulas,

1) 38°C
= (38°C × 9/5) + 32
= 100.4°F

2) 313 K
= 313K − 273.15
= 39.85°C

3) 85°F - 69°F
= 16° F ------> difference
In celsius :
= (16°F − 32) × 5/9 =
-8.889°C

4) At 3 p.m = 13°F
If temperature increases by 2°F,
At 5 p.m =》
13 + 4
= 17°F

5) 55°F - 5
= 50°F
In kelvin :
(50°F − 32) × 5/9 + 273.15
= 283.15K


Hope it helps ⚜
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2. Ravi purchased an old house for Rs. 76.5000 and
lorasvet [3.4K]

Answer:

Rs. 924000.

Step-by-step explanation:

Cost of  house = 765000

Additional money spent on it = 115000

Total cost incurred by Ravi = 765000 + 115000 = 880000

Gain  = 5% of total cost

gain in Rs = 5/100 * 880000 = Rs. 44000

Total selling price of house = total cost incurred + profit = 880000+ 44000

Total selling price of house = Rs. 924000

Thus, Ravi got  Rs. 924000.

3 0
3 years ago
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Step-by-step explanation:

4 0
3 years ago
Solve the equation. | x | -7 =6
guapka [62]
Hi there!

Let's solve this equation step by step!
|x|  - 7 = 6

First add 7 to both sides.
|x|  = 13



Next we need to take a look at the meaning of the stripes between our variable. Those stripes mean we are dealing with an absolute value function. The absolute value stripes make everything between the stripes positive; also when we plug in a number. In this particular question we can plug in both -13 and 13 at the position of n, because when -13 is made positive, it fulfils the equation.

Hence,
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~ Hope this helps you!
6 0
3 years ago
Read 2 more answers
A school has 1800 students 55 %of the students of girls. how many boys are in the school?​
Katena32 [7]

Answer:

810 boys

Step-by-step explanation:

1800 students and 55% are girls.

100%-55%=45%

1800*0.45 = 810

1800*0.55 = 990

So there are 990 girls and 810 boys.

Hope this helps :)

3 0
3 years ago
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