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Alenkinab [10]
3 years ago
7

Convert 19 inches to centimeters. Start Fraction 2.54 centimeters Over 1 inch End Fraction 2.54 centimeters 1 inch.

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0

Answer:

19 in = 48.26 cm

Step-by-step explanation:

Devide 19 by 2.54 you get 48.26 cm

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Find the value of x. Using trig
scoundrel [369]

Hi there! We can find the value of x by using this equation.

\large \boxed{tanx =  \frac{19}{23} }

If you remember, tanx = opposite/adjacent. We focus on the angle x currently.

Now that you might wanna ask if there is a value of x that makes 19/23. The answer is yes but in decimal.

\large{arctan( \frac{19}{23} )} = x

You might wanna put arctan(19/23) in a calculator since it's not really possible to get the square root like value by yourself.

arctan(19/23) is 0.69

Then we round up and get 0.7

Hence, the value of x ≈ 0.7

Answer

  • x ≈ 0.7 (rounded)

Questions can be asked through comment.

Hope it helps, and Happy Learning! :)

4 0
3 years ago
A store has a 40\%40%40, percent off sale on headphones. With this discount, the price of one pair of headphones is \$36$36dolla
zloy xaker [14]
Let 
X=<span>the original price of the pair of headphones
then 
if the % </span>off sale is 40--------------- > (1-0.40)*X=<span>$36
x=36/0.60=60

the answer is 
</span>the original price of the pair of headphones was $60
8 0
3 years ago
Read 2 more answers
7 + (10 − 4)2 ÷ 4 × 1\8
natta225 [31]
I’m pretty sure the answer is 12

6 0
3 years ago
The swimming pool is open when the high temperature is higher than 20^\circ\text{C}20 ? C20, degree, C. Lainey tried to swim on
Svetlanka [38]

Answer:

30-3d\leq 20

Step by step explanation:

Let d represent the rate of temperature decrease in degrees Celsius per day from Monday to Thursday.  

As temperature decreased at a constant rate in the next 3 days, so the rate of temperature will decrease 3d degree Celsius in 3 days.  

We are told that the pool was open on Monday. The high temperature was 30^{\circ}{\text{C} on Monday. So the decrease in temperature from Monday to Thursday will be 30-3d.

We have been given that the swimming pool is open when the high temperature is higher than 20^{\circ}{\text{C}.

As the pool was closed on Thursday. This means that temperature on Thursday was less than or equal to 20 degree Celsius. We can represent this information in an inequality as:

30-3d\leq 20

Therefore, the inequality 30-3d\leq 20 can be used to determine the rate of temperature decrease in degrees Celsius per day, d, from Monday to Thursday.

5 0
4 years ago
Please help ASAP!!!!!!
erica [24]

Answer:

300

Step-by-step explanation:

20*30=600

600/2=300

Please mark as Brainliest! :)

Have a nice day.

6 0
4 years ago
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