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mezya [45]
3 years ago
7

A building casts a shadow 40 ft long when the sun's angle of elevation is 58 degrees. find the height of the building

Mathematics
1 answer:
zzz [600]3 years ago
3 0
The building is 64 ft tall
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The price of a dress is reduced by 55​0%. When the dress still does not​ sell, it is reduced by 55​0% of the reduced price. If t
Masja [62]

Answer:

x = $200

The original price is $200

Question :

The price of a dress is reduced by 50%. When the dress still does not​ sell, it is reduced by 50% of the reduced price. If the price of the dress after both reductions is ​$50, what was the original​ price?

Step-by-step explanation:

Let x represent the original price of the dress.

First reduction

After first reduction the value of the price is given as;

p1 = x - 50% of x = (1-0.50)x = 0.5x

p1 = 0.5x

Second reduction

After the second reduction the value of the price is given as;

p2 = p1 - 50% of p1 = (1-0.50)p1 = (0.50)0.50x

p2 = 0.25x .....1

Since, p2 is given

p2 = $50

Substituting into equation 1

$50 = 0.25x

x = $50/0.25 = $200

x = $200

The original price is $200

4 0
3 years ago
-7+21y+23=16 pls help rn
love history [14]

Answer:

y = 0

Step-by-step explanation:

- 7 + 21y + 23 = 16

- 7 + 23 =( 23 - 7) = 16

16 + 21y = 16

21y = 0

y = 0 \div 21

\boxed{\green{y = 0}}

4 0
2 years ago
Is 2 hours and 30 minutes more or less than 10% of a day?
belka [17]
10% of the day =10/100×24=2 hours 24 minutes therefore 2 hours 30 minutes is more than 10% of a day
8 0
3 years ago
What is the interest rate?<br><br> A=500(1.0325)^12
saul85 [17]
I think you need to multiply
7 0
2 years ago
Find the square root of the following number by the long division method for 9801​
vlada-n [284]

Answer:

99.

Step-by-step explanation:

            99.0

          ___________

          |9801.000000

       9 |81

    189 | 1701

           | 1701

             ,,,,,

3 0
3 years ago
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