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nordsb [41]
3 years ago
11

9 yd2.5 yd find the surface area of the square ​

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
5 0

Answer:

51.25

Step-by-step explanation:

Do you mean the surface area of the pyramid?

Base = 2.5^2 = 6.25

Triangles = \frac{9 * 2.5 * 4}{2}

9 * 2.5 * 2 = 45

45 + 6.25 = 51.25

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An individual is at a restaurant with two other people and they are trying to determine the tip for their check total which came
zlopas [31]

Answer:

c. The tip is $10.00

Step-by-step explanation:

The total bill in the restaurant is = $ 68.42

They wanted to pay a gratuity of 15%

Therefore the correct tip can be calculated as :

= 68.42 of 15%

= $68.42 \times \frac{15}{100}$

= 68.42 x 0.15

= 10.263

≈ 10 (approx.)

Thus the individual along with the other two wishes to pay a tip $10.00 for the total value.

7 0
2 years ago
What is the gcf of 21 30 anwhat is the gcf of 21 , 30 ,and 44?
Ymorist [56]
Find the prime factorization of each value.

21 is 7*3

30 is 3*10 which can be further broken down into 3*2*5

44 is 4*11 which can be further broken down into 2*2*11

What do they share in common?
21 and 30 each have a 3 in common.
Therefore the GCF(21, 30) = 3.

21 and 44 share a 2 in common.
But if we're looking at all three of them together, they share nothing in common.
5 0
3 years ago
Julia worked on her chores from 3:15 until 4:00 how long did julia work
Dafna1 [17]
45 minutes i m sure all you do is count up or subtract 60 from 15
7 0
3 years ago
Read 2 more answers
Can you solve this? It is for MATH 111
umka2103 [35]
The equation only is true for objects with negligible air resistance. A feather does not have this property.
Using the equation shown:
50 = -16t^2
t^2 = 50/16 = 3.125
t = sqrt(3.125) = 1.77 seconds
6 0
3 years ago
What is the value of the expression 9+4n-1 when n = 3?
dangina [55]
Answer: 9+4n-1 = 20


We can solve this by substitution.
Replace n with the value given, 3 (remember 4n means 4 times n):
9 + 4*3 - 1
Then work it out using arithmetic
9+12-1
=20
6 0
2 years ago
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