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anyanavicka [17]
3 years ago
13

2 and 3 please and show the work too answer quick cuz it’s due tomorrow pls

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0
722 bricks and 8 workers.
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חן
N76 [4]

Answer:

Step-by-step explanation:

This is a fascinating question. It turns out to be true because of the relationship between a 30 degree angle and a 60 degree angle

The answer is that the product of sin30*sin60 = cos(30)*cos(60). This happens because sin(60) = cos(90-60) = cos(30)

Other angles will do the same thing sin36 * sin54 = cos(54)*cos(36)

8 0
2 years ago
What # is closer to 0.998? 10.22 or -1.10
tatyana61 [14]

0.998  is  9.222 away from  10.22 ,
but it's only 2.098 away from  -1.10 .

So  -1.10  is quite a bit closer.
8 0
3 years ago
Carly and Carter are comparing bedrooms. They are each getting new carpet and are trying to figure out which room will be the mo
Softa [21]

Answer:

Carter's bedroom would cost more to carpet than Carly's because the floor area of the former is about five square feet greater than the floor area of Carly's bedroom.

Step-by-step explanation:

The area of either of these floors is found by multiplying length by width:

A = L*W.

Carly's bedroom is 15.3 ft by 8.7 ft; multiplying, we get A = 133.11 ft^2

Carter's is 14.4 ft by 9.6 ft:  A = 138.24 ft^2

Carter's bedroom area (138.24 ft^2) is about 5 ft^2 larger than Carly's and would thus cost more to carpet.

5 0
2 years ago
Read 2 more answers
Thank you. Help please
Inessa [10]
It’s 6(2r+5) :) i need more words
3 0
3 years ago
Help pls see picture
Nady [450]
We can first add all them up:
P_t = 2x+3+5x+3+5x-2 = 12x+4

Since it's for a square, we have to divide by 4:
P_s = \frac{12x+4}{4} = 3x + 1

So, the expression for a square with the exact same perimeter is 3x + 1
8 0
3 years ago
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