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Komok [63]
3 years ago
7

Is 4(5c + 3) and 9c + 7 equivalent?

Mathematics
2 answers:
uysha [10]3 years ago
7 0

Answer:

Find the exact value using trigonometric identities.

20

c

+

12

Step-by-step explanation: 20 c + 12 c will give you your answer.

Otrada [13]3 years ago
3 0

Answer:

No sir  

Step-by-step explanation:

when you see  Parentheses beside a number it means your mutiplying

your answer would be: 20c + 12

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Helllllllppppppppppp what Is 20 divided by 8
Contact [7]

Answer:

2.5

Step-by-step explanation:

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4 0
2 years ago
Find the surface area of each figure. round your answer to the nearest tenth
qaws [65]

Answer: 378.57mi²

Step-by-step explanation:

Formula = a²+2a√{(a²/4)+h²}

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8 0
3 years ago
The sum of the digits of a two-digit number is 11. The number obtained by interchanging the digits exceeds twice the original nu
Mumz [18]
Cool problem

x and y are the digits
x+y=11
yx=2(xy)+34
I'm not sure how to solve this using legit math so use trial and error

the 1 digit numbers that could be possible are
9,2
8,3
7,4
6,5
5,6
4,7
3,8
2,9
all of them add up to 11

the pairs obtained by swiching the number are
92 and 29
83 and 38
74 and 47
65 and 56

we find which ones are equal when we subtract 34 from the larger number and divide by 2
92-34=58
58/2=29
92 and 29 work

83-34=49
49/2=24.5 not equal to 38 not work

74-34=40
40/2=20 47 not equal to 20 so doesn't work

65-34=31
31/2=15.5 not equal to 56 so doesn't work



the origonal number is 29
4 0
4 years ago
The cost of 7 scarves is 54.25 what is the unit price
kari74 [83]

Answer:

7.75

Step-by-step explanation:

54.25/7=7.75

5 0
3 years ago
Select the statement that describes this expression: 10 + x (5 + 3) − 3.
Finger [1]

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7 0
3 years ago
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