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ankoles [38]
3 years ago
10

Are 5(8y - 8) and 40y - 40 equal?​

Mathematics
1 answer:
Jet001 [13]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

5(8y-8) = 5*8y - 5*8 by distributive property. simplify that, you get 40y-40, which is equal to 40y-40.

I hope this helped, please give brainliest if this is correct! Thank you!

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Hola alguien me podría ayudar con este problema :< porfa ​
nevsk [136]

Answer:

8= 24b

8/8=24b/8

b=3

Step-by-step explanation:

Based on my own learning

7 0
2 years ago
A telephone number consists of seven digits, the first three representing the exchange. how many different telephone numbers are
AveGali [126]
Since the first three digits are 537 (the exchange), we have 7-3=4 digits left. In each of those digits, there are 10 possible numbers, 0 to 9. As there are 10 numbers possible for the first digit, there are 10 numbers for each number for the second digit, and so on. For example, if the first digit was 1, we would have 1___ (3 blanks) with each blank having 10 possibilities. As there are 10 possibilities for the second number if the number 1 is there, there are 10 possibilities for the second digit for each number possible for the digit, getting 10*10=100 possible combinations with only two numbers. The same applies to the third and fourth blank, as if the second number is 2, there are 100 possibilities for 12__ (2 blanks) to be a possibility, and there are 10 blanks for each possible combination of the first two numbers, getting 10*10*10=10^3=1,000 possible combinations. Repeat the process for the fourth digit, and you end up with 10,000 possible combinations.

Feel free to ask further questions!
8 0
3 years ago
noise in a quiet room is 500 times for as intense as the threshold of sound. what is the decibel measurement for the quiet room?
mestny [16]
For this case, the first thing you should do is observe the graph.
 We have that the x-axis represents the intensity of the sound.
 The y-axis represents the measure in decibels.
 We have then:
 For x = 500 the value of y is y = 28
 Answer:
 
The decibel measurement for the quiet room is:
 
28 decibels
5 0
3 years ago
What is the surface area of this right square pyramid?
inysia [295]

Answer:

it isn't 205 but my guess is its 115

6 0
3 years ago
The following dot plots describe the test scores on Mr. Santos final exam.
Tasya [4]

second-period class average:

55+70+450+480+170+270+95 = 1590

1590/20 = 79.5

sixth-period class average:

65+225+480+595+270+190 = 1825

1825/20 = 91.25

on average, students in the sixth period class scored higher

5 0
2 years ago
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