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dlinn [17]
3 years ago
6

PLEASE HELPPPP THIS IS A VERY IMPORTANT AND IM STUCK

Mathematics
1 answer:
Ronch [10]3 years ago
4 0

Answer:

73=7x+38

35=7x

x=5

180-73 = 107

z=107

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You are having a conference call with the CEO of a paper company. You have interpreted the number of trees cut down versus profi
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x axis: -1, 0, -3

Step-by-step explanation:

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Please help me with this
AfilCa [17]

20,000 + 70 + 3 = 20,073

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The number of pieces of chalk in a classroom deceased by 10 throughout the school year. Is this a geometric sequence?
VARVARA [1.3K]
No, the geometric sequence is when the number is multiplied by a value that increases. 

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3 years ago
There are 35 females performed in a dance recital.The ratio of men to women is 3 : 8. How many men are in the dance recital
Ipatiy [6.2K]

Answer:

13 or 13.125 you have to look at your notes to see which it is. Personally I would take 13. Try that first.

Step-by-step explanation:

Be careful how you interpret this question. It reads like this.

3:8 :: x:35

In other words, the 8 and 35 females goes together.

Set this up as a proportion

3/8 = x / 35  Cross multiply

3*35 = 8x     Combine the left

105 = 8x       Switch

8x = 105        Divide by 8

x = 105 / 8     get the answer

x = 13.125       You cannot have 1/8 of a person. So what are you going to do?

You have to round down. x = 13. How close is this

13/35 = 0.371 as apposed to 0.375 which is what 3/8 is.


8 0
3 years ago
Question 4: 11 p The sum of the digits of a two-digit number is 14. When the digits are reversed the new number is 36 less than
svetoff [14.1K]

Answer:

  95

Step-by-step explanation:

Let x represent the ones digit. The tens digit will be higher, because reversing the digits results in a lower number. Its value is (14 -x). The given relation is ...

  (10(14-x) +x) -(10x +(14 -x)) = 36 . . . . reversing the digits gives 36 less

  140 -9x -9x -14 = 36 . . . . eliminate parentheses

  90 = 18x . . . . . . . . add 18x-36

  5 = x . . . . . . ones digit

  14-5 = 9 . . . tens digit

The original number is 95.

__

<em>Check</em>

  95 -59 = 36

_____

<em>Additional comment</em>

The difference in value when the digits of a 2-digit number are reversed is always 9 times the difference in the digits. This means the difference in the digits is 36/9 = 4. Since the sum of digits is 14, the two digits are (14+4)/2 = 9 and (14-4)/2 = 5. 95 is the number of interest.

The solutions to a "sum and difference" problem are half the sum and half the difference of the given sum and difference. That is how we know the larger digit is (1/2)(14 + 4), for example.

We worked this "the hard way" using the above equation. It can actually be worked in your head if you're familiar with these generic solutions.

4 0
3 years ago
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