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IrinaK [193]
3 years ago
12

Someone please help me!!!!

Mathematics
1 answer:
kondaur [170]3 years ago
8 0

Answer:

9.5

Step-by-step explanation:

13x+1+12x-2+14x+1+109+132+128

collect all the like terms

13x+12x+14x

=39x

1+-2+1+109+132+128

=369

39x=369

divide both sides by 39

=9.5

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Find three consecutive even numbers whose sum is 1884.
Scilla [17]

Answer:

smallest number=626

middle number=628

larger number=630

Step-by-step explanation:

To find the numbers, let's use n as the variable. Since we know that the numbers are consecutive even numbers, we know that they increase by 2. For example, we could have 2+4+6=12.

Knowing that the consecutive numbers increase by two's, we can use this.

smallest number: n

middle number: n+2

larger number: n+4

All we have to do is add these together and set it equal to 1884.

n+(n+2)+(n+4)=1884          [combine like terms]

3n+6=1884                         [subtract both sides by 6]

3n=1878                              [divide both sides by 3]

n=626

Now that we know n=626, we also know that the other numbers are 626, 628, 630 respectively.

5 0
3 years ago
33. Does this graph have a minimum or maximum value?
Bond [772]
For question 40 the answer is B
3 0
3 years ago
8 miles is approximately equal to 6 km. How many km are equal to 28 miles? How many miles are equal to 42 km?
Pani-rosa [81]
1 mile = about 1  1/3 km because 8/6  = 1 1/3
so 28 times 1 1/3 = 37 1/3  (first answer)

42 / 6 = 7 
7 miles are in 42 km (2nd answer)
3 0
4 years ago
How many tenths are in 3ones
Vinil7 [7]

Answer:

30

Step-by-step explanation:

Each one has 10 tenths, so 3 ones have 30 tenths.

You can do this by dividing 3 by 1/10.

3/(1/10) = 3/1 * 10/1 = 30/1 = 30

7 0
3 years ago
Martey drew a model of the shool library
vova2212 [387]

Answer:

Q?

Step-by-step explanation:

3 0
3 years ago
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