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Anna35 [415]
3 years ago
5

What is the answer to x/2+3=12

Mathematics
2 answers:
kenny6666 [7]3 years ago
7 0

For the first equation the answer is x=18.

2nd equation: x=10

3rd equation, x=10

lana [24]3 years ago
5 0
X/2=12-3
X/2=9
X=9*2
X=18
For ii
2x=24-4
2x=20
X=20/2
X=10
For iii
X+3-3=10
X+0=10
X=10
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The explicit formula for arithmetic sequence is:
an=a+(n-1)d
where:
a=first term
d=common difference 
given:
a3=22
a(17)=-20
substituting this in our equation we get:
22=a+(3-1)d
22=a+2d
a=22-2d........i

also:
-20=a+(17-1)d
-20=a+16d.....ii
but substituting i in ii we get:
-20=22-2d+16d
-20-22=14d
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d=-3
but:
a=22-2d
a=22-2(-3)
a=28
thus the formula will be:
an=28-3(n-1)
thus the first term will be 28
the 2nd term will be:
a2=28-3(2-1)
a2=25

the 3rd term will be:
a3=28-3(3-1)
a3=28-6
a3=22

a4=28-3(4-1)
a4=28-9
a4=15

a5=28-3(5-1)
a5=28-3(4)
a5=28-12
a5=15

5 0
3 years ago
A trailer will be used to transport several 40-pound crates to a store. The greatest amount of weight that can be loaded into th
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Given :

A trailer will be used to transport several 40-pound crates to a store.

The greatest amount of weight that can be loaded into the trailer is 1,050 pounds.

An 82-pound crate has already been loaded onto the trailer.

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The greatest number of 40-pound crates that can be loaded onto the trailer.

Solution :

Weight left = 1050 - 80 = 970 pound.

Let, number of 40 pounds crates that can be loaded are x.

x  = \dfrac{970}{40}\\\\x = 24.25

Since, crate cannot be in fraction, so maximum crate that can be loaded is 24.

Hence, this is the required solution.

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2 years ago
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He has to walk the remaining 3.05 kilometers.
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3 years ago
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FromTheMoon [43]

Answer:

40585818

Step-by-step explanation:

thats an insane amount of anything but like, dam n

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6 0
3 years ago
What is the range of this relation? ​
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Answer:

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then range is { - 1, 0, 4 }

6 0
2 years ago
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