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Lynna [10]
3 years ago
10

1. Add 8, 3.5, and 15.

Mathematics
2 answers:
Alexxandr [17]3 years ago
5 0

Step-by-step explanation:

Hey there!

Let's add them.

1). 8,3.5, 15

= 26.5

2). 15 + 7 + .5

= 22.5

3). 7, .8, .6

= 8.4

4). 35.15, 14.18, 7.16

= 49.33 + 7.16

= 56.49

5). .8, 5, .7

= 6.5

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

zloy xaker [14]3 years ago
3 0

1.)\;8+3.5+15=26.5\\2.)\;15+7+5=27\\3.)7+8+6=21\\4.)35.15+14.18+17.16=66.49\\5.)\;8+5+7=20

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A city doubles its size every 12 years. If the population is currently 500,000, what will the population be in 24 years?
vesna_86 [32]
2,000,000 because 24/12 is 2 so you double it twice
7 0
3 years ago
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Solve the following using substitution method
Wewaii [24]

Solution :

2a + 2b = 7    ...1)

4a + 3b = 12   ...2)

In equation, 1)

a = (7 - 2b)/2   ...3)

Putting value of a in equation 2) we get :

4 × (7 - 2b)/2  + 3b = 12

2( 7 - 2b ) + 3b = 12

14 - 4b + 3b = 12

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Putting value of b in 3) we get :

a = ( 7 - 2×2)/2

a = 3/2 = 1.5

Now,

2x - 3y = 16   ...5)

x + 2y = -6    ...6)

x = -6 - 2y

Putting above value of x in eq 5) , we get :

2( -6 - 2y ) - 3y = 16

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Hence, this is the required solution.

6 0
3 years ago
5) Find the value of the term in the arithmetic sequence. (an = a1 + (n - 1)d) 11,
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Answer:

139, I am sorry if I'm wrong

Step-by-step explanation:

a1=11; d=19-11=8

a17=11+(17-1)*8=11+128=139

6 0
3 years ago
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Answer:

c is the right answer of this

3 0
3 years ago
Read 2 more answers
Please help me solve this.
Vlada [557]

Answer:

<h2>I think that is a FORMULA.</h2>

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Hope this helps.

Good luck ✅.

8 0
2 years ago
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