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VladimirAG [237]
3 years ago
8

The sum of two numbers is 57 The larger number is 15 more than the smaller number. What are the numbers?

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0
X+y=57
y=x+15
x+x+15=57
2x=42
x=21
y=21+15
y=36
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If a₁ = 4 and an = 5an-1 then find the value of a5.
igor_vitrenko [27]

The value of a_{5} is 2500, when a_{1}=4 and 5a_{n-1}.

Given that, a_{1}=4 and 5a_{n-1}.

We need to find the value of a_{5}.

<h3>What is an arithmetic sequence?</h3>

An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.

Now, to find the value of a_{5} :

a_{2} =5a_{2-1}=5a_{1}=5 \times4=20

a_{3} =5a_{3-1}=5a_{2}=5 \times20=100

a_{4} =5a_{4-1}=5a_{3}=5 \times100=500

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2 years ago
HELP! This needs to be answered ASAP!
andriy [413]

Answer:

it will take 4 hours( I'm not so sure)

Step-by-step explanation:

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1h. 1h

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8 0
3 years ago
8) 7(p-6)= 8p - 34<br> any chance i can get the steps on how to solve this?
yan [13]

Answer:

Step-by-step explanation:

7(p-6)=8p-34

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isolate p by adding 34 to both sides

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Hope this helps! :)

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dybincka [34]

Answer:

Step-by-step explanation:

8

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3 years ago
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Dimas [21]

Answer:70%

Step-by-step explanation: Convert the fraction to a decimal, then multiple by 100.

4 0
3 years ago
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