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Alborosie
3 years ago
5

Please help and show work

Mathematics
1 answer:
Artemon [7]3 years ago
6 0

Answer:

175 is the answer

Step-by-step explanation:

5x5=25

25x7=175

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(x+2)(2x+1)+(x+2)(2x-3) factorizar
koban [17]

Answer:

(x + 2)(4x - 2).

Step-by-step explanation:

(x+2)(2x+1)+(x+2)(2x-3)

Note that  (x + 2) is common to 2 parts of the expression. So we have:

(x + 2)(2x + 1 + 2x - 3)

= Ix + 2)(4x - 2)

8 0
3 years ago
Find the sum of the following infinite sequence: 8, 2, .5, …
lubasha [3.4K]
Answer:
10.67

Explanation:
The given series is a geometric series:
8 , 2 , 0.5 , ...... etc

The general formula of the geometric sequence is:
a1 , a1*r , a1*r² , ......

Comparing the general form with the given, we would find that:
a1 = 8
a1 * r = 2
Therefore:
8*r = 2
r = 2/8 = 0.25

We can double check using another term as follows:
a1 = 8
a1*r² = 0.5
8r² = 0.5
r² = 0.5/8 = 0.0625
r = √0.0625 = 0.25

Now, we will get the sum of the sequence as follows:
S = \frac{a1}{1 - r} = \frac{8}{1 - 0.25} = 32/3 = 10.67

Hope this helps :)
3 0
3 years ago
Write 39% as a fraction.
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39/100 this is the answer of 39% as a fraction h
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Mason took out an $800 loan from the
salantis [7]
The annual interest would be $24 since 120=5 years, 120 divided by 5 equals 24
4 0
3 years ago
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In the graph shown below, what is f(2)?
ira [324]

The answer is A. f(2) = 2

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8 0
3 years ago
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