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3 years ago

Help me with this problem please.

Mathematics

2 answers:

Ganezh [65]3 years ago

8 0

Answer:

I believe its 7?

Step-by-step explanation:

sorry if this is wrong

bazaltina [42]3 years ago

5 0

7 i think i’m not sure

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Write the expression in complete factored<br> form.<br> 5(a - 5) + a(a -5) =

balu736 [363]

Answer:

a^2 - 25

Step-by-step explanation:

5(a-5) turns into 5a - 25

a(a-5) turns into a^2 - 5a

added together, it's a^2 - 25

8 0

2 years ago

Please explain every step

pogonyaev

<h3>Answer:</h3>

761680

<h3>Explanation:</h3>

$\sf \boxed{\sum _{n=1}^{44}\:60\left(1.2\right)^{n-2}}$

<u>Identify the following's</u>:

First Term [a] = 60(1.2)ⁿ⁻² = 60(1.2)¹⁻² = 50

Common ratio [r] = 1.2

Total Terms [n] = 44

===========================

$\sf Geometric \ Sum \ of \ Terms = \dfrac{a(r^n - 1)}{r-1}$

===========================

Solving Steps:

<em /> $\rightarrow \sf \dfrac{a(r^n - 1)}{r-1}$ <em />

<em />

<em /> $\rightarrow \sf \dfrac{50(1.2^{44} - 1)}{1.2-1}$ <em />

<em />

<em /> $\rightarrow \sf 761679.5808$ <em />

<em />

$\rightarrow \sf 761680 \ \ \ (rounded \ to \ nearest \ integer)$

8 0

2 years ago

P+1/p=7 then p^3+1/p^3

arlik [135]

This is your perfect answer

4 0

3 years ago

Solve x^2+3x+2=0 using the quadratic formula

zzz [600]

Answer:

x=−1,−2

Step-by-step explanation:

thats the answer

8 0

2 years ago

Whats the square root of 15?

lapo4ka [179]

Answer:

The square root of 15 in exact form but in decimal form its 3.87298334

Step-by-step explanation:

8 0

1 year ago