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3 years ago

What is the value of 5 - (-5)?

Mathematics

2 answers:

OlgaM077 [116]3 years ago

7 0

( - -) will be (+)
5+5=10

Mumz [18]3 years ago

4 0

Answer:

Step-by-step explanation:

Two negatives equal a positive.

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Find the propertyof real numbers illustrated by the equation -4(x+4)=-4x-16

asambeis [7]

Answer:

distributive property of multiplication over addition

Step-by-step explanation:

The distributive property of multiplication over addition:

a(b + c) = ab + ac

You have

-4(x + 4) = -4x - 16

which is an application of that property.

Answer: distributive property of multiplication over addition

6 0

3 years ago

Susan buys 2 CDs. Each CD costs $10.99 plus 6% tax. How much change will Susan receive if she gives the cashier $30.00? 10 POINT

Sonja [21]

Total 23.30 Cash back 6.70

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2 years ago

Create three geometric sequences of your own (including one that is decreasing). Extend your sequences to include five terms. Th

Karo-lina-s [1.5K]

Answer:

a) $a_n=5\,\,(2)^{n-1}$

b) $b_n=100\,\,(\frac{1}{2} )^{n-1}$

c) $c_n=160\,\,(-\frac{1}{2} )^{n-1}$

Step-by-step explanation:

a) Geometric sequence with first term 5 and common ratio 2, where the nth term can be calculated via:

$a_n=5\,\,(2)^{n-1}$

The first five terms are: $a_1=5;\,\,\,a_2=10;\,\,\,a_3=20; \,\,\,a_4=40;\,\,\,a_5=80$

b) Geometric sequence with first term 100 and common ratio 1/2, where the nth term can be calculated via:

$b_n=100\,\,(\frac{1}{2} )^{n-1}$

The first five terms are: $a_1=100;\,\,\,a_2=50;\,\,\,a_3=25; \,\,\,a_4=12.5;\,\,\,a_5=6.25$

c) Geometric sequence with first term 160 and common ratio -1/2, where the nth term can be calculated via:

$c_n=160\,\,(-\frac{1}{2} )^{n-1}$

The first five terms are: $a_1=160;\,\,\,a_2=-80;\,\,\,a_3=40; \,\,\,a_4=-20;\,\,\,a_5=10$

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3 years ago

Does any one understand number one ? And how do you do it ?

alexdok [17]

Here are the answers for the HW:

6 0

2 years ago

If 2n = 6 then what does n 2 squared equal?

Tema [17]

3 is n and that is the answer

6 0

2 years ago

Read 2 more answers