3 years ago

Simplify the following expressions. Group like terms together first.

Mathematics

1 answer:

Zina [86]3 years ago

4 0

Is there a number to letter chart or not because if not its going to b a little difficult

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What 2+2 x10+2X2+10=

erastova [34]

Answer:

Step-by-step explanation:

Use PEMDAS:

2*10 is 20

2*2 is 4

So the equation is now

2+20+4+10=

Now add:

Thus the solution is 36

Hope this helps!

4 0

3 years ago

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Complete the recursive formula of the geometric sequence 16\,,\,3.2\,,\,0.64\,,\,0.128,...16,3.2,0.64,0.128,

Nastasia [14]

Answer:

$a_{n+1}=0.2a_n$ for all n>0, $a_1=16$

Step-by-step explanation:

Let $\{a_n\}=\{16,3.2,0.64,0.128,\cdots \}$ be the sequence described.

A geometric sequence has the following property: there exists some r (the ratio of the sequence) such that $\frac{a_{n+1}}{a_n}=r$ forr all n>0.

To find r, note that

$\frac{3.2}{16}=\frac{32}{10(16)}=\frac{2}{10}=\frac{1}{5}=0.2$

Similarly

$\frac{0.64}{3.2}=\frac{64}{10(32)}=\frac{1}{5}=0.2$

$\frac{0.128}{0.64}=\frac{1}{5}=0.2$

Thus $a_{n+1}=r a_n=\frac{a_n}{5}=0.2a_n$ for all n>0, and $a_1=16$

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4 years ago

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viva [34]

Answer:

A. y=-2x+5

Step-by-step explanation:

y=mx+b , m represents slope (-2), b represents y intercept (5)

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3 years ago

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Ok so if i want to build a city using 40 x 40 grid but i only wanna use 3/4 of the grid with titan fencing (300 dollars a square

astraxan [27]

160 plus 300 equal 460

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4 years ago

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Andre45 [30]

X = 3 and x = 4 will make the polynomial = 0

answer
C. 3 and 4

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3 years ago

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