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3 years ago

PLEASE KNOW BEFORE YOU ANSWER.

Mathematics

1 answer:

barxatty [35]3 years ago

8 0

Answer:

The error is the exponent in the answer should be 11.

Step-by-step explanation:

When you move the decimal place one spot as they do in the final step to move it from a base 10 to a base 1, we have to add a exponent on. Therefore, it should go from 10 to 11.

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7(5+2x)+x=65 someone please help me with this equation

sp2606 [1]

Answer:

x=2

Step-by-step explanation:

7(5+2x)+x=65

35+14x+x=65

35+15x=65

15x=65-35

15x=30/15

x=2

8 0

3 years ago

Read 2 more answers

Enter the finite geometric series from its given description, and then enter its sum.

Mama L [17]

Answer:

$a_n= 4(-5)^{(n-1)}$

-10416

Step-by-step explanation:

a = 4

r = -5

geometric series: $a_n=ar^{(n-1)} = 4(-5)^{(n-1)}$

Determine which term = -12500:

$a_n=-12500$

$4(-5)^{(n-1)}=-12500$

$(-5)^{(n-1)} = -3125$

$(5)^{(n-1)} = 3125$

$(n-1)ln(5) = ln(3125)$

$n-1 = ln(3125)/ln(5) = 5$

$n = 5 + 1 = 6$

$a_6=-12500$

Using geometric sum series formula: $S_n=\frac{a(1-r^n)}{1-r}$

Therefore, $S_6=\frac{4(1-(-5)^6)}{1-(-5)} =\frac{-62496}{6} =-10416$

4 0

2 years ago

The following is a model showing the solution to an equation. x - 34 = 13 x - 34 + 34 = 13 + 34 x = 47 What property of equality

yanalaym [24]

Answer:

B.) Addition*Additive property of equality

Step-by-step explanation:

You add 34 to both sides of the equation to find what x was equal to

Hope I helped

8 0

3 years ago

3. What equation matches the known dimensions of the prism below? Volume: 36 in 3 ? in . (3 in. 4 in. 36 ? x 4 = 3 4x 3 x 36 = ?

alexdok [17]

Answer:

i think its 4 × 3 × ? = 36

Step-by-step explanation:

i hope this helps

if not i am really sorry

7 0

2 years ago

The question in image... again, please help

Aleksandr-060686 [28]

Answer: it looks like D

Step-by-step explanatio

7 0

3 years ago