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Sladkaya [172]
3 years ago
10

The bottom of a ladder is placed 4 feet from the side of a building. The top of the ladder must be 13 feet off the ground.

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
6 0

Answer:14

Step-by-step explanation:

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10) Identify three points that are solutions to the system
arlik [135]

Answer: - x + 3

y>3x + 1

Step-by-step explanation:

7 0
3 years ago
Why do interest rates on loans tend to be higher in a strong economy than in a weak one?
AlladinOne [14]
The i greasy that takes la lonay is called why it is the most internet and it has hightee interest rates .&.&.&




explain-589’:
8 0
3 years ago
1<br> The coefficient of x2 in the expansion of 2x +1 by 3 whole square
posledela

Answer:

1 +6 x + 12 x 2 + 8x 3

Explanation:

We must use our knowledge of the binomial expansion:

Method 1:

We can use:

(

x

+

1

)

n

=

1

+

n

x

+

n

(

n

−

1

)

2

!

x

2

+

n

(

n

−

1

)

(

n

−

2

)

3

!

x

3

+

...

Substituting  

n

=

3

and  

x

for  

2

x

 

⇒

(

2

x

+

1

)

3

=

1

+

(

3

⋅

2

x

)

+

3

⋅

2

2

!

⋅

(

2

x

)

2

+

3

⋅

2

⋅

1

3

!

⋅

(

2

x

)

3

 

=

1

+

6

x

+

12

x

2

+

8

x

3

Method 2:

We can use:

(

A

+

B

)

n

=

A

n

+

(

n

1

)

A

n

−

1

B

1

+

(

n

2

)

A

n

−

2

B

2

+

...

Letting  

A

=

2

x

and

B

=

1

for this circumstance:

(

2

x

+

1

)

3

=

(

2

x

)

3

+

(

3

1

)

(

2

x

)

2

(

1

)

+

(

3

2

)

(

2

x

)

1

(

1

)

2

+

(

3

3

)

(

2

x

)

0

(

1

)

3

=

8

x

3

+

12

x

2

+

6

x

+

1

Step-by-step explanation:

6 0
3 years ago
If Angela has $500 to invest at 2.5% per annum compounded quarterly, how long will it be
11Alexandr11 [23.1K]
N = number of compounding periods
Years = log (total / principal) / n * log (1 + rate / n)
Years = log (750 / 500) / 4 * log (1 + .025/n)
Years = log (1.5) / 4 * log (1<span><span>.00625) </span>
</span> <span>Years = 0.17609125906 / 4 * 0.0027058933759
</span><span>Years = 0.17609125906 </span> / <span> <span> <span> 0.0108235735 </span> </span> </span>
Years = <span> <span> <span> 16.2692348382 </span> </span> </span>

Source Calculator
http://www.1728.org/compint.htm


5 0
3 years ago
What is the value of the expression [36-9+(8x6)-21]divided by 3
shusha [124]

Answer:

12-3+(2.7x2)-7

Step-by-step explanation:

you would have to divide each number in the equation by 3 which would look like this:

36 / 3 = 12

-9 / 3 = -3

8 / 3 = 2.6666 repeating, which would be rounded up to 2.7

6 / 3 = 2

-21 / 3 = -7

i hope this helps :)

6 0
3 years ago
Read 2 more answers
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