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Julli [10]
3 years ago
5

1. When solving the equation: 8n -2 = 1 +n + 5 + 6, Response area could NOT be the first step that would yield a solution

Mathematics
1 answer:
Hatshy [7]3 years ago
8 0

Answer:

n = 2

Step-by-step explanation:

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From 42 acres to 72 acres (round to the nearest percent
guajiro [1.7K]

Answer:

42 acres to 72 acres, there is an increase of 30 acres

percentage wise

72-42=30

30/72=.4166...

therefore there is also a 41.6% increase

Step-by-step explanation:

71.42 Percentage change:×100%

Now, the change is given from 42 acres to 72 acres, therefore

Change= 72-42=30

⇒Percentage change= ×100%

                                   = 71.42

8 0
3 years ago
Find the missing length in the image below
lara31 [8.8K]

Let it be x

Using basic proportionality theorem

\\ \sf\longmapsto \dfrac{x}{10}=\dfrac{14}{7}

\\ \sf\longmapsto \dfrac{x}{10}=2

\\ \sf\longmapsto x=10(2)

\\ \sf\longmapsto x=20

7 0
3 years ago
( 8n - 3n^4 + 10n ^2 ) - ( 3n^2 + 11n ^4 - 7)
DanielleElmas [232]

Answer:

-14n^4 + 7n^2 + 8n + 7

Step-by-step explanation:

( 8n - 3n^4 + 10n^2 ) - ( 3n^2 + 11n^4 - 7)

8n - 3n^4 + 10n^2 - 3n^2 - 11n^4 + 7

- 14n^4 + 7n^2 + 8n + 7

3 0
2 years ago
Read 2 more answers
If the variance of the ages of the people who attended a rock concert is 22, what is the standard deviation of the ages? Round y
antoniya [11.8K]
For the answer to the question above asking i<span>f the variance of the ages of the people who attended a rock concert is 22, what is the standard deviation of the ages?
The answer is sqrt of 22

which is </span><span>4.69041575982 or 4.69
 I hope my answer helped you.</span>
7 0
3 years ago
Read 2 more answers
A square pyramid has sides of 8 m. Each face is an equilateral triangle.
Annette [7]

Lateral Area means Area of all four triangles

Now area of 1 triangle = \frac{\sqrt{3}}{4} a^2  =  \frac{\sqrt{3}}{4} 8^2

= \frac{\sqrt{3}}{4} * 64 = 16\sqrt{3} square meters

Now for four triangles we multiply by 4

So

Lateral area of pyramid =4* 16\sqrt{3} = 64\sqrt{3} m^2

that is Option D

3 0
3 years ago
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