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Kay [80]
2 years ago
13

Can someone check this for me please? Thank you!

Mathematics
2 answers:
8090 [49]2 years ago
6 0

Answer:

Yes.

Step-by-step explanation:

Yes, but I would write the equation as 3/ (2n) so that it is not understood as

'3/2 times n'.

sineoko [7]2 years ago
5 0

Step-by-step explanation:

You've got the concept correct, but be careful with your parentheses.  You should write it 3/(2n).  Otherwise it looks like three halves n.

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Owing each step. Wri<br>7(m + 5) = 21​
Karo-lina-s [1.5K]

Answer:

m=-2

Step-by-step explanation:

7(m+5)=21

m+5=21/7

m+5=3

m=3-5

m=-2

6 0
3 years ago
Read 2 more answers
An equilateral triangle has sides of length 2 units. A second equilateral triangle is formed having sides that are 150% of the l
murzikaleks [220]

Answer:

The percent increase in the perimeter is 337.5%

Step-by-step explanation:

The easiest way to approach this problem is by using consecutively the simple rule of three.

If the first triangle has sides of length two then, we can compute the second triangle's sides length as follows:

2 units------100%

X units------150%    

this way

X = 2*\frac{150}{100}\\ X =2*1.5\\X=3units.

Now for the third triangle we repeat the same process

3 units------100%

X units------150%  

getting that the length of the sides for the third triangle is

X = 3*\frac{150}{100}\\ X =3*1.5\\X=4.5units.

Now for the last triangle we repeat the same process

4.5 units------100%

X units------150%  

getting that the length of the sides for the last triangle is

X = 4.5*\frac{150}{100}\\ X =4.5*1.5\\X=6.75units.

Now, we need to know the perimeter of the first and last triangle. This can be calculated as the sum of the length of the sides of the triangle.

For the first triangle

P_{first}=2+2+2\\P_{first}=6

and for the last triangle

P_{first}=6.75+6.75+6.75\\P_{first}=20.25.

To compute the percent increase in the perimeter from the first to the fourth triangle we will use one last simple rule of three (this time the percentage will be the variable)

6 units------100%

20.25 units------X%

so

X = 100\frac{20.25}{6}\\ X=337.5\%.

4 0
3 years ago
The squirrel could store 48 nuts in a hiding place. If there were 768 nuts to hide, how
Dmitrij [34]

Answer:

16 hiding places

Step-by-step explanation:

768/48

=16

nuts hided/storing the nuts

7 0
3 years ago
Read 2 more answers
Charlie is choosing between two exercise routines.
julia-pushkina [17]
Waking would burn more calories. I think. I may be wrong. Sorry.
3 0
3 years ago
GUYS PLZ HELP ME!!!!!!
siniylev [52]

Answer:

B E F G

Step-by-step explanation:

Polygons are 2 dimensional shapes with straight edges (no curved edges). The shape needs to be closed up entirely to be a polygon. It cannot have any intersecting line segments

A can't be a polygon because the shape isn't closed up entirely

C can't be a polygon because it is a 3d shape

D can't be a polygon because it has curved edges.

H can't be a polygon because it isn't closed up (there are no line segments).

I can't be a polygon because polygons cannot have intersecting lines

J can't be a polygon because polygons cannot have intersecting lines

I hope this helps! If it does, a rate or brainliest would be much appreciated. :)

7 0
3 years ago
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