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s344n2d4d5 [400]
2 years ago
13

Express the perimeter of the following

Mathematics
1 answer:
sammy [17]2 years ago
8 0
The perimeter would be

2(3n - 7) + 2(n + 5)

6n - 14 + 2n + 10

Simplify

8n - 4

So the answer would be C
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I need to know Simplify 2a + 8(b + a) is
KonstantinChe [14]
HELLO !

Okay so what you do is<em> eliminate the parenthesis </em>in the equation because it really helps

So you would multiply 8 and b
Also multiple 8 and a

You would get 8b and 8a

Your equation would look like ...

2a + 8b + 8a = ...

<em>Now you add the alike things in the equation </em>

8a and 2a are the alike things.

Now you would have ...

10a + 8b = ?






4 0
3 years ago
WILL GIVE BRAINLIEST
lions [1.4K]

Answer:

See below in bold.

Step-by-step explanation:

3y - 2x = 9

3y = 2x + 9   Divide through by 3:

y  = 2/3x + 3 is the slope-intercept form.

The y intercept is when x = 0:

y = 2/3(0) + 3

= 3.

The y-intercept is at (0, 3).

6 0
3 years ago
A bag contains 15 green, 18 yellow, and 16 orange balls. One ball is randomly selected. To the nearest percent, what is the prob
kicyunya [14]

Answer:

37%

Step-by-step explanation:

15+18+16=49

49/.37=18.13

Your biggest number is 18 so that means 37%

5 0
3 years ago
Susie ran a race. She ran 5 miles an hour, and the race took her t hours to complete.
Kryger [21]

Answer:

5m+ t = r

Step-by-step explanation:

m is the miles. t is how long she took. and r is for the time limit of the race.

3 0
2 years ago
1) 2678 cm into feet.
strojnjashka [21]
Set up multiplication/division of proportions to cancel out units that you don't want and to introduce units that you do want in your final solution...

2678cm(in/2.54cm)(ft/12in)=2678/30.48 ft≈87.86 ft  (to nearest hundredth)
6 0
3 years ago
Read 2 more answers
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