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scoundrel [369]
3 years ago
15

How you solve 18= 4+2n

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0
18 = 4 + 2n
18 - 4 = 2n
14 = 2n
n = 14/2
n = 7
You might be interested in
Which expressions are less than 7/8? Choose all answers that apply: 7/8 x 9/15 7/8 x 3/4 7/8 x 9/9 7/8 x 4/3 ​
seraphim [82]

Question

Which expressions are less than 7/8? Choose all answers that apply:

a) 7/8 x 9/15

b) 7/8 x 3/4

c) 7/8 x 9/9

d) 7/8 x 4/3 ​

Answer:

a) 7/8 x 9/15

b) 7/8 x 3/4

Step-by-step explanation:

We are asked to find which expression are least than 7/8

Solving 7/8 = 0.875

We would evaluate the given option one after the other.

a) 7/8 x 9/15

= 63/120 = 0.525

b) 7/8 x 3/4

= 21/32 = 0.65625

c) 7/8 x 9/9

= 7/8 × 1 = 7/8 = 0.875

d) 7/8 x 4/3

= 7/6 = 1.1666666667

Therefore, from the above calculation, the expressions are less than 7/8 are

option a) a) 7/8 x 9/15 and b) 7/8 x 3/4

6 0
3 years ago
11/n = 8/5 solve for n
iragen [17]

Answer:

n = 55/8

Step-by-step explanation:

You can solve it by cross multiplying. Where you multiply the denominator of the fraction on the left side with the numerator on the right side, and vice versa.

11/n = 8/5

n x 8 = 11 x 5

8n = 55

n = 55/8

(or 6.875)

3 0
3 years ago
Read 2 more answers
Help!!!!!!!!!!!!!!!!!
azamat

Answer:

1. D 2. B 3. C

Step-by-step explanation:

WARNING: I am not 100% sure about 2.

1. If you simplify the first part of the equation for letter D, you'll realise it is the same equation.

2. It is either B or D. I believe it is B because you would not have to multiply 4 again.

3. The square root of 121 is eleven, the square root of x^2 is x. x=11.

4 0
4 years ago
HELP ASAP
Sindrei [870]

Answer:

median = 27

range = 29

mode = 32

maximum value = 41

interquartile range = 21

minimum = 12

upper quartile = 35

mean = 25

lower quartile = 14

Step-by-step explanation:

hope i helped

8 0
3 years ago
1. 3x = 18<br> 2. 3 + x = 18<br> 3. 17 - 6 = x<br> Help please
soldi70 [24.7K]

Answer:

1. 6

2. 15

3. 11

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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