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Svetllana [295]
2 years ago
11

(2n−9)−5(−2.4n+4) Find the difference

Mathematics
1 answer:
goblinko [34]2 years ago
8 0

Answer:

14n - 29

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

(2n - 9) - 5(-2.4n + 4)

<u>Step 2: Simplify</u>

  1. Distribute -5:                         2n - 9 + 12n - 20
  2. Combine like terms (n):        14n - 9 - 20
  3. Combine like terms (Z):        14n - 29
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Why are you taking a map test in january
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3 years ago
An artist is designing a kite like the one show below. Calculate the area to determine how much material she will need to create
neonofarm [45]

Answer:

The answer is 161.5

Step-by-step explanation:

Step-by-step explanation: The top half of the kite is 6 in times 17 in because 8.5 + 8.5 = 17 so its 102. Half of 102 is 51 so 51 is the area of the top half. The bottom half is 13 in times 17 in which equals 221. Half of 221 is  110.5. Then 110.5 + 51 = 161.5... So your answer is 161.5 square inches.

7 0
2 years ago
A theater has 60 seats on the front row. There are seven additional seats in each following row.
maksim [4K]

Answer:

(a) y(x)=53+7x

(b) 179

Step-by-step explanation:

Since the first row has 60 seats and next row has 7 additional seats then we can represent it as

First row=60

Second row=60+7=67

Third row=67+7=74

The difference is always 7. If you deduct 7 from dirst row we get 60-7=53 seats

To get rhe number of seats in any row x then let y be the number of seats in row x

y=53+7(x)

For raw 1

Y=53+7(1)=60

For raw 2

Y=53+7(2)=67

Therefore, the formula for number of seats at any row will be

y(x)=53+7(x)

(b)

Using the above formula

y(x)=53+7(x)

Replace x with 18 hence

Y(18)=53+7*(18)=179 seats

5 0
3 years ago
73 ÷ 6 = ?<br>(help...)​
mafiozo [28]

Answer:

12.16 it's a continues answer tho

5 0
3 years ago
Read 2 more answers
16(4 1/4) distrubuted
ss7ja [257]

Answer:

68

Step-by-step explanation:

Step 1: Convert fraction to improper

4 1/4 = 16/4 + 1/4 = 17/4

Step 2: Multiply 16 and 17/4

16(17/4) = 272/4 = 68

8 0
3 years ago
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