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Ket [755]
3 years ago
7

8x-4+6x+15 Msjdndhenebdisnhsjs

Mathematics
1 answer:
quester [9]3 years ago
8 0

2x+11

Step-by-step explanation:

8x-4+6x+15=

8x-6x-4+15+=

2x+11

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lapo4ka [179]
Three is the answer!!!
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3 years ago
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A rectangle has a width of 9 km and a length of 6 km. How does the area change when each dimension is multiplied by 3?
Gnom [1K]

For this case we have that by definition the area of a rectangle is given by:

A = wl

Where

  • <em>w: width of the rectangle </em>
  • <em>l: length of the rectangle </em>

The area of the original rectangle is given by:

A1 = (9) (6)\\A1 = 54

The area of the new rectangle is given by:

A2 = (3 * 9) (3 * 6)\\A2 = 9 * (9) (6)\\A2 = 9 * 54\\A2 = 9 * A1

Therefore, the original area increases with a factor of 9.

Anwer:

the original area increases by a factor of 9.

A2 = 9 * A1

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3 years ago
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Timed please help added picture​
DaniilM [7]

Answer:

\sqrt[4]{2}^{3}

Step-by-step explanation:

7 0
3 years ago
A shopper bought 7 ears of corn and 6 pounds of bananas and paid $5.15. At the same store, another shopper bought 4 ears of corn
Novay_Z [31]

Answer:

$0.70 per ear of corn

Step-by-step explanation:

Let c = Ear of corn

Let b = pound of bananas

First shopper:

7c + 6b = $5.15

Second Shopper:

4c + 1b = $1.85

Solve one equation for b since you are solving for c:

4c + 1b = $1.85

b = $1.85 - 4c

Substitute into other equation:

7c + 6b = $5.15    <---  b = $1.85 - 4c

7c + 6 ($1.85 - 4c) = $5.15

7c + $11.1 - 24c = $5.15

-17c + $11.1 <em>- $11.1</em> = $5.15 <em>- $11.1</em>

-17c <em>/-17</em> = -$11.85 <em>/-17</em>

c = $0.70 per ear of corn

Leave a like and mark brainliest if this helped

3 0
3 years ago
2x-9 x=3 ..............................
WINSTONCH [101]

Answer:

3

Step-by-step explanation:

g

4 0
3 years ago
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