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Svetach [21]
2 years ago
13

Expand the expression 4(x - 3)

Mathematics
2 answers:
Reika [66]2 years ago
6 0

Answer:

4x-12

Step-by-step explanation:

i am not sure the answer

Cloud [144]2 years ago
4 0
<h2><u>Expressions</u></h2>

<h3>Expand the expression 4(x - 3)</h3>

To expand an expression, apply distributive property.

  • 4(x - 3)
  • 4x - 12

<em>(See picture for better understanding)</em>

Wxndy~~

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How many seconds are in 20 days math ??
navik [9.2K]

Answer:

1,728,000

Step-by-step explanation:

there are 86400 seconds in a day so you have to multiply 86400 times 20

8 0
3 years ago
Read 2 more answers
Hem dibuixat tres rectangles. En el primer, la llargada mesura 3 cm més que l'amplada. El segon i tercer rectangle tenen unes di
quester [9]

Resposta:

Primer rectangle:

Amplada = 11

Longitud = 14

Segon rectangle:

Amplada = 12

Longitud = 15

Tercer rectangle:

Amplada = 13

Longitud = 16

Explicació pas a pas:

Donat que:

Primer rectangle:

Amplada = x

Longitud = x + 3

2n rectangle:

Augment de la dimensió d'1 cm respecte al primer rectangle;

Amplada = x + 1

Longitud = x + 4

3r rectangle:

Augment de la dimensió de 2 cm respecte al primer rectangle;

Amplada = x + 2

Longitud = x + 5

Suma dels tres perímetres del rectangle:

Perímetre d'un rectangle: 2 (l + O)

Primer rectangle:

2 (x + x + 3) = 2 (2x + 3) = 4x + 6

2n:

2 (x + 1 + x + 4) = 2 (2x + 5) = 4x + 10

3r:

2 (x + 2 + x + 5) = 2 (2x + 7) = 4x + 14

Suma de perímetres = 162

(4x + 6 + 4x + 10 + 4x + 14) = 162

12x + 30 = 162

12x = 162 - 30

12x = 130

x = 11

Per tant,

Primer rectangle:

Amplada = 11

Longitud = 11 + 3 = 14

2n rectangle:

Amplada = 11 + 1 = 12

Longitud = 11 + 4 = 15

3r rectangle:

Amplada = 11 + 2 = 13

Longitud = 11 + 5 = 16

8 0
3 years ago
10.) Calculate the definite integral
Basile [38]

The indefinite integral ∫dx/x is ln(x), so your integral is

... 7(ln(15)-ln(3)) = 7ln(15/3)

... = 7ln(5) ≈ 11.266065387

6 0
4 years ago
Read 2 more answers
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zhuklara [117]

Answer:

y = 9 * bˣ

Step-by-step explanation:

y = a * bˣ

9 = a * b⁰ = a * 1

a = 9

4608 = 9 * b³

b³ = 512

b = 8

y = 9 * bˣ

5 0
3 years ago
WHATS THE AREA OF THE TRAPIZOID?!
Helen [10]

Answer: 45.. i think.

Step-by-step explanation: I couldn't really get the measurements from this photo so here is what I got. I used the formula A=a+b over 2 times h. I used 7=a, b=11,h=5. I added 7 and 11 to get 18, then divide that by 2, which equals 9. Then 9 times 5 = 45. I hope this somewhat helps.

3 0
3 years ago
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