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lara31 [8.8K]
4 years ago
6

HELP PLEASE! A.(3,2) B. (3,1) c.(2,3) d(1,3)

Mathematics
1 answer:
Sedbober [7]4 years ago
5 0
The answer is C. When you plug (2,3) into y=2x-1 and y= -x+5 you get 3=3.
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Basic factoring. Please help!
irakobra [83]

Answer:

-1(3 - y)

Step-by-step explanation:

If you factor out a negative 1, you will get the opposite signs you already have, so -1(3 - y). To check, we can simply distribute again:

-3 + y

So our answer is 2nd Choice.

3 0
3 years ago
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
Help find the perimeter! Please help! (30 points)
lord [1]
The perimeter is 16, according to my calculations.
5 0
3 years ago
Read 2 more answers
2x+3y when x=10 and y=5 how do i solve
chubhunter [2.5K]

Answer:

35

Step-by-step explanation:

When x=10 and y=5.. And 2x + 3y

Then put it as:

2(10) + 3 (5)

Solve:

2(10) = 20

3(5) = 15

20 + 15 = 35

[RevyBreeze]

4 0
3 years ago
Find the area of the parallelogram.
KiRa [710]
Answer: 5.1 mi.
Explanation: Just multiply both of the numbers to find your answer.
1.5*3.4=5.1
7 0
3 years ago
Read 2 more answers
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