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mestny [16]
3 years ago
14

12x+3y=-9 find y- intercept​

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

Answer:

3

Step-by-step explanation:

subtract 3y from both sides

add 9 to both sides

3y=12x+9

divide everything by 3

y=4x+3

y-intercept is 3

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wolverine [178]

Answer:

length is 17

width is 14

Step-by-step explanation:

4 0
3 years ago
If I could get help………
charle [14.2K]

Answer:

x1 = 3 \\ y1  = 10 \\ x2 = 5 \\ y2 = 12 \\ y - y1 =  \frac{y2 - y1}{x2 - x1} (x - x1) \\ y - 10 =  \frac{2}{2} (x - 5) \\ y = x - 5 + 10 = x + 5

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8 0
3 years ago
Mrs.Flores’ rectangular garden has a length of 20 meters and width of 15 meters. Her neighbor, Mr.Sosa, has a similar garden in
natima [27]

180 m

Step-by-step explanation:

Information given:

  • length of Mrs. Flores' garden= 20 m
  • width of Mrs. Flores' garden = 15 m
  • Scale factor = 3

Since scale factor is 3, to get measurements of sides Mr. Sosa's garden, sides of Mrs. Flores's have to be multiplied by 3. Hence,

  • length of Mr. Sosa's garden= 3×20= 60 m
  • width of Mr. Sosa's garden= 3×15= 45 m

 Diagonal of a rectangle = √length²+width²

Let Diagonal = D,

D= √60²+45²

=√3600+2025

=√5625

=75 m

If Mr. Sosa cut his garden diagonally,

perimeter= length+width+diagonal

=60+45+75=180 m

7 0
3 years ago
In the list of numbers, 6, x, 10, 2, 7, 13, and 15, the median is 10.
Mice21 [21]

Answer:

<h2>(A) 9</h2>

Step-by-step explanation:

Let’s put the number of the set 6, 10, 2, 7, 13, 15 in order from least to greatest :

2 , 6 , 7 , 10 , 13 , 15

we know that the median is the central value of the number set

then

if the median is 10

then x should be placed between 10 and 13 or 13 and 15

which means

x ≥ 10

therefore

9 could NOT be the value of x

4 0
3 years ago
Evaluate ƒ(x) = –4x – 5 for x = –1.
11111nata11111 [884]
The answer would -1
4 0
3 years ago
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