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VARVARA [1.3K]
3 years ago
14

Please help i am desperate.

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
5 0

Answer:

3y +9 = perimeter

Step-by-step explanation:

prisoha [69]3 years ago
4 0

Answer:

4y+9

Step-by-step explanation:

To find the perimeter , you have to add up all the 4 sides

so y + y+2 + y+4 + y+3 = 4y+ 9

hope it helps

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Can someone help me please?!?
Damm [24]

Answer:

k=10

Step-by-step explanation:

g(x)=2x^2+ kx+18

when x=-2

g(-2)=2 (-2)^2 -2k +18

Since when x is -2, y =6

6=2 (-2)^2 -2k +18

6=18+8-2k

2k=26-6

2k=20

k=10

7 0
3 years ago
In ΔEFG, the measure of ∠G=90°, the measure of ∠E=6°, and GE = 71 feet. Find the length of EF to the nearest tenth of a foot.
djyliett [7]

Answer:68.2

Step-by-step explanation:

cos6=71/EF

cos6= 0.960170286650366

0.960170286650366= 71/EF

0.960170286650366*71=EF

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3 0
3 years ago
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Iteru [2.4K]

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5 0
1 year ago
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Find the value of x. Please help!!!
DanielleElmas [232]

Answer:

51+(4x+7)=90

4x+58=90

-58      -58

4x=32

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Step-by-step explanation:

3 0
3 years ago
4−(3−5)=. <br><br> does anyone know what this is ??
Nataly [62]
You have to do whatever is in the parentheses first which gets you:

4-(-2)

Two negatives equal one positive so it would be:

4+2


And 4 plus 2 is of course 6.
5 0
3 years ago
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