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devlian [24]
3 years ago
10

Help please? just this question ​

Mathematics
1 answer:
motikmotik3 years ago
3 0
B is your answer blah blah blah
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a rectangle has an area of 102 cm2. the length of the rectangle is 17 cm. what is the perimeter of the rectangle?
Kruka [31]
Area = length *width 

102 = 17*w

w = 102/17 = 6 

l=17
w=6

perimeter = 2l +2w
p = 2(l+w)
p=2*23

p = 46 cm 

hope helped 
4 0
3 years ago
Solve the system using the substituion method<br> -4x+y=8<br> x-3y=9
lions [1.4K]
Hi there!

x - 3y = 9
x = 9 + 3y
 
-4x + y = 8
-4(9+3y) + y = 8
-36 - 12y + y = 8
-36 - 11y = 8
-11y = 44
-y = 4
y = -4

x - 3y = 9
x - 3(-4) = 9
x + 12 = 9
x = 21

So, your answers are y = -4 and x = 21.

Hope this helps!
3 0
3 years ago
Stacey is making a trail mix for the school field trip. The recipe shows the amount of each ingredient needed to make 6 bags. If
solmaris [256]
That she needs to follow the recipe to make some good trail mix for her friends!!!!
3 0
3 years ago
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What is the solution to the following system of equations?<br><br> x+y=5<br> x-y=1<br> step by step
Andreas93 [3]
x+y=5
-x -x

Equals:

y=-x+5

Now you have:

y=-x+5
x-y=1

Insert -x+5 into y

x-x+5=1

Combine like terms

2x+5=1

Subtract 5.

2x=-4

Divide 2.

Answer: x=-2

8 0
3 years ago
Solve the following inequality:
stealth61 [152]
<span>8 ≥ 16y

Divide both sides by 16.

0.5 </span>≥ y, or y ≤ 0.5.

The answer is A) y ≤ 0.5.
3 0
3 years ago
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