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notsponge [240]
3 years ago
11

A=18cm2 thats in the in side of the rectangle.the out side says 6cm and it says what is the base

Mathematics
2 answers:
Fed [463]3 years ago
4 0
The base is easy to solve for. To solve for it divide 18 by 6 to get the other side length. Other length=3
frez [133]3 years ago
3 0
Okay so a rectangle has 4 sides, and they have 2 equal sides. So the outside is 6cm, so another side must be 6cm. 18-12=4, and 4 divided by 2 is 2. So the base is 2. You can check this by adding all the sides together, and this should equal 18. So 6+6+2+2=18
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3 years ago
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If y is proportional to x and y = -15 when x= -20, what is the value of x when y = 12
ladessa [460]
I hope this helps you




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3 0
4 years ago
11 minus the product of 5 and a number k
Alex787 [66]

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7 0
3 years ago
Solve the system using the elimination method.
spayn [35]

Answer:

  (x, y, z) = (-22/13, 29/13, 6/13)

Step-by-step explanation:

Adding the first and second equations, we get ...

  (3x +2y -3z) +(7x -2y +5z) = (-2) +(-14)

  10x +2z = -16 . . . . collect terms

  5x + z = -8 . . . . . . divide by 2 . . . [eq4]

Adding twice the second equation to the third, we get ...

  2(7x -2y +5z) +(2x +4y +z) = 2(-14) +(6)

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Now, we have two equations with the variable y eliminated. We can subtract [eq5] from 11 times [eq4] to eliminate z:

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From [eq4], we can find z as ...

  z = -8 -5x = -8 -5(-22/13) = 6/13

And from the second equation, we get ...

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The solution is (x, y, z) = (-22/13, 29/13, 6/13).

6 0
3 years ago
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