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Marina CMI [18]
3 years ago
5

Let n be equal to 156% of 70. Which of the following proportions is true?

Mathematics
1 answer:
aniked [119]3 years ago
6 0
Well all u have to do is 156%*70= 109.2 so N= 109.2
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borishaifa [10]

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Step-by-step explanation:

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Solve the following by elimination method <br> 11x+15y+23=0 and 7x-2y-20=0
mr Goodwill [35]
Let 11x + 15y + 23 = 0 be equation (1)
And 7x - 2y - 20 = 0 be equation (2)

Multiply equation (1) by 2:
22x + 30y + 46 = 0

Multiply equation (2) by 15:
105x - 30y - 300 = 0

Add equations (1) and (2):
22x + 105x + 30y - 30y + 46 - 300 = 0
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Substitute x = 2 in equation (1) to find y:
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ser-zykov [4K]
The answer is trapezoid because a trapezoid does not have parallel sides
3 0
3 years ago
Which expression is equivalent to 5 ^6
Elden [556K]

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The height of a triangle is 2cm more than the base of the height is increased by 2cm while the base remains the same the new are
san4es73 [151]

Answer:

Remember that a triangle's area is bh/2, where

b = base

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So. You start with a triangle of base b and height h, add 2 to the height, and get a triangle of area 82.5.

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b(h+2) = 165

What you want to do from here is test the b and h from the choices given, and figure out which b and h satisfy this.

(a) If b=13 and h=15, b(h+2) = 221 nope.

(b) If b=9 and h=11, b(h+2) = 117 nope.

(c) If b=11 and h=13, b(h+2) = 165 that's it!

Step-by-step explanation:

4 0
3 years ago
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