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vfiekz [6]
4 years ago
7

Please help me...

Mathematics
1 answer:
nasty-shy [4]4 years ago
6 0

i do believe the correct answer would be letter C. terms, 4mn, m, and 5

hope this helps :)

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The base of a triangular door wedge has an area of 55 square centimeters. The height of the wedge is 5 centimeters. Find the vol
V125BC [204]

Answer:

the answer ios yes

Step-by-step explanation:

55-243 equals the sum of 11

8 0
2 years ago
Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 20 miles per hou
zavuch27 [327]
2 (x-20)+2x=38
4x-40=380
4x=420
x=150

The train is 130mph.
4 0
4 years ago
When testing for current in a cable with eight ​color-coded wires, the author used a meter to test five wires at a time. How man
balu736 [363]

Answer:

56 different tests

Step-by-step explanation:

Given:

Number of wires available (n) = 8

Number of wires taken at a time for testing (r) = 5

In order to find the number of different tests required for every possible pairing of five wires, we need to find the combination rather than their permutation as order of wires doesn't disturb the testing.

So, finding the combination of 5 pairs of wires from a total of 8 wires is given as:

^nC_r=\frac{n!}{r!(n-r)!}

Plug in the given values and solve. This gives,

^8C_5=\frac{8!}{5!(8-5)!}\\\\^8C_5=\frac{8\times 7\times 6\times 5!}{5!\times 3\times2\times1}\\\\^8C_5=56

Therefore, 56 different tests are required for every possible pairing of five ​wires.

6 0
3 years ago
Factor the polynomial using the greatest common factor.<br> 4x9 + 3x2. 2x
Andru [333]

Answer:

You can do it maybe ask you teacher for help! thats always okay!

Step-by-step explanation:

8 0
3 years ago
V(v-1)-2(1-v) how to solve this
likoan [24]
Simply going to factorise this:

v(v - 1) -2(1 - v):
                                     Note 1 - v = -(v-1)

<span>v(v - 1) -2(1 - v)
</span>
<span>v(v - 1) -2(-(v - 1))
</span>
<span>v(v - 1) +2(v - 1)</span>

(v + 2)(v - 1)
4 0
3 years ago
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