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Gnesinka [82]
3 years ago
5

What is the value of x in the equation 2(x+3) = 4(x-1)? own

Mathematics
1 answer:
11111nata11111 [884]3 years ago
8 0

Step-by-step explanation:

Solving

2x + 6 = 4x - 4

Bringing like terms on one side

6 + 4 = 4x - 2x

10 = 2x

10 / 2 = x

5 = x

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An election ballot asks voters to select two city commissioners from a group of four candidates. In how many ways can this be do
DanielleElmas [232]
Let n = 12
Let r = 6
Replace every n! with 12 and every r! with 6 and then do the math.
nCr = 12!/[(12 - 6)!*6!]
nCr = 479001600/(720)(720)
nCr = 479001600/518400
nCr = 924
There are 924 ways or combinations to select 6 city commissioners from a group of 12 candidates
8 0
3 years ago
Triangle LMN has side lengths of 32 inches, 16 inches, and 40 inches. Is triangle LMN a right triangle? Justify your answer
madreJ [45]

Answer:

Yes

Step-by-step explanation:

If you use the Pythagorean theorem you will see that it is indeed a right triangle.

8 0
3 years ago
Read 2 more answers
-2 2 the second power<br>​
Novosadov [1.4K]
-4 or -484
if it’s -2 to the 2nd power then it is -4
or if it’s -22 to the 2nd power then it is -484
3 0
3 years ago
Can someone please help me with this question, I have multiple of them and have no idea where to start. If you can help me with
Alika [10]

Answer:

x = 5

Explanation:

Well, there's a theorem about these triangles that helps you solve questions similar to this one.

The theorem states that the sum of the two angles of a triangle is equal to the magnitude of the angle exterior to them.

That is, 33° + (10x+1)° = (17x-1)°

17x - 10x = 33 + 1 + 1

7x = 35 => x = 5

Hope it helps you, mate! :)

6 0
2 years ago
Find the arc length of AB⌢. Round your answer to the nearest hundredth.
gizmo_the_mogwai [7]

Answer:

3.14 ft

Step-by-step explanation:

The arc AB is the minor arc of the given circle. The length l of the minor arc of a circle is given as

l = Ф°/360° × 2πr

where

Ф is the angle of the arc at the center of the circle

r is the radius of the circle and

π is a mathematical constant equivalent to 22/7

r = 8/2 = 4 ft

Hence

l = 45°/360° × 2 × 22/7 × 4

= 22/7 ft

= 3.14 ft

5 0
3 years ago
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