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VMariaS [17]
3 years ago
13

Plzzzzzzz Hallllpppppppppppppppppppp

Mathematics
2 answers:
rodikova [14]3 years ago
6 0

Answer:

Step-by-step explanation:

how

Alenkinab [10]3 years ago
6 0

Answer:

The answer is B.

Step-by-step explanation:

To express a number in scientific notation it has to be expressed in the form a x 10^n

Where 1 < a < 10 and n is an integer

rewrite 1236 as a number between 1 and 10 ie. 1.236 and to get it equal to it's original value we have to multiply by 1000.

So 1236 = 1,236 * 10^3

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Irina-Kira [14]

Answer:

i would say 2179

Step-by-step explanation:

When looking at a number line the numbers go in order from least to greatest with positive numbers. So I would put the numbers least to greatest.

6 0
3 years ago
Given the figures are similar, calculate the perimeter of the ABCDE.
Vsevolod [243]

Let the length of side AB be $x$, then

\cfrac{x}{2}=\cfrac{12}{4}\Rightarrow4x=24\Rightarrow x=\cfrac{24}{4}=6.

Therefore, the perimeter of ABCDE is 2(12) + 2(4) + 6 = 24 + 8 + 6 = 38 in.

7 0
3 years ago
In the figure, a || e, m || n , and m&lt;1 = 108°
antoniya [11.8K]

Answer:

108°

Step-by-step explanation:

Angle 1 = Angle 2

Vertically opposite angles

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6 0
3 years ago
Consider the triangle.
leva [86]

Answer:

58.5

Step-by-step explanation:

since a triangle consists 180 degrees, 180-90-31.5 would equal 58.5

6 0
3 years ago
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Factor the expression below.<br> x2 - 81
gizmo_the_mogwai [7]

Answer:

x-9

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