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sertanlavr [38]
3 years ago
13

Helpppp hate factorisation

Mathematics
2 answers:
bazaltina [42]3 years ago
7 0
The answer is (x-42)×(x+42)
goldenfox [79]3 years ago
4 0
A. (x - 42)(x - 42)

b. (58-42)(58+42)= (16)(100)= 1,600
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Instructions: Drag each tile to the correct location on the algebraic problem. Not all tiles will be used.
jolli1 [7]
The steps involving properties of equality are shown in painful detail.

For Step 4, you add 7 to both sides of the equation (with the goal of cancelling the -7 on the left). So you have
  6x -7 +7 = 12 +7 . . . . . . . showing 7 added to both sides

In the next step, this is simplified to the way you might have written it to start with:
  6x = 19

There should be no confusion in any of this. All solutions of all equations make use of the properties of equality like this. Addition is used to cancel subtraction, division is used to cancel multiplication. (Root-taking cancels powers, and vice-versa; inverse trig functions cancel trig functions; and so on.)

6 0
3 years ago
Read 2 more answers
Probability of landing in the white not the red. Please helpppppppppppp!
Iteru [2.4K]

Fun, geometry disguised as probability.

That's a pentagon, which we can view as 10 right triangles with legs a and s/2 (half of s) and hypotenuse r.  So area of the pentagon is

P = 10 × (1/2) a (s/2) = 10 (1/2) (3.2) (4.7/2) = 37.6

The area of the circle is πr² so the circle area is

C = π (4²) = 50.265482

The white area is the difference, C-P, and the probability we seek is the fraction of the circle that's white, so (C-P)/C.

p = (C-P)/C =1-P/C = 1-37.6/50.265482 = 0.251971

Answer: 0.25

Higher than I would have guessed from the figure.

7 0
3 years ago
Find the value of y.<br><br> 5<br> 8<br> 4<br> 2<br><br> 50 Pts!
Vinvika [58]

Answer and Explanation:

Since this is a 30-60-90 triangle, you can use the ratio of side lengths specific to this type of triangle:

x = 4√(2)

y = 2(4) = 8

because where 4 = T,

x = T√2    and     y = 2T

so again:

x = 4\sqrt{2}\\y = 8

8 0
3 years ago
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HELP ME PLS I DONT HAVE TIME
chubhunter [2.5K]

Answer:

A is true.......................b is false....................and c is false

Step-by-step explanation:

6 0
3 years ago
Solve for x<br> 510<br> (2x + 3)<br> 65%<br> 60°<br> 64°<br> 43<br> (3x - 1)º
marshall27 [118]

Answer:

2x plus 3 hope this helps. Mark as brainlist

5 0
3 years ago
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