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notka56 [123]
3 years ago
12

How do I evaluate the expression? What steps do I take?

Mathematics
1 answer:
Bingel [31]3 years ago
8 0

Answer:

\frac{4+8-2}{6-4}*3-1=\frac{12-2}{2}*3-1\\\\=\frac{10}{2}*3-1=5*3-1=15-1=14

Step-by-step explanation:

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BRAINIEST FOR CORRECT ANSWER<br><br> Please solve these all for me i really need them
Ede4ka [16]
9. 5y
10. 102 square-4
11. 2a5 square +5b
12. 8m+2+4n
8 0
3 years ago
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Can someone please help
Fynjy0 [20]

Answer:

angle C = 78

angle D = 108

Step-by-step explanation:

the measure of angle A is 102

To find the measure of angle C

let Angle C be x

102 + x = 180 (linear pair)

x = 180 -102

x = 78

angle C = 78

angle B = 78 (vertically opposite angles are equal)

angle D = 108 (vertically opposite angles are equal)

8 0
3 years ago
(2.1 x 104) + (3.5 x 106)
igor_vitrenko [27]

Answer:

the answer is 589.4

Step-by-step explanation:

In doing this equation you do the order of operations:

(2.1 x 104)= 218.4

(3.5 x 106)= 371

you then add the answers together to get:

218.4 + 371 = 589.4

8 0
2 years ago
Pls don’t have much time
Vsevolod [243]

Answer:

the answer is b

Step-by-step explanation:

35 occurs the most on the graph meaning that it's the mode

5 0
2 years ago
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Find a degree 4 polynomial having zeros -8,-1,4 and 5 and the coefficient of x^4 equal 1.
Keith_Richards [23]

Answer:

  x^4 -53x^2 +108x +160

Step-by-step explanation:

If <em>a</em> is a zero, then (<em>x-a</em>) is a factor. For the given zeros, the factors are ...

  p(x) = (x +8)(x +1)(x -4)(x -5)

Multiplying these out gives the polynomial in standard form.

  = (x^2 +9x +8)(x^2 -9x +20)

We note that these factors have a sum and difference with the same pair of values, x^2 and 9x. We can use the special form for the product of these to simplify our working out.

  = (x^2 +9x)(x^2 -9x) +20(x^2 +9x) +8(x^2 -9x) +8(20)

  = x^4 -81x^2 +20x^2 +180x +8x^2 -72x +160

  p(x) = x^4 -53x^2 +108x +160

_____

The graph shows this polynomial has the required zeros.

4 0
3 years ago
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