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stepladder [879]
3 years ago
10

Translate the statement below. "One less than twice a number.."​

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
5 0
One less than twice a number ,, 17
Inga [223]3 years ago
3 0
One less than twice a number is seventeen.
You might be interested in
Please help I don’t understand
lesya [120]

Answer:

  • 2·8·7
  • 8+2+7
  • 12·5·3
  • 3+5+12

Step-by-step explanation:

The properties of addition and multiplication allow you to rearrange and/or regroup the components of a sum or a product. That is the point of this exercise.

  (2·8)·7 = 2·(8·7) . . . . parentheses have moved: associative property

  2 + 7 + 8 = 8 + 2 + 7 . . . . order is rearranged: commutative property

  5·3·12 = 12·5·3  . . . . .  order is rearranged: commutative property

  (3 +5) +12 = 3 +(5 +12) . . . . parentheses have moved: associative property

_____

<em>Additional comment</em>

Whenever you're in doubt about the equivalence of numerical expressions, you can use your calculator to evaluate them. They will give the same result if they are equivalent. (You need a good scientific or graphing calculator that uses parentheses for this. Some seriously good calculators are available as low-cost phone apps.)

The Google search box also serves as input to the Google calculator. You can use an asterisk (*) for multiplication.

7 0
3 years ago
What is the coefficient of the third term in the binomial expansion of (a + b)6? 1 15 20 90
Sholpan [36]

Answer:  15

Step-by-step explanation:

(r+1)th term of (a+b)^n is given by:-

T_{r+1}=\ ^nC_r(a)^{n-r}b^r

For (a+b)^6 , n= 6

T_3=T_{2+1}=\ ^6C_2(a)^{6-2}(b)^2\\\\

=\ \dfrac{6!}{4!2!}a^4b^2\ \ \ [^nC_r=\dfrac{n!}{r!(n-r)!}]\\\\=\dfrac{6\times5\times4!}{4!\times2}a^4b^2\\\\=3\times5a^4b^2\\\\ =15a^4b^2

Hence, the coefficient of the third term in the binomial expansion of  (a+b)^6 is 15.

3 0
3 years ago
Read 2 more answers
Which is bigger 17.5 or 1/6
Nataly [62]
17.5 is bigger.1\6 is small.
5 0
3 years ago
Read 2 more answers
A line through which two points would be perpendicular to the line y = 2/5x - 5/2 ?​
uysha [10]

Answer:

Step-by-step explanation:

c

7 0
2 years ago
Please answer this question! 26 points and brainliest!
Angelina_Jolie [31]

Answer:

3x^2 -7x +2

Step-by-step explanation:

(15x^2 -35x +10)÷5

15/5 x^2 -35/5 x +10/5

3x^2 -7x +2

5 0
3 years ago
Read 2 more answers
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