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Fudgin [204]
3 years ago
14

Please help me with this. an explanation would be great as well

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
6 0

Answer:

A

Step-by-step explanation:

test the constant 1/2 + (1/2)*(-3) = -2/2 = -1

Wittaler [7]3 years ago
6 0

Answer:

A

Step-by-step explanation:

y + yz

= x + \frac{1}{2} + (x + \frac{1}{2} )(2x - 3) ← expand factors using FOIL

= x + \frac{1}{2} + 2x² - 3x + x - \frac{3}{2} ← collect like terms

= 2x² - x - 1 → A

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Consider the series 3/2 + 3/4 + 3/8 + 3/16 + ... What expression defines Sn?
snow_lady [41]

For the series 3/2 + 3/4 + 3/8 + 3/16 + ...the sum will be calculated by the formula  3(\dfrac{1}{2})^n.

<h3>What is number series?</h3>

When the numbers are arranged in a series with some logic then it is called as the number series.

here we have a series:

\dfrac{3}{2}+\dfrac{3}{4}+\dfrac{3}{8}+\dfrac{3}{16}+............

The sum of the series will be given as:

S_n=3(\dfrac{1}{2}+\dfrac{1}{4}+\dfrac{1}{8}+\dfrac{1}{16}+............)

S_n=3 (\dfrac{1}{2})^n

Hence for the series 3/2 + 3/4 + 3/8 + 3/16 + ...the sum will be calculated by the formula  3(\dfrac{1}{2})^n

To know more about number series follow

brainly.com/question/6561461

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2 years ago
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7 0
4 years ago
X2 =16x−64 what’s there answer?
Ket [755]

Answer:

x=8

Step-by-step explanation:

x2=x*x

Plug in 8

8*8=64

64=16(8)-64

64=128-64

64=64

3 0
3 years ago
Read 2 more answers
DESPERATE PLZ HELP NOW<br><br> find a slope of the two numbers (-4,-5) (2,10)
MrRissso [65]

Answer:

The slope is 2.5

Step-by-step explanation:

y = 2.5x + 5   or

y =   5/2x + 5

When x=0, y = 5

When y=0, x = -2

3 0
3 years ago
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Check all of the expressions that are equal to the one below.
Vsevolod [243]

Answer:

  A. 11•(8 + 7)

  B. 8•(11)-7•(11)

  C. 11•(7) + 11•(8)

Step-by-step explanation:

The commutative property of multiplication lets you swap the order of the factors in the product:

  (8 +7)•11 = 11•(8 +7)

The distributive property lets you eliminate parentheses:

  (8 +7)•11 = 8•11 +7•11

And the commutative properties of addition and multiplication let you rearrange this sum of products to ...

  (8 +7)•11 = 11•7 +11•8

6 0
3 years ago
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