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WINSTONCH [101]
2 years ago
7

-5x + 4(2x + 1) please help! (simplify it)

Mathematics
2 answers:
PSYCHO15rus [73]2 years ago
5 0
-5x + 4(2x + 1)
-5x + 8x + 4
= 3x + 4
Karolina [17]2 years ago
4 0

Answer:

3x+4

Step-by-step explanation:

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Find the missing value when given the modulus.
kolbaska11 [484]

Solving the complex number, we get the value of the missing value that is ‘a’ = -6

We  have been given the expression as

          |a – i| = √37          (1)

Which is an expression of complex number. The general expression of complex number is given as

    z = x + iy

 where x is the real part and iy is the imaginary part

To find the modulus value, the formula is given by,

  |z| = |x + iy|

   |z| = √[(real part)2 + (imaginary part)2]

 |z| = √(x2 + y2)

According to the question, |z| = √37         (2)

Equating equation (1) and (2), we get

√(a2 + 1) = √37

(a2 + 1) = 37

a2 = 37 – 1

a2 = 36

a = √36

a = ±6

Now value of a can be 6 or -6. We have been given that the modulus is in third quadrant.

Hence the value will be negative. Therefore, the missing value will be -6.

Learn more about complex number here : brainly.com/question/5564133

#SPJ9

3 0
1 year ago
If a triangle had a height of 14 inches and a base of 9 inches, what’s it’s area
attashe74 [19]
It should be one hundred twenty six (126) if my math is correct
8 0
2 years ago
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Polly has 6 cookies Kate takes away 4 how many cookies does Polly have left
Tatiana [17]
2 because 6 minus 4 is 2

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2 years ago
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Caroline’s hair is 7 inches long and grows about ⅕ inch each month. Trinity’s hair is 10 inches long and grows about 1/10 inch e
sashaice [31]
B
I know this right away because notice how it says “EACH month.” When it includes each you have to have an “x” beside the number to make it each month. If you don’t have an x it will just be “a single month.”

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7 0
3 years ago
Dan buys a car for £2200.
pashok25 [27]

Answer:

£1134

Step-by-step explanation:

0.5%×6 = 3.0% ≈ 3%

\frac{3}{100} × 2200 = 3 × 22 = 66 (we shorten the zeros ⇒ ∅∅)

2200 - 66 = £1134

3 0
2 years ago
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