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Alex17521 [72]
3 years ago
12

Which expression is equivalent to 30(1/2x-2)+40(3/4y-4)?

Mathematics
1 answer:
Anna11 [10]3 years ago
8 0

Answer:

808935(+57_)/868

628)+6_-674'+7 36;()87&daimatere

Step-by-step explanation:

fish kkgcjojbcryihcxf

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I dont understand this
Ganezh [65]

Answer:

x = 8.3 is the value of x.

Step-by-step explanation:

Given:

Let Δ ABC be a Right angle Triangle at ∠ C = 90°

AB = x

BC = 6

m∠ B = 44°

To Find:

x = ?

Solution:

We apply Cosine Rule

{tex}\cos B = \frac{\textrm{side Adjacent to angle B}}{Hypotenuse}  \\{/tex]

Substituting the given values we get

\cos B = \frac{BC}{AB}\\\\\cos 44 = \frac{6}{x}\\\\0.719=\frac{6}{x}\\\\\therefore x=\frac{6}{0.719} \\\\\therefore x=8.3......(nearest\ tenth)

The value of x is

x = 8.3

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3 years ago
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Step-by-step explanation:

C=2(3.14)r

C=2(3.14)2

C=12.56

6 0
3 years ago
A newspaper ad includes a telephone number 1-555-dial vsw. How many seven letter arrangements are possible for the phone number
trapecia [35]
Let u be the set of all words containing 7 letters(26 letters to the power 7)
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Can anyone help me with this question???
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Integer equivalent of 25 3/2
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