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Lunna [17]
3 years ago
6

Ok so can someone pls help me on this. It’s math, and pls explain.

Mathematics
1 answer:
Anika [276]3 years ago
3 0

F.v*king ki11 yourself, you gay piece of $.h1t. Gay b17ches like you burn in hell

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Evaluate the expression for<br> a = 14, b = 29, c = 1, d = 1:<br> a + b - C-d
grandymaker [24]

Answer:

<h2><em>4</em><em>1</em></h2>

<em>Sol</em><em>ution</em><em>,</em>

<em>a</em><em>=</em><em>1</em><em>4</em>

<em>b</em><em>=</em><em>2</em><em>9</em>

<em>c</em><em>=</em><em>1</em>

<em>D=</em><em>1</em>

<em>Now</em><em>,</em>

<em>a + b - c - d \\  = 14 + 29 - 1 - 1 \\  = 43 - 1 - 1 \\  =42 - 1 \\  = 41</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em>

7 0
2 years ago
Read 2 more answers
Let $a$ and $b$ be nonzero real numbers such that
algol [13]
<h3>Answer:   -7/2</h3>

=========================================================

Explanation:

Let's expand out (2 - 7i)(a + bi) using the FOIL rule

(2 - 7i)(a + bi) = 2a + 2bi - 7ai - 7bi^2

(2 - 7i)(a + bi) = 2a + 2bi - 7ai - 7b(-1)

(2 - 7i)(a + bi) = 2a + 2bi - 7ai + 7b

(2 - 7i)(a + bi) = (2a+7b) + (2bi-7ai)

(2 - 7i)(a + bi) = (2a+7b) + (2b-7a)i

We're told the result is purely imaginary. What this means is that the real part (2a+7b) is zero, while the imaginary part (2b-7a) is nonzero. If both are zero, then we have 0+0i = 0 which is purely real.

For example, the complex numbers 0-7i and 0+2i are purely imaginary.

Let's use the fact that 2a+7b must be zero to do the following steps:

2a+7b = 0

2a = -7b

a = -7b/2

a/b = -7/2 which is the final answer

We must check to see if 2b-7a is nonzero

2b - 7a = 2b - 7(-7b/2)

2b - 7a = 2b + 24.5b

2b - 7a = 26.5b

The result is nonzero if and only if b is nonzero. Luckily we're told b is nonzero at the top of the problem. So we don't have any worries that (2b-7a) is zero.

Therefore, (2a+7b) + (2b-7a)i will be purely imaginary with a/b = -7/2

------------------

A concrete example:

Let a = -14 and b = 4

a/b = -14/4 = -7/2

(2-7i)(a+bi) = (2-7i)(-14+4i) = 0 + 106i which is purely imaginary.

I'll let you do the steps in expanding that out using the FOIL rule.

4 0
1 year ago
75g of flour and 135 ml of milk are used to make 12 biscuits. How much flour is needed to make 30 biscuits?
Alik [6]
The answer is 187 1/2 cups. You have to divide 75 by 12 to get how much flour is in 1 biscuit and you multiply that by 30
3 0
3 years ago
Plsss helppppppp plsssss
MrRa [10]
Set up an equation of ratios as shown below:

  h        24 ft        4
----- = ---------- = ---
  4          6 ft        1

Cross multiplying the 1st and 3rd fractions, we get h=16 ft (answer)
3 0
3 years ago
My favorite songstress gives away 25% of the cells of her signature fragrance collection to her charity. last month her cells we
Pachacha [2.7K]

Answer:

$300

Step-by-step explanation:

Multiply 1,200 by .25 and that is your answer

3 0
2 years ago
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