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2 years ago

(this is 12 year old math) Good evening everyone

Mathematics

2 answers:

Ilya [14]2 years ago

6 0

Answer:

22 11

Step-by-step explanation:

gtnhenbr [62]2 years ago

3 0

Answer:

22 11

Step-by-step explanation:

its a pattern if you look at the trend on the equation

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Simplify the expression <img src="https://tex.z-dn.net/?f=%5Cfrac%7B-5%2Bi%7D%7B2i%7D" id="TexFormula1" title="\frac{-5+i}{2i}"

Fudgin [204]

Answer:

1/2 + 5/2 i

Step-by-step explanation:

(-5+i) i

---------* --------

2i i

cannot have i in the denominator so we multiply by i

(-5+i) i -5i + i^2

---------* -------- = ----------------

2i i +2i^2

remember i^2 = -1

-5i + -1 -1 -5i

= ---------------- = ------------------

+2(-1) -2

get rid of the negative in the denominator by multiplying the top and bottom by -1

(-1 -5i) * -1

= ------------------

-2*(-1)

(1 +5i)

= ------------------ = 1/2 + 5/2 i

6 0

2 years ago

Tema [17]

Answer:

$y = \frac{1}{2} x+7$

Step-by-step explanation:

Slope-intercept form: y = mx + b

Slope formula: $\frac{y2-y1}{x2-x1}$

Given points: (-6, 4), (6, 10)

(-6, 4) = (x1, y1)

(6, 10) = (x2, y2)

To write the equation in slope-intercept form, we need to find the slope(m) and the y-intercept(b) of the equation.

First, let's find the slope. To do this, input the given points into the slope formula:

$\frac{10-4}{6-(-6)}$

Simplify:

10 - 4 = 6

6 - (-6) = 6 + 6 = 12

$\frac{6}{12}=\frac{1}{2}$

The slope is $\frac{1}{2}$ .

To find the y-intercept, input the slope and one of the given points(in this example I'll use point (6, 10)) into the equation and solve for b:

$10 = \frac{1}{2}(6)+b$

10 = 3 + b

7 = b

The y-intercept is 7.

Now that we know the slope and the y-intercept, we can write the equation:

$y = \frac{1}{2} x+7$

4 0

2 years ago

Find a common denominator for the pair of fractions. Then, write equivalent fractions with the common denominator.

DerKrebs [107]

4/12? It may be wrong, not sure

3 0

2 years ago

OKAY i CANT EVEN FIGURE THIS ONE OUT NEED HELP.<br> -3 (5 – 2y)

inessss [21]

negative multiplied by positives = negative numbers

3 x 5 = -15

negative multiplied by a negative = a positive number

-3 x -2y = +6y

so combine both gets -15 +6y

or a better way to write it is 6y-15

5 0

2 years ago

Which of the expressions below are equal to 5x + 20y? Select all that apply.

xeze [42]

The correct answers are A and B.
Hope this helps!

8 0

2 years ago

Read 2 more answers

(this is 12 year old math) Good evening everyone​

(this is 12 year old math) Good evening everyone