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murzikaleks [220]

2 years ago

8

Find the quotient. Write your answer in standard form. 2+i/2-i

2 answers:

xeze [42]2 years ago

6 0

Using PEDMAS, you would divide I/2 first, then add 2 to that and subtract I from the equation. It all varies on what "i" is, however.

lorasvet [3.4K]2 years ago

6 0

The solution to the problem is as follows:
2+i/2−i

=(2+i/2−i)∗(2+i/2+i)

=(4+4i−1/5)

=(3/5<span>)
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I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

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Find the area of the triangle with the given measurements. Round the solution to the nearest hundredth if necessary. B = 107°, a

Archy [21]

Answer: $105.19 \text{ square cm}$

Step-by-step explanation:

Since, by the SAS formula of finding the area of triangle,

The area of triangle, $A = \frac{1}{2}\times s_1\times s_2\times sin\theta$

Where, $s_1$ and $s_2$ are adjacent sides and $\theta$ is the included angle of these sides

Here, $s_1=22$ $s_2=10$

And, $\theta=107^{\circ}$

Thus, the area of the triangle ABC,

$A = \frac{1}{2}\times 22\times 10\times sin (107)^{\circ}$

$A = 110\times 0.95630475596$

$A = 105.193523156\approx 105.19\text { square cm}$

Therefore, Third Option is correct.

3 0

3 years ago

Bonsoir vous pouvez m’aider alors : A la masse x (en g) d’un objet suspendu , on associe la longueur (en mm) d’un ressort . Cett

natita [175]

Answer:

50 g = 95mm

60 g = 98 mm

0 g = 98/60 = 1.63 mm Step-by-step explanation:hope this help y'all

8 0

2 years ago

Valerie is remodeling her home. She decides to replace the old carpet in the living room and wants to know how much carpet she n

PIT_PIT [208]

Answer:

It can be decomposed into the following simplest shapes:

Two Rectangles and one Triangle.

The area is $242\ ft^2$

Step-by-step explanation:

You can observe in the picture attached that it can be decomposed into the following simplest shapes:

Two Rectangles.

One Triangle.

The area of the a rectangle can be found with:

$A=lw$

Where "l" is the length and "w" is the width.

You can identify in the picture that:

$l_A=14\ ft\\w_A=13\ ft-7\ ft=6\ ft\\\\l_B=20\ ft\\w_B=7\ ft$

Substituing values, you get that the areas of the rectangles A and B are:

$A_A=(14\ ft)(6\ ft)=84\ ft^2\\\\\\A_B=(20\ ft)(7\ ft)=140\ ft^2$

The formula for the area of a triangle is:

$A=\frac{bh}{2}$

Where "b" is the base and "h" is the height.

In this case:

$b=20\ ft-14\ ft=6\ ft\\\\h=6\ ft$

Then, its area is:

$A_C=\frac{(6\ ft)(6\ ft)}{2}= 18\ ft^2$

Then, the total area of carpet that Valerie needs for her project is:

$A_t=A_A+A_B+A_C\\\\A_T=84\ ft^2+140\ ft^2+18\ ft^2\\\\AT=242\ ft^2$

7 0

3 years ago

Read 2 more answers

−2 2 21 +(−0.25÷(− 1 4 )−1.5÷(− 3 16 ))÷(−4 1 11 )

Setler79 [48]

Answer:

$-2\frac{2}{21}+(-0.25\div(-14)-1.5\div(-\frac{3}{16}))\div(-4\frac{1}{11})=-4.0551$

Step-by-step explanation:

Given : Expression $-2\frac{2}{21}+(-0.25\div(-14)-1.5\div(-\frac{3}{16}))\div(-4\frac{1}{11})$

To find : Simplify the expression ?

Solution :

Using BODMAS,

$-2\frac{2}{21}+(-0.25\div(-14)-1.5\div(-\frac{3}{16}))\div(-4\frac{1}{11})$

$=-\frac{44}{21}+(-0.25\div(-14)-1.5\div(-\frac{3}{16}))\div(-\frac{45}{11})$

$=-\frac{44}{21}+(\frac{0.25}{14}+\frac{1.5\times 16}{3})\div(-\frac{45}{11})$

$=-\frac{44}{21}+(\frac{0.25}{14}+\frac{24}{3})\div(-\frac{45}{11})$

$=-\frac{44}{21}+(\frac{0.25\times 3+24\times 14}{14\times 3})\div(-\frac{45}{11})$

$=-\frac{44}{21}+(\frac{336.75}{42})\div(-\frac{45}{11})$

$=-\frac{44}{21}-\frac{336.75\times 11}{42\times 45}$

$=-\frac{44}{21}-\frac{3704.25}{1890}$

$=\frac{-44\times 1890-3704.25\times 21}{21\times 1890}$

$=\frac{-160949.25}{39690}$

$=−4.0551$

Therefore, $-2\frac{2}{21}+(-0.25\div(-14)-1.5\div(-\frac{3}{16}))\div(-4\frac{1}{11})=-4.0551$

6 0

3 years ago

Help me please I don’t know what to do

zaharov [31]

Answer:

I'm going to help you but you have to solve it yourself ok?

Step-by-step explanation:

I have attached a photo on what i think the graph means...

I'll give you the definitions on these tricky words

Spread: The range between the biggest number and the lowest number.

Interquartile: The middle range between 2 quartliles, upper and lower.

7 0

2 years ago