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Svetllana [295]

3 years ago

11

100p for an answer please on a test

1 answer:

Pavlova-9 [17]3 years ago

4 0

Where’s the rest of the question? Cant answer unless I can see if she’s correct or not.

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A teacher randomly selects one student from a group of students where 12 are wearing a black shirt, 8 are wearing a red shirt, a

Ket [755]

Probability=number of specific outcomes/number of possible outcomes...

P(B)=B/T=12/(12+12+8)

P(B)=12/32

P(B)=3/8

6 0

3 years ago

Read 2 more answers

NEED HELP PLEASE!

USPshnik [31]

Answer:

$(x + (3+5i))^2 = x^2 + 6x + (10x+30)i - 16$

Step-by-step explanation:

Complex numbers identity:

The complex numbers identity is:

$i^2 = -1$

Square of the sum:

$(x + y)^2 = x^2 + 2xy + y^2$

In this question:

$(x + (3+5i))^2$

$x^2 + 2x(3+5i) + (3+5i)^2$

$x^2 + 6x + 10xi + 9 + 30i + 25i^2$

$x^2 + 6x + 9 + (10x+30)i - 25$

$x^2 + 6x + (10x+30)i - 16$

So

$(x + (3+5i))^2 = x^2 + 6x + (10x+30)i - 16$

5 0

2 years ago

The circumference of the earth is 2.4x109 miles. if you traveled at an average of 8.5x10 miles per hour, how long would it take

pshichka [43]

Answer:

282 hr <======= see below

Step-by-step explanation:

Distance / rate = time

2.4 x 10^9 mi / 85 m/hr = 28235294 hr

You must have left the power of 10 off of your speed

probably should be 8.5 x 10^6 perhaps? then answer is 282

<h3>If speed was 8.5 x 10^5 then answer becomes ~ 2820 </h3>

8 0

1 year ago

Pls help me find the answer

gregori [183]

The surface area is 1536

3 0

3 years ago

2/9 divided by 5/6<br>help pleaseee

igomit [66]

Hey there!

$\mathsf{\dfrac{2}{9}\div\dfrac{5}{6}}$

$\mathsf{= \dfrac{2\times6}{9\times5}}$

$\mathsf{2\times 6 = \bf 12}$

$\mathsf{9\times5 = \bf 45}$

$\boxed{\mathsf{=\bf \dfrac{12}{45}}}$

$\large\textsf{BOTH NUMBERS has the Greatest Common Factor (GCF) of 3}$

$\mathsf{= \dfrac{12\div3}{45\div3}}$

$\mathsf{12\div3=\bf 4}$

$\mathsf{45\div3=\bf 15}$

$\boxed{\mathsf{=\bf \dfrac{4}{15}}}$

$\boxed{\boxed{\large\textsf{Answer: }\mathsf{\bf \dfrac{4}{15}}}}\huge\checkmark$

$\large\textsf{Good luck on your assignment and enjoy your day!}\\\\\\~\frak{Amphitrite1040:)}}$

4 0

2 years ago