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2 years ago

HELP ME PLEASE

Mathematics

2 answers:

aivan3 [116]2 years ago

7 0

Answer:

Answer is A

Step-by-step explanation:

Len [333]2 years ago

4 0

Answer:

Step-by-step explanation:

Answer is C because if swimmer A does 14 laps to start an 3 laps every day after that and on the chart swimmer B does 11 laps to start and 2 laps every day after that you would compare.

on day 3 swimmer B has 17 (shown on chart)

on day 3 swimmer A has 23 (14, 17, 20, 23)

if you would want it to complicate it 14:3 and 11:2

14 ÷ 14 is 1

3 ÷ 14 is .214

11 ÷ 11 is 1

2 ÷ 11 is .181

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In triangle ABC, the measure of angle B is 50 degrees. Give possible values for the measures of angles A and C if ABC is a right

Rasek [7]

9514 1404 393

Answer:

A = 90°, C = 40°
A = 40°, C = 90°

Step-by-step explanation:

In a right triangle one angle is 90° and the other angle is the complement of the acute angle given.

Angles A and C are not specified, but we know the other two angles are 40° and 90°. The values can be assigned two ways:

A = 90°, C = 40°

A = 40°, C = 90°

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2 years ago

Find the trigonometric form of the number 3 + √3i.

sattari [20]

Any complex number $z$ can be written in trigonometric form as

$z = |z| e^{i\arg(z)} = |z| \left(\cos(\arg(z)) + i \sin(\arg(z))\right)$

where $|z|$ is the modulus of $z$ and $\arg(z)$ is its argument, i.e. the angle $z$ makes with the positive real axis in the complex plane.

We have

$|z| = \sqrt{3^2 + \left(\sqrt3\right)^2} = \sqrt{12} = 2\sqrt3$

and

$\arg(z) = \tan^{-1}\left(\dfrac{\sqrt3}3\right) = \tan^{-1}\left(\dfrac1{\sqrt3}\right) = \dfrac\pi6$

Then

$3 + \sqrt3 \, i = \boxed{2\sqrt 3 \left(\cos\left(\dfrac\pi6\right) + i \sin\left(\dfrac\pi6\right)\right)}$

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1 year ago

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Alexus [3.1K]

Answer:

I hope this is correct

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2 years ago

Read 2 more answers

The product of -6 and the quantity of the sum of a number, x, and 8 is more than -36. what are the possible solutions for the nu

dem82 [27]

-6(x + 8) > - 36
-6x - 48 > -36
-6x > -36 + 48
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x < -12/6
x < -2 <=== possible solutions are anything less then - 2......like -3,-4,-5 etc

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2 years ago

Help me please I need it

crimeas [40]

Answer:

D. 11

Step-by-step explanation:

Add all the numbers and divide by 4

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2 years ago