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3 years ago

There is two part question is on picture correct:brainliest

Mathematics

2 answers:

prohojiy [21]3 years ago

7 0

Answer:

the first one is independent

the second one is dependent

Step-by-step explanation:

Tema [17]3 years ago

5 0

Answer:

The number of dollar bills, d, is the independents variable.

The number of quarters, q, is the depenedent variable.

Step-by-step explanation:

The number of quarters depend on the amont of dollar bills, so the quarters are the depenent variable.

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Convert the complex number z = 4 - 10i from rectangular form to polar form.

mrs_skeptik [129]

ANSWER

$r = 2 \sqrt{29} ( \cos(292 \degree) + \sin(292 \degree))$

EXPLANATION

The polar form of a complex number ,

$z = x + yi$

is given by:

$z = r( \cos( \theta) + i \sin( \theta) )$

where

$r = \sqrt{ {x}^{2} + {y}^{2} }$

The given complex number is:

$z = 4 - 10i$

$r = \sqrt{ {4}^{2} + {( - 10)}^{2} }$

$r = \sqrt{16 + 100}$

$r = \sqrt{116} = 2 \sqrt{29}$

And

$\theta= \tan^{ - 1}(\frac{ y}{x} )$

$\theta= \tan^{ - 1}(\frac{ - 10}{4} )$

$\theta= 292 \degree$

Hence the polar form is :

$r = 2 \sqrt{29} ( \cos(292 \degree) + \sin(292 \degree))$

6 0

3 years ago

My teacher is gonna kill me. PLEASE HELP

Maru [420]

Answer:

C. The temperature started at 78F then decreased by 6F then decreased again by 5F

Step-by-step explanation:

trust

4 0

2 years ago

Read 2 more answers

In the construction of a right angle, how can 3 steps be used to create segment CD as a longer or shorter segment?

Katena32 [7]

Without changing the opening of your compass, put the sharp end of your compass on point C and make an arc on the ray. Label the point where the arc intersects the ray point D. Segment CD is congruent to segment AB.

5 0

3 years ago

What explicit formula matches the arithmetic sequence -2, 1, 4, 7, 10, ...?

Ray Of Light [21]

$a_1=-2\\
d=3\\
a_n=a_1+(n-1)d=-2+(n-1)\cdot3=-2+3n-3=3n-5$

5 0

3 years ago

PLEASE HELP ME WITH THIS

iragen [17]

Answer:

620. 0.25 x 620 = 155

7 0

2 years ago