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3 years ago

Please help!! due by 1:30!

1 answer:

5 0

An = 4n + 4
AKA C is the correct answer.

say n is the number of the month after the start of the year

January would be a1 = 4*1 + 4 = 8
February would be a2 = 4*2 + 4 = 12

and so on

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SOLVE WITH AN EXPLANATION PLS

Softa [21]

Answer:

Option C
Option B

Step-by-step explanation:

<u>Let's simplify this further to get our answer.</u>

-5/6(12 - 6x + 18y)
=> -60/6 + 30x/6 - 90y/6
=> -10 + 5x - 15y

Looking at the options, we can say that Option C and B are correct.

5 0

2 years ago

Read 2 more answers

Cindy is buying a car from Robert for $4,500. Robert has agreed to accept a down payment of $500 and 16 consecutive monthly paym

andrey2020 [161]

Answer:

c. Cindy needs to change the number of payments to 17 to include the down payment.

Step-by-step explanation:

Let us see the options one by one.

a. Cindy needs to change the monthly payment amount to $250 as agreed.

As she has written the amount as $225 so she will be asked to change it.

b. Cindy needs to include the word “monthly” to describe the frequency of her payment.

As Cindy has not mentioned the frequency of payments, she may be asked to add the word monthly.

c. Cindy needs to change the number of payments to 17 to include the down payment.

Cindy will not be asked to change the number of payments as the installments are counted separate from the down payment.

d. Cindy needs to include Robert’s last name and her full name.

Full names are used in legal documents so she may be asked to add their full names in the legal contract.

Hence, option C is correct ..

7 0

2 years ago

Read 2 more answers

15 points :) ill mark BRAINIEST

Korolek [52]

Answer:

7 = 7x - 48

Step-by-step explanation:

Use point slope formula: y - y1 = m(x - x1)

Find slope:

(8 -(-6)) / (8 - 6)

14/2

m = 7/1

Subsitute x1 and y1, solve for y.

y - 8 = 7(x - 8)

y - 8 = 7x - 56

y = 7x - 48

5 0

2 years ago

Solve the equation for x - 17 = 29

podryga [215]

X = 46 . add 17 to both sides, and x stays the same.

6 0

2 years ago

Read 2 more answers

From Euler’s relation eiθ = cosθ + isinθ,

adelina 88 [10]

Answer:

(a) The graphic representation is in the attached figure.

(b) $\cos(\theta) = \frac{e^{i\theta} + e^{-i\theta}}{2}$ .

(c) $\sin(\theta) = \frac{e^{i\theta} - e^{-i\theta}}{2i}$ .

Step-by-step explanation:

(a) Given a complex number $e^{i\theta}$ we know, from Euler's formula that $e^{i\theta} = \cos(\theta)+i\sin(\theta)$ . So, it is not difficult to notice that

$|e^{i\theta}|^2 = \cos^2(\theta)+\sin^2(\theta) =1$

so it is on the unit circumference. Also, notice that the Cartesian representation of the complex number is $(\cos(\theta), \sin(\theta))$ .

Now,

$e^{-i\theta} = \cos(\theta)+i\sin(-\theta) = \cos(\theta)-i\sin(\theta)$ .

Notice that $e^{-i\theta}$ has the same modulus that $e^{i\theta}$ , so it is on the unit circumference. Beside, its Cartesian representation is $(\cos(\theta), -\sin(\theta))$ .

So, the points $(\cos(\theta), \sin(\theta))$ and $(\cos(\theta), -\sin(\theta))$ are symmetric with respect to the X-axis. All this can be checked in the attached figure.

(b) Notice that

$e^{i\theta} + e^{-i\theta} = \cos(\theta)+i\sin(\theta) + \cos(\theta)-i\sin(\theta) = 2\cos(\theta)$

Then,

$\cos(\theta) = \frac{e^{i\theta} + e^{-i\theta}}{2}$ .

(c) Notice that

$e^{i\theta} - e^{-i\theta} = \cos(\theta)+i\sin(\theta) - \cos(\theta)+i\sin(\theta) = 2i\sin(\theta)$

Then,

$\sin(\theta) = \frac{e^{i\theta} - e^{-i\theta}}{2i}$ .

7 0

2 years ago