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3 years ago

Answer attached problem

Mathematics

1 answer:

sashaice [31]3 years ago

4 0

Answer:

N,L,H,R,P

Step-by-step explanation:

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Elena L [17]

Answer: a = 4, b = 163,422

Step-by-step explanation:

$P = P_{0} e^{kt}$ P is the new population, P₀ is the initial population, k is the growth rate, t is the time elapsed.

Part a) What do we know?

P = 7003

P₀ = unknown

k = .21 (converted 21% into a decimal)

t = 36 yrs (2006 - 1970)

$P = P_{0} e^{kt}$ need to solve for P₀

$7003 = P_{0} e^{(.21)(36)}$

$7003 = P_{0} e^{7.56}$

7003 = P₀ (1920)

$\frac{7003}{1920} = P_{0}$

3.6 = P₀

rounded to the nearest whole number = 4

Part b) What do we know?

P = unknown

P₀ = 7003

k = .21 (converted 21% into a decimal)

t = 15 yrs (2021 - 2006)

$P = P_{0} e^{kt}$ need to solve for P₀

$P = 7003 e^{(.21)(15)}$

$P = 7003 e^{3.15}$

P = 7003(23.33)

P = 163,422.46

rounded to the nearest whole number = 163,422

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Answer: 2, -1

Step-by-step explanation:

eˣ² = eˣ * e²

eˣ² = eˣ⁺²

x² = x + 2

x² - x - 2 = 0

(x - 2)(x + 1) = 0

x - 2 = 0 or x + 1 = 0

x = 2 or x = -1

Check both answer for validity:

eˣ² = eˣ⁺²

e⁴ = e⁴ or e¹ = e¹

TRUE TRUE

*****************************************

Answer: 0 = ln 1

Step-by-step explanation:

$e^{-10} = \frac{1}{e^{10}}$

$ln(e^{-10}) = ln(\frac{1}{e^{10}})$

-10 = ln 1 - 10 log rules say division is subtraction

0 = ln 1

5 0

3 years ago

PLEASE ANSWER ALL BIG REWARD

sleet_krkn [62]

Answer:

multiplying
similar figures
scale factor
(x, y) (–3x, –3y) and (x, y) (0.23x, 0.23y)
(x, y) --> (2x, 4y)
Need diagram
A. The line segment has become longer with endpoints D' (-12, -10) and E' (6 -8).
Need image
Reduction
Enlargement

good luck, i hope this helps :)

6 0

3 years ago

Please help :D <3. Do not understand this one.

Shtirlitz [24]

Sorry for my messy handwriting but this is the answer

8 0

3 years ago

PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!! QUESTION ATTACHED

DIA [1.3K]

Angle-5 and angle-7 are 'vertical angles', so they're equal,
and we can write ...
 10x- 9 = 9x

Subtract 9x from each side: x - 9 = 0

Add 9 to each side: x = 9

Now that we know what 'x' is, we can find the size of Angles-5 and -7 .

Angle-7 = 9x = 81° .

Now look at Angle-6 ... the one that's the answer to the problem.

Angle-6 and -7 together make a straight line, so they must
add up to 180°.

 Angle-6 + 81° = 180°

Subtract 81° from each side: Angle-6 = 99° .

4 0

3 years ago

Z=7f/r+4 , solve for r

lora16 [44]

Answer:

r = ----------- - 4

Step-by-step explanation:

I will assume that you meant:

z = ------------

r + 4

Solve for r. Start by interchanging z and (r + 4):

r + 4 = -----------

Now subtract 4 from both sides. This isolates r:

r = ----------- - 4

3 0

3 years ago

Answer attached problem ​

Answer attached problem