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oksian1 [2.3K]
2 years ago
8

How do i do this (10 points) PLZ HELP

Mathematics
2 answers:
OleMash [197]2 years ago
8 0
Bro that is easy just pau
stellarik [79]2 years ago
7 0
How do we draw??????


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Determine if the sequence is arithmetic or geometric, and find the common difference or ratio.
melamori03 [73]

Answer:

The sequence is arithmetic with a common difference of -10

Step-by-step explanation:

From the question, we want to determine if the sequence is arithmetic or geometric

From the question

f(1) = 5

f(2) = -5

f(3) = -15

Mathematically for the common difference;

f(3) - f(2) = f(2) - f(1)

Since;

-15-(-5) = -5-5

-10 = -10

Since the common difference here is same , then the sequence is arithmetic with a common difference of -10

8 0
3 years ago
Find the value of x.
nevsk [136]

Answer:

<h2>x = 30°</h2>

Step-by-step explanation:

Since the figure above is a triangle, all it's angles sum up to 180°

To find x , add up all the angles and subtract them from 180°

That's

57 + 93 + x = 180

150 + x = 180

x = 180 - 50

We have the final answer as

<h3>x = 30°</h3>

Hope this helps you

5 0
3 years ago
The population for Gulch Dry has been declining according to the function P(t)= 8000. 2^-t/29 where t is the number of years sin
Iteru [2.4K]
A)

\bf 1990-1910=80\leftarrow t&#10;\\\\\\&#10;P(t)=8000(2)^{-\frac{t}{29}}\implies P(80)=8000(2)^{-\frac{80}{29}}&#10;\\\\\\&#10;P(80)=8000\cdot \cfrac{1}{2^{\frac{80}{29}}}\implies P(80)=\cfrac{8000}{\sqrt[29]{2^{80}}}

and surely you know how much  that is.

b)

\bf P(t)=125\\\\\\  125=8000(2)^{-\frac{t}{29}}\implies \cfrac{125}{8000}=2^{-\frac{t}{29}}\implies \cfrac{1}{64}=2^{-\frac{t}{29}}&#10;\\\\\\&#10;\textit{now we take log to both sides}&#10;\\\\\\&#10;log\left( \frac{1}{64} \right)=log\left( 2^{-\frac{t}{29}} \right)\implies log\left( \frac{1}{64} \right)=-\frac{t}{29}log\left( 2 \right)&#10;\\\\\\&#10;log\left( \cfrac{1}{64} \right)=-\cfrac{tlog(2)}{29}\implies \cfrac{-29log\left( \frac{1}{64} \right)}{log(2)}=t\implies 174=t

since in 1910 t = 0, 174 years later from 1910, is 2084, so in 2084 they'll be 125 exactly, so the next year, 2085, will then be the first year they'd fall under that.
6 0
3 years ago
If line q has a slope of -3/8 what is the slope of any line perpendicular to q?
kompoz [17]

Answer:

new slope = 4/3

Step-by-step explanation:

-3/8 is perpendicular to the new slope

=> new slope = -8/3 * -1/2

= 8/6

= 4/3

please give me brainliest if it is helpful for you

7 0
3 years ago
Se generan ondas, introduciendo en agua el borde de una regla 15 veces en 3.0 segundos. Calcular: a) el periodo de las ondas b)
Ne4ueva [31]

Answer:

Ver explicacion

Step-by-step explanation:

La frecuencia de una onda se define como el número de ciclos completos que realiza una partícula en un segundo.

f = n / t = 15 ciclos / 3 segundos = 5 ciclos por segundo o Hertz

El período de una onda es el tiempo que tarda la onda en realizar una oscilación o ciclo completo.

T = t / n = 3/15 = 0,2 segundos

6 0
3 years ago
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