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3 years ago

Help please? Graphs just are not my thing.

Mathematics

1 answer:

kifflom [539]3 years ago

6 0

There is no linear function that all of those points fit.

There are formal approximations ... such the "least squares" one ...
that can best approximate the group of points according to some rule.
But there's no straight-line that hits all of the points. Just mark them
on a graph, and you'll see that right away.

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Find the value of x. round your answer to the nearest tenth.

Yakvenalex [24]

9514 1404 393

Answer:

x ≈ 13.7

Step-by-step explanation:

The relevant trig relation is ...

Tan = Opposite/Adjacent

tan(58°) = 22/x

x = 22/tan(58°) ≈ 13.747

The value of x is about 13.7 units.

5 0

3 years ago

Please help ASAP!<br><br> thanks in advance

babunello [35]

Answer:

# 2 the you are on the right one

Step-by-step explanation:

6 0

3 years ago

A population of bacteria is initially 6000. After three hours the population is 3000. If this rate of decay continues, find the

serious [3.7K]

Answer:

The equation is $A=6000e^{-0.23t}$ at a rate of -23%.

Step-by-step explanation:

Decay can be represented by the equation $A=A_0e^{rt}$ . We can find the rate at which it decays by using t=3 hours and A=3000. This means $A_0=6000$ in this context.

$A=A_0e^{rt}\\3000=6000e^{r(3)}$

$0.5=e^{(24.5)r}$

After substituting, we divided by 6000 to each side to get 0.5 on the left. Now to solve for r, we will take the natural log of both sides and use log rules to isolate r.

$ln 0.5=ln e^{(3)r}\\ln 0.5=3r (ln e)\\\frac{ln0.5}{3} =r$

We know $lne=1$ so we were able to cancel it out and divide both sides by 3.

We solve with a calculator $\frac{ln0.5}{3} =r\\-0.23=r$

We change -0.23 into a percent by multiplying by 100 to get -23% as the rate.

The equation is $A=6000e^{-0.23t}$

5 0

3 years ago

1. It is a four digit whole number. 2. It is the product of three consecutive numbers. 3. One of these three consecutive numbers

andre [41]

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8 0

3 years ago

i have been on this test like- forever trying to figure this out im horrible at math someone please help me-

ss7ja [257]

Answer:

Step-by-step explanation:

total cost = c

students = s

cost = 7

c = s*7

independent is s

dependent is c

7 0

3 years ago