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Zielflug [23.3K]
3 years ago
13

Find the Slope A. 2/5 B.5/2 C.-2/5 D.-5/2

Mathematics
2 answers:
Fiesta28 [93]3 years ago
5 0
The answer is a bc it’s pointing upwards which makes it positive and the rise is 5 and the run making it 2/5
kirza4 [7]3 years ago
3 0
2/5 because it’s pointing up wards np
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A<br> 116°<br> 27°<br> .Y<br> 37°<br> Z<br> A. AZ<br> B. ZY<br> C. AY<br> D. ZW
Damm [24]

Answer:

B.  ZY

Step-by-step explanation:

The longest side of any triangle will always correlate with the largest angle. Since m∠A = 116° and is biggest, the corresponding side ZY would be the largest side.

3 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
Will give brainlest<br> What is the result of adding these two equations? − 2x+7y= −5 −2x−4y= 6
Inga [223]

Answer:

All you have to do is combine the like terms. Once you do that you get: -4x+3y=-11

4 0
3 years ago
K + 9 = 17<br><br> What does k value?<br> k=8<br> k=9<br> k=17 <br> k=26
belka [17]

Answer:

8

Step-by-step explanation:

k + 9 = 17

subtract 9 from both sides:

k = 8

6 0
3 years ago
Read 2 more answers
Represent 5 rational number between -1 and 0​
oksano4ka [1.4K]

Answer:

It could be any fraction such as -1/2, -4/5,-20/50, -1/3, -5/11 ...

As long as the fraction is larger than -1 but smaller than 0 it will work

Step-by-step explanation:

8 0
3 years ago
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