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Stells [14]
3 years ago
13

Solve: k^2+5k-6=0 using the quadratic formula

Mathematics
1 answer:
7nadin3 [17]3 years ago
4 0

Answer:

k = 1 or k = -6

Step-by-step explanation:

k² + 5k -6 = (K-1) (k+6) = 0

k = 1 or k = -6

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A city has a population of 240,000 people. Suppose that each year the population grows by 7.75%. What will the population be aft
emmasim [6.3K]

Answer:

\large\boxed{\sf \ \ \   404,699 \ \ \ }

Step-by-step explanation:

Hello,

At the beginning the population is 240,000

After 1 year the population will be

   240,000*(1+7.75%)=240,000*1.0775

After n years the population will be

   240,000\cdot1.0775^n

So after 7 years the population will be

   240,000\cdot1.0775^7=404699.058...

So rounded to the nearest whole number gives 404,699

Hope this helps

7 0
3 years ago
ANSWERR ASAPP!!! I GIVE BRAINLIESTT!!<br><br>Answer b and correct c and a if wrong ​
FrozenT [24]

Answer:

b is (4,55). c is correct I believe.

Step-by-step explanation:

You need to find where the lines cross on the graph. You see that at point (4,55)

6 0
3 years ago
Read 2 more answers
For the Parabolay = (x – 7)2 – 3. the equation for the Line Of Symmetry is
devlian [24]

Answer:

x = 7

Step-by-step explanation:

y = (x – 7)^2 – 3

This equation is in vertex form

y = a(x-h)^2 +k

where (h,k) is the vertex

For a vertical parabola, the line of symmetry is x=h

x = 7

5 0
3 years ago
In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sa
NARA [144]

Answer:

In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sample of 10 students from this population, the probability that exactly 2 students have experienced math anxiety is:

Step-by-step explanation:

a .3020

b .2634

c .2013

d .5 e 1 the answers is A

6 0
2 years ago
You have solved a system of equations by substitution and got one solution. How were you able to determine it was one solution?
sergeinik [125]

Answer: the variable can not be replaced by any other number

Step-by-step explanation:

7 0
2 years ago
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