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dalvyx [7]
3 years ago
9

Multiply (n+12)(n-7)

Mathematics
1 answer:
ki77a [65]3 years ago
8 0

(n+12)(n-7) = n^2 + 5n - 84

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7) Write a rule for the arithmetic or geometric sequence. Then find the
Vlad1618 [11]

Answer:

This is geometric sequence.

n^{th}  \ term \ in \ geometric \ sequence \ a_{n}  = a_{1}  \cdot r^{n-1} ,

     a_{1}  \ is \ first \  term\\ r \ is \ the \ common \ divisor \\

      r = \frac{-48}{64} = \frac{3}{4}

           a_{7} = -64\  \cdot {\frac{3}{4} }^{7-1}\\\\a_{7} = -64\  \cdot {\frac{3}{4} }^{6}\\\\= \frac{-64* 3*3*3*3*3*3}{4*4*4*4*4*4} = \frac{-729}{64}

           

7 0
3 years ago
-5m - 4 = 36
Stels [109]

Answer:

I'm just trying to make this as simple as possible for you.

The value of m is 5.

How?

We must follow a few simple methods to solve this problem.

Well, four to be precise.

All we need to do is add 4 to both sides of the equation, or -5m - 4 + 4=36+4

Then, we simply by adding the numbers together to get -5m = 36 + 4, or, 40.

Following that, we divide both sides of the equation by the same term, giving us the equation −

5 = 4

0 -5m=40

−5m=40 − 5 − 5 = 4 0 − 5 The -5's go under the numbers like a fraction.

Then, we cancel the terms that are in both the numerator and denominator.

−

5

−

5

=

4

0

−

5

=

4

0

−

5

Fractions same as last part.

Finally, we divide.

=

4

0

−

5

m={\color{#c92786}{\frac{40}{-5}}}

m=40​ - 5

= − 8

Please mark me brainliest if this had helped!

Sincerely, didntask

8 0
3 years ago
Read 2 more answers
Michelle buys a rug for $36 and sells it for $90. What was the value of her markup, expressed as a percent?
Rama09 [41]
Her markup was about 60%.
4 0
4 years ago
Read 2 more answers
write and solve a real world problem in which you need to find the initial value of the function. Then explain how you solved th
Mama L [17]

you are planting roses

you started at 12 noon

at 3pm, you have 80 roses left

at 6pm, you have 20 roses left

if you planted roses at a constant rate, how many roses did you start with?

so we can find the slope of this linear function as (20roses-80roses)/(6pm-3pm)=60roses/3hrs=-20roses/hr

your quantity goes down by 20 roses per hour (you plant 20 per hour)

r=-20t+?

find ?, the number of roses when t=0

at 3pm yo have 80 roses

80=-20(3)+?

80=-60+?

140=?

you had 140 roses intiailly




if you wanted an exponenntial

the town polpulationn grows at an exponential rate

the town was founded in 2000

in 2010, the town's population was 1000

in 2015, the town's populationw as 2000

find intial polpulation


exponential can be modeled by y=ab^t where y=population, t=time and b and a are constants (a=initial population)

we are given that after 10 years (2010), y=102400

after 15 years, (2015), y=3276800

so

102400=ab^{10} and 3276800=ab^{15}

divide the 2nd by the first equation, remembering our exponential properties like \frac{x^a}{x^b}=x^{a-b}

32=b^{5}

take 5th root of both sides

b=2

subsitute back

102400=ab^{10}

102400=a(2)^{10}

102400=1024a

100=a

the intial population is 100 people

7 0
3 years ago
Can someone explain and tell me the answer? WILL MARK BRAINLEST!
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it’s day time for you? for me it’s 3:39 am!!!!! very oddd
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