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Novosadov [1.4K]
3 years ago
5

WILL MARK BRAINIEST!!

Mathematics
1 answer:
AnnZ [28]3 years ago
3 0
You know the formula. It is simply a matter of putting in the numbers. When the calculations are repetitive, it is convenient to let a machine do them.

CD: -1/4
RS: undefined (a vertical line at x=-2)
TU: 0 (a horizontal line at y=8)
EF: -5/7

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Investments historically have doubled every 9 years. if you start with 2,000 investment, how much money would you have after 45
77julia77 [94]

Answer: 64,000

Equation: 2,000*2^(45/9)

4 0
3 years ago
At 3:30 p.m., Berto’s train was 34 miles past the egg farm, traveling at an average speed of 85 miles per hour. At the same time
timurjin [86]

E=egg farm

x=distantce between  the Berto´s trains and the meeting point.

t=time where the trains meet up

⇒110 miles/h                                          ⇒85miles/h

[---------------------------E----------------------]-------------------------------------X

[............12 miles.......][........34 miles.....][------------ x ----------------------]

distance between Berto´s train and Eduardo´s train=

=12 miles+34 miles=46 miles.

S=d/t      ⇒d=S*t

S=seed

d=distance

T=time

Eduardo´s train;

46 miles+x=t*110 miles/h  ⇒x=t*110 miles/h-46 miles  (1)

Berto´s train;

x=t*85 miles/h  (2)

With the equations (1) and (2) we suggest this system equations:

x=t* 110 miles/h-46 miles

x=t*85 miles/h

we solve this system equiations :

t*110 miles/h-46 miles=t*85 miles/h

110t miles/h-85t miles/h=46 miles

25 t miles/h=46 miles

t=46 miles/25 miles/h=1,84 hour  (≈1 hour, 50 minutes, 24 seconds)

x=t*85 miles/h=156,4 miles

Solution: 1,84 hour

3 0
3 years ago
Read 2 more answers
Help please >3 thank youuu
11111nata11111 [884]

Answer:

C

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Identify the number of solutions or zeros<br><br> 2x^2+5x-9=0
Anon25 [30]
There are going to be two solutions because the "biggest" x is x^2 but you can factor to find what they actually are.

6 0
3 years ago
80 members decreased by 65%
prisoha [69]
There are now 28 members
all you do is 80 times 0.65 = 52
but you still have to subtract 80 - 52 to find the number of members left 
SOOOO
28 members still there 
52 members quit
7 0
3 years ago
Read 2 more answers
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