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SpyIntel [72]
3 years ago
14

I need to solve this problem using the substitution method. I keep getting crazy numbers so I’m definitely doing something wrong

!!

Mathematics
1 answer:
Oksanka [162]3 years ago
4 0

Answer:

S=3 R=1

Step-by-step explanation:

3x1+3=6

1+(3x3)=10

3x3=9

9+1=10.

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Nolan and Jeanette agreed to babysit their sister for 3 hours while their parents were at a
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5 0
2 years ago
Eight greater than twice the number
Lady_Fox [76]

X times 2 plus 8 (hope this helps cuz I don't know what it asking)

Step-by-step explanation:

X times 2 plus 8

7 0
3 years ago
A car and truck are 540 miles apart. The two vehicles start driving toward Each other at the same time. The car drives at a spee
mina [271]

Answer:they would meet after 4.5 hours

Step-by-step explanation:

At the point where they will both meet, they would have covered a total distance of 540 miles.

Let t represent the time it will take the car and the truck to meet.

Distance = speed × time

The car drives at a speed of 65 miles per hour. Distance covered by the car in t hours would be

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The truck travels at a speed of 55 miles per hour.

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55 × t = 55t

Therefore,. 65t + 55t = 540

120t = 540

t = 540/120 = 4.5 hours

3 0
3 years ago
Last month I had 8 guppies. This month I have 20 guppies. What is the percent of increase in guppies from last month to this mon
ludmilkaskok [199]

Answer: 150% increase

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percent of increase: new/old × 100%-100%

--------------

new/this month: 20 puppies

old/last month: 8 puppies

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=20/8×100%-100%

=2.5×100%-100%

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=150% increase

Hope this helps!! :)

Please let me know if you have any question

8 0
2 years ago
Read 2 more answers
What is cos^{-1} (0.393) [/tex]
alexgriva [62]
Acos(0.393)=66.85˚
Use cos^{-1} (0.393) to solve
4 0
2 years ago
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