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son4ous [18]
2 years ago
6

use the substitution method to solve the system of equations choose the correct ordered pair X+y=10 y=x-6

Mathematics
1 answer:
dimaraw [331]2 years ago
3 0

Answer:

(8,2)

Step-by-step explanation:

Set up the equation like this: x+x-6=10. You filled in x-6 for y because the second equation says y=x-6. When you solve, you add 6 to both sides of the equation (this is the addition property of equality in geometry). You now have x+x=16. Now, you can combine like terms (this would be the proof combine like terms in geometry) and you would be able to combine like terms because each of those x's are truely 1x+1x because a variable without a coefficient (the number in front of the variable) is an understood 1. So, (1)x+(1)x=2x. So, you have 2x=16. Now, divide by 2 on each side to get that x alone. This is the division property of equality in geometry. You find x=8. You now have the point (8,y) Now to find the y, plug in the 8 for x in one of the equations. If you plug it into the equation x+y=10 you get 8+y=10. Now subtract 8 from both sides (Subtraction property of equality in geometry). y=2. You get the same answer if you plug in 8 for the other equation. y=8-6. 8-6 is 2. Hope this helps!  :)

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F(x) = [(9,11),(-11,4),(7,-6),(11,-1), (-6,-15),(-13,-5)].
egoroff_w [7]

Using the inverse functions property:

  • f⁻¹(f(93)) = m = 93
  • f(7) = n = -6

<h3>How to find the values of m and n?</h3>

Two functions f(x) and f⁻¹(x) are inverses if:

f( f⁻¹(x) ) = x

f⁻¹(f(x)) = x

We want to get:

f⁻¹(f(93)) = m

By using the above definition we get:

f⁻¹(f(93)) = m = 93

Now for the second one we want:

f(7) = n

If you look at the table, you can see that f(x) contains the point (7, -6), then:

f(7) = n = -6

If you want to learn more about inverse functions:

brainly.com/question/14391067

#SPJ1

4 0
1 year ago
Speedie ran the 200 meter race in 25.5 seconds. How much of an hour did it take Speedie to run
grigory [225]

Answer:

Speedie ran the race in 0.708(3)% of an hour, the 3 in the parentheses means the 3 repeats forever

Step-by-step explanation:

We have 25.5/3600, and when we convert it to a decimal, we have 0.00708(3), the 3 in the parentheses means the 3 repeats forever. To convert it to percentage, we multiply it by 100, to get 0.708(3). Hope it helps!

5 0
3 years ago
Nick was scuba diving at -32 1/2 feet if he descends another 8 3/5 feet what is his location ?
alina1380 [7]

Answer:

-41 1/10

Step-by-step explanation:

subtract the two numbers may i get brainliest plz

6 0
3 years ago
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How many 5-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetition of digits is not allowed?
shepuryov [24]

answer

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Step-by-step explanation:

1st digit 1 of 7

2nd digit 1 of 6

3rd digit 1 of 5

4th digit 1 of 4

5th digit 1 of 3

7*6*5*4*3=2520 combination

8 0
2 years ago
A map has a scale of 1 inch = 3 miles. Which of the following scales is equivalent?
tankabanditka [31]
12 inch=36 miles because if you multiply 11 x 3 you get 36 miles.
3 0
2 years ago
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