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scoray [572]
3 years ago
14

Which ordered pair is the solution to the system of equations ?

Mathematics
1 answer:
dexar [7]3 years ago
6 0

Answer:

c

Step-by-step explanation:

Given the2 equations

y = x + 4 → (1)

x + y = 2 → (2)

Substitute y = x + 4 into (2)

x+ x + 4 = 2

2x + 4 = 2 ( subtract 4 from both sides )

2x = - 2 ( divide both sides by 2 )

x = - 1

Substitute x = - 1 into (1) for corresponding value of y

y = - 1 + 4 = 3

solution is (- 1, 3 ) → c

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Please help:( Find the average rate of change of f(x)=x² - 4x+1 from x=3 to x=6.
LuckyWell [14K]

Answer:

5

Step-by-step explanation:

[6²-4(6)+1]-[3²-4(3)+1]/6-3 =5

3 0
3 years ago
At Thanksgiving, Mrs. Jones overcooked the turkey so all but 5 of it had to be thrown away. The 8 people at dinner that
VashaNatasha [74]

<em>The question has inconsistent or incomplete data, so I'm filling the holes with key data.</em>

Answer:

<em>Every people at dinner received one-tenth of the original turkey= 0.1</em>

Step-by-step explanation:

<u>Proportions</u>

If some fraction a/b of a whole total M is to be computed and later removed, we proceed as follows

* Compute the portion to be removed as a/b*M

* Subtract it from the total quantity: M-a/b*M=M(1-a/b)

I'm assuming 1/5 of the turkey was lost due to overcooking. It means that (1-1/5) of the turkey remained for dinner, that is, 4/5 of the turkey.

Each people at dinner received the same amount of the remaining, so we must divide 4/5 by 8, to get 4/40, or 1/10. It means that every people at dinner received one-tenth of the original turkey

3 0
3 years ago
Read 2 more answers
Plz HELP I NEED THIS ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!
shutvik [7]

Answer:

33%

Step-by-step explanation:

60-45=15

15/45=0.33

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3 0
3 years ago
Solve for m the problem is y=mx+b
lana66690 [7]
It would be -b/x+y/x
4 0
3 years ago
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How do you divide a fraction
sveta [45]
Hey, 25equivelv!

If you know how to multiply a fraction, you will be able to divide it as well. If you do not know how to multiply a fraction, look it up or message me.

I say that if you know how to multiply fractions you know how to divide them because dividing is basically multiplication backwards, so in fraction terms, it's multiplying by the reciprocal. If you don't know what that is, multiplying by the reciprocal is that same as flipping the second fraction and multiplying.

Watch this youtube video for more: https://www.youtube.com/watch?v=q4vEI4mk8g0

Hope I helped!

~Olivia
8 0
3 years ago
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