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Andre45 [30]
3 years ago
8

CAN PLEASE PLEASE GET HELP PLEASE I NEED IT PLEASE AND THANK YOU

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

the domain for (2x-1)/(x^2-7) is x not equal to +/- sqrt(7)

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Manuel bought 2kg of jelly beans and 2kg of gummy worms for a total of $26. Danny bought 2kg of jelly beans and 3kg of gummy wor
charle [14.2K]

Answer:

Jelly beans: $6 for 1 kg

Gummy worms: $7 for 1 kg

Step-by-step explanation:

In this question, we need to find the cost of 1kg of jelly beans and gummy worms.

To do this, make equations for both scenarios and solve:

2j + 2g = 26

2j + 3g = 33

Turn the bottom equation negative, as we will first solve for gummy worms (g).

2j + 2g = 26

-2j - 3g = -33

Solve:

-g = -7

Divide both sides by -1.

g = 7

We now know that gummy worms cost $7 for 1 kg

To solve for jellybeans (j), plug in 7 to g in one of the equations and solve:

2j + 2(7) = 26

2j + 14 = 26

Subtract 14 from both sides.

2j = 12

Divide both sides by 2.

j = 6

Jellybeans cost $6 for 1 kg.

Check answer by plugging in values to one of the equations:

2(6) + 2(7) = 26

12 + 14 = 26

26 = 26

3 0
3 years ago
three students had $9.00 total and went to a smack bar where their bill was $6.57. they want to divide up the money that is left
KatRina [158]
9.00+6.57=× is the answer
3 0
3 years ago
3. The shutter speed ,S, of a camera varies inversely as the square of the aperture setting,f,. When f=8, S=125..
AlekseyPX
A) S = 2410
b) S = 2410÷4= 602.5
I hope you know
6 0
3 years ago
Is this expression a perfect square trinomial?
Katyanochek1 [597]
Yes it is (10x-y)^2 is the answer of it
6 0
3 years ago
HEEEELPP PLZ........
PolarNik [594]

Answer:

12 or 12.1752499

Step-by-step explanation:

3 0
3 years ago
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