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Molodets [167]
2 years ago
6

Can someone please help ASAP (solving rational equations)

Mathematics
2 answers:
aivan3 [116]2 years ago
4 0
The answer is c, x=1
mart [117]2 years ago
4 0

\dfrac 1 2 = \dfrac 1 x - \dfrac{1}{2x^2}

Multiply both sides by 2x²,

x^2 = 2x - 1

x^2 - 2x + 1 = 0

(x - 1)^2 = 0

x - 1 = 0

x=1

Answer: C.   x=1

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Tim’s savings account pays a simple annual interest rate of 3.5%. Suppose he deposits $5,500 in the account and makes no additio
dimaraw [331]

$6462.5

Simple Interest = (Principal × Rate × Time) / 100

SI = (P×R×T) / 100

P = 5500

R = 3.5

T = 5

[substitute the values into the formula]

SI = (5500 × 3.5 × 5) / 100

SI = 96250 / 100

SI = 962.5

Total = Principal + Simple Interest

T = P + SI

T = 5500 + 962.5

T = 6462.5

The total value of the account after 5 years will be $6462.5

6 0
3 years ago
Please help me find the function to y
Fed [463]

Answer:

(-1, -7) (0, -1) (1, 5) (5, 29)

Step-by-step explanation:

okay so the equation is y = 6x - 1

all you have to do is plug in all the x values to get the y

y = 6(-1) - 1

y = - 6 - 1

y = -7

y = 6(0) - 1

y = 0 - 1

y = -1

y = 6(1) - 1

y = 6 - 1

y = 5

y = 6(5) - 1

y = 30 - 1

y = 29

8 0
3 years ago
Ashley sells 18.6 kg bags of mixed nuts that contain 60% peanuts. To make her product she adds peanuts to Brand A's mixed nuts w
slavikrds [6]

Answer:

She combines 9.3 kg of each.

Step-by-step explanation:

Let x = amount of brand A in kg

Let y = amount of peanuts in kg

First we deal with the amount of each product she uses.

"Ashley sells 18.6 kg bags of mixed nuts that contain 60% peanuts."

x + y = 18.6

Now we deal with just the amount of peanuts.

"To make her product she adds peanuts to Brand A's mixed nuts which contain 20% peanuts."

Brand A contains 20% peanuts, so x kg of brand A contains 0.2x kg of peanuts.

The peanuts she adds are pure peanuts, so all of y is peanuts.

The result is 18.6 kg of a mixture that is 60% peanuts, so the amount of peanuts in the bags she sells is 0.6 * 18.6 kg.

0.2x + y = 0.6 * 18.6

0.2x + y = 11.16

We have a system of equations:

x + y = 18.6

0.2x + y = 11.16

We have y in both equations, so let's subtract the second equation from the first equation to eliminate y.

0.8x = 7.44

Divide both sides by 0.8

x = 9.3

Plug in 9.3 for x in the first equation of the system and solve for y.

x + y = 18.6

9.3 + y = 18.6

y = 9.3

Answer: She combines 9.3 kg of each.

4 0
2 years ago
If 35 gms of pure drug are contained in 150 mls, how many grams are contained in 75 mls?
Leviafan [203]

Answer:

17.5

Step-by-step explanation:

The ratio of "pure drug" to liquid is 35:150

Therefore to evaluate for 75 mls we get the ratio 75/2150 or simply 1/2

we can then multiply 35 by the ratio 1/2

35/2=17.5

State the answer

In 75 mls there are 17.5 grams of pure drug

8 0
2 years ago
Shondra was unsure about what career to go into. Her high school counselor suggested a personal assessment to point out Shondra’
sineoko [7]

Answer:

lawer, Police officer criminal justice

7 0
2 years ago
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