2 years ago

Solve the equation with quadratic formula

Mathematics

1 answer:

DochEvi [55]2 years ago

3 0

X=2+or- the square root of 34/5

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Use elimination to solve for x and y:

trapecia [35]

Answer:

x=3, y=2

Step-by-step explanation:

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2 years ago

PLEASE HELP MEEEEEE PLEASEEEEEEEE!!!!!! IM TIMED

crimeas [40]

Set up an equation to solve.

$8.50x (since it is the rate of change) + $12 (flat fee) = total money earned (or y). In this case, we have the total, amount, and are looking for x. Plug $139.50 into the equation.

$8.50x + $12 = $139.50

Now, solve for x.

$8.50x + $12-12 = $139.50-12 > $8.50x = $127.5

$8.50/8.50x = $127.5/8.50 > x = 15

So, the correct answer is D. Olivia babysat for 15 hours.

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2 years ago

Simplify algebraic expression 3/4 (1/2X - 12) + 4/5

Nata [24]

$\frac{3}{4} ( \frac{1}{2} x-12)+ \frac{4}{5} =$

$=\frac{3}{4} ( \frac{x}{2} -12)+ \frac{4}{5}$

$= \frac{3x}{8} -9+ \frac{4}{5}$

$= -\frac{41}{5} + \frac{3x}{8}$

The answer is: $-\frac{41}{5} + \frac{3x}{8}$

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3 years ago

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Phoenix [80]

Answer:

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3 years ago

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Which logarithmic graph can be used to approximate the value of y in the equation 4^y = 5?

Sloan [31]

$4^{y} = 5

log_{4}(4)^{y} = log_{4}(5)

y=log_{4}(5)

So, the graph of the function should be y=log_{4}(x), or f(x)= log_{4}(x)

Correct answer is the last one.$

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2 years ago