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4 years ago

What is the average of 5/6, 2/3, and 1/2?

Mathematics

2 answers:

Sloan [31]4 years ago

4 0

(5/6 + 2/3 + 1/2)/3 = 2/3 = 0.66

sukhopar [10]4 years ago

3 0

Find common denominator

5/6 + 4/6 + 3/6 =12/6 = 2

2/3=0.66666

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Evaluate 20.003+[(30.1+5.75)-6.87

Amanda [17]

Answer:

48.983.

Step-by-step explanation:

(The parentheses are not balanced so I am assuming that there is a square parentheses at the end of the given expression).

Using order of operations (PEMDAS):

20.003 + [(30.1 + 5.75) - 6.87] Work out the inner parentheses first:

= 20.003 + [35.85 - 6.87] Now the outer parentheses:

= 20.003 + 28.98

= 48.983.

3 0

3 years ago

Read 2 more answers

A new television set was recently purchased for the common room in a Residence Hall for $428.00 including tax. If the tax rate i

prohojiy [21]

The price of the television set before taxes is $400

<h3>How to find the price of the television set before taxes.?</h3>

The given parameters are:

Price after tax = $428.00

Tax rate = 7%

The price of the television set before taxes is calculated as:

Price after tax = Price before tax * (1 + tax rate)

This gives

$428.00 = Price before tax * (1 + 7%)

Express the percentage as decimal

$428.00 = Price before tax * (1 + 0.07)

Evaluate the sum

$428.00 = Price before tax * (1.07)

Divide both sides by 1.07

Price before tax = $400

Hence, the price of the television set before taxes is $400

Read more about sales tax at:

brainly.com/question/9437038

#SPJ1

5 0

2 years ago

Solve using the quadratic formula x2 - 6x - 40=0 Question options: x = 10 or x = -4 x = 4 or x = -10 x = -7 or x = 7 x = -4 - √7

Crazy boy [7]

Answer:

$x=-10$ or $x=4$

Step-by-step explanation:

$ax^2+bx+c=0$

$x^2-6x-40=0$

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\frac{-6\pm\sqrt{6^2-4(1)(-40)}}{2(1)}$

$x=\frac{-6\pm\sqrt{36+160}}{2}$

$x=\frac{-6\pm\sqrt{196}}{2}$

$x=\frac{-6\pm14}{2}$

$x=-3\pm7$

$x=-10$ or $x=4$

6 0

3 years ago

Read 2 more answers

Donnie is solving the equation 2x^2=27+3x with the quadratic formula. What values should he use for a , b , and c? A. a=2 b=27 c

OLga [1]

Your answer is D. a = 2, b = -3, c = -27.
This is because to use the quadratic formula, your equation needs to equal 0, and to do that, you need to subtract 27 and 3x from the right to get 2x² - 3x - 27 = 0, and since the -3 is the x value, we use it for b.

I hope this helps!

3 0

3 years ago

Read 2 more answers

Select the system that has the same solution as -2x+2y=-5 5x- 6y =8

stiks02 [169]

Answer:

-2x+2y=-5 is equal to x=y+ 5 /2

5x- 6y =8 is equal to x= 6 /5 y+ 8 /5

Step-by-step explanation:

5 0

3 years ago