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AlekseyPX
3 years ago
15

I miss 3 out of 10 questions on a health quiz. What is the percentage of correct answers???

Mathematics
2 answers:
Vladimir79 [104]3 years ago
8 0
So 10 questions is 100% you missed 30% of the questions so you would do 100%-30% which is 70%
andrey2020 [161]3 years ago
7 0
If you miss 3 questions, and there's a total of 10 questions you got 7 correct.

10-3=7

The questions that are correct are 7/10

To get the percentage, divide 7 by 10.

7÷10= .7

Move the decimal 2 spots to the right and you get 70%

This 70% is the percentage of correct answers
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Can someone help me solve the inequality-2x+4>8 with the steps? Thanks
stellarik [79]

\huge\text{Hey there!}

\rm{-2x + 4 > 8}

\large\textsf{SUBTRACT  4 to BOTH SIDES}

\rm{-2x + 4 - 4 > 8 - 4}

\large\textsf{CANCEL puts 4 - 4 because that gives you 0}

\large\textsf{KEEP: 8 - 4 because that helps solve for the x-value}

\rm{8 - 4 = \boxed{\bf 4}}

\rm{NEW\  EQUATION: -2x > 4}

\large\textsf{DIVIDE -2 to BOTH SIDES}

\mathsf{\dfrac{-2}{-2}>\dfrac{4}{-2}}

\mathsf{CANCEL\  out: \dfrac{-2}{-2}\  because\  that\  gives\  you\  1}

\mathsf{KEEP: \dfrac{4}{-2} \ because \ it \ helps \you \ compare\  to \  the \ x-value }

\mathsf{\dfrac{4}{-2} = \boxed{\bf -2}}

\rm{\bold{x < -2 }}

\rm{It\ is \ an\  O PENED \ circle \  shaded \  to \ the \ left \ side \ of \ the \ number  \ line}

\boxed{\boxed{\large\textsf{Answer: } \mathsf{\bf x < -2}}}\huge\checkmark

\large\text{Good luck on your assignment and enjoy your day!}

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8 0
2 years ago
Which best describes the range of the function f(x) = 2(3)^x?
viva [34]

Answer:

A

Step-by-step explanation:

If im wrong please correct me.

8 0
3 years ago
Read 2 more answers
The cost of a company picnic varies directly as the number of employees attending the picnic. If a company picnic costs $487.50
Drupady [299]

The company picnic cost $ 1300 for 80 employees

<em><u>Solution:</u></em>

Given that cost of a company picnic varies directly as the number of employees attending the picnic

Let "c" be the company picnic cost

Let "n" be the number of employees attending the picnic

Therefore,

cost \propto \text{ number of employees attending picnic }

c \propto n\\\\c = kn

Where "k" is the constant of proportionality

c = kn ---------- eqn 1

<em><u>Given that company picnic costs $487.50 for 30 employees</u></em>

Therefore substitute c = 487.50 and n = 30

487.50 = k(30)\\\\k = \frac{487.50}{30} = 16.25

<em><u>How much does a company picnic cost for 80 employees?</u></em>

Substitute n = 80 and k = 16.25 in eqn 1

c = 16.25(80) = 1300

Thus $ 1300 is the cost for 80 employees

5 0
3 years ago
Help me please<br> i've ask this 3 times and didn't get a correct answer
jasenka [17]

Answer:

240

Step-by-step explanation:

So to do this problem, you have to find the area of each 2d figure. To start off,  you need to find the top sides. (to make this easier I won't show the work)

<u>Green-</u>  Top & bottom: 16. Sides (4): 28

<u>Pink-</u>  Top & bottom: 8. Sides (4): 20

Now you add it all up.

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8 0
2 years ago
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Complete. What is the Original Price?
Pani-rosa [81]
90 80% disocunt so what you do is divide that then let me know what you got

3 0
3 years ago
Read 2 more answers
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