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Rufina [12.5K]
2 years ago
15

Consider the pie chart given below giving the results of a survey asking

Mathematics
1 answer:
irina [24]2 years ago
3 0
The answer is 56 people out of the 200
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The data set shows the lengths, in minutes, of different musical performances.
victus00 [196]
The interquartile range for these numbers is 22.5
6 0
3 years ago
Read 2 more answers
Someone please help i just need help with this one question please and thank you :)
seropon [69]

Answer:

Thanks for asking!

Step-by-step explanation:

For ABD x equals 18 and for DBC equals 54.

4 0
2 years ago
Read 2 more answers
3) Valerie works at a local amusement park. She earns $9.80 per hour. She 20 points
NemiM [27]
<h3>Answer:  Choice A</h3><h3>9.80h+10 = 88.40</h3>

===========================================================

Work Shown:

  • h = number of hours worked.
  • 9.80h = amount of money earned after working h number of hours (ignoring the meal bonus).
  • 9.80h+10 = total amount of money earned after adding on the meal bonus.
  • 9.80h+10 = 88.40 is the equation we use since the total 9.80h+10 is the same as the total she earned 88.40 dollars.

--------------------

Extra info (optional section)

If you want to solve for h, then you could follow these steps.

9.80h+10 = 88.40

9.80h = 88.40-10 ... subtract 10 from both sides

9.80h = 78.40

h = 78.40/9.80 .... divide both sides by 9.80

h = 8

Valerie worked 8 hours on Friday.

As a check,

9.80h + 10 = 88.40

9.80*8 + 10 = 88.40

78.40 + 10 = 88.40

88.40 = 88.40

The answer is confirmed.

3 0
3 years ago
Which is the best estimate for the expression?<br> 49% of 15
irakobra [83]


49%=0.49

0.49x15=7.35

49% of 15 is 7.35

3 0
3 years ago
Read 2 more answers
Rewrite the equation 4x + 5x2 = 8x – 7 in standard form and
Makovka662 [10]

Answer:

The correct option is a=5, b = -4, c=7 ....

Step-by-step explanation:

The standard form is ax²+bx+c=0

where a, b, and c being constants, or numerical coefficients, and x is an unknown variable.

The given expression is:

4x + 5x2 = 8x – 7

To make it a standard equation we will move all the values to the left hand side and 0 will be left at the right hand side.

4x+5x²-8x+7=0

Now solve the like terms and arrange the equation according to the standard form:

ax²+bx+c=0

5x² - 4x +7 =0

Here a = 5

b = -4

c= 7

Thus the correct option is a=5, b = -4, c=7 ....

4 0
2 years ago
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