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galina1969 [7]
2 years ago
8

8 I need help with plz

Mathematics
2 answers:
mylen [45]2 years ago
5 0

The answer to the question  mark is 5%. I just added all of the percentages out of 100% and it added up to 95%.

mafiozo [28]2 years ago
3 0
The person who said something above is right
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Line EF is the median of the trapezoid ABCD. The median connects the midpoint of the legs of a trapezoid. Use the diagram to fin
FromTheMoon [43]

Answer:

  • median: 15
  • base: 18

Step-by-step explanation:

The median is the average of the lengths of the two bases:

  5x -20 = (12 + (4x -10))/2

  5x -20 = 2x +1

  3x = 21 . . . . . add 20-2x

  x = 7

Then the lengths are ...

  median = 5x -20 = 5·7 -20 = 15

  base = 4x -10 = 4·7 -10 = 18

6 0
3 years ago
A roller coaster’s height is given by the equation h = –.025t2 + 4t + 50, where t represents the time in seconds. How long will
larisa [96]

The time it will take the roller coaster to reach the ground is 171.65 seconds

<h3>Function and values</h3>

Given the roller coaster’s height given by the following parameters

h = –0.025t² + 4t + 50

On the ground level, the height will be zero. Substitute h = 0 and determine the value of t

–0.025t² + 4t + 50 = 0

0.025t² - 4t - 50 = 0

Factorize

On factorizing the time it will take the roller coaster to reach the ground is 171.65 seconds

Learn more on functions here: brainly.com/question/10439235

#SPJ1

8 0
1 year ago
What is the equation of the line, in general form, that passes through the point (1, 1) and has a y-intercept of 2. A. x - y - 2
sammy [17]

Answer:

The answer is option C

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the line first find the slope

The line has a y intercept of 2 which is

(0 , 2)

Slope of the line using points

( 1 ,1) and (0,2) is

m =  \frac{2 - 1}{0 - 1}  =  \frac{1}{ - 1}  =  - 1

So the equation of the line using point (1,1) is

y - 1 = - 1(x - 1)

y - 1 = - x + 1

x + y - 1 - 1 = 0

We have the final answer as

<h3>x + y - 2 = 0</h3>

Hope this helps you

6 0
3 years ago
A company's mean salary is $65,000 with a standard deviation of $6,000. If a sample of
sweet-ann [11.9K]

Answer:

None of these

Step-by-step explanation:

math math math

8 0
2 years ago
Read 2 more answers
What number is a common factor for 16 and 56
valina [46]
8 is the greatest common factor
3 0
3 years ago
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