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Scilla [17]
4 years ago
9

Write a proportion for: a test is worth 50 points; test score of 40%

Mathematics
2 answers:
DochEvi [55]4 years ago
7 0
The proportion for a test of 50 points with a test score of 40%:

You need to multiply 0.4 and 50. Which is 0.4 • 50 = 20

Hope this helps! :)
stepladder [879]4 years ago
3 0
It would be 50:20 or 25:10 or 5:2
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The answers to the 3 questions
Simora [160]
  • It is linear as the equation performs ax+by +c
  • y = 90.2x - 177670
  • number of student to enroll 2011 is 3722

Step-by-step explanation:

  • Linear is a straight line.
  • Quadratic is a square which generates parabola.
  • Quadratic formula is (ax)^2 + bx + c = 0.
  • Linear formula is ax+bx + c = 0
  • To  forecast time series data modelling can be used.
  • To form a linear equation y = mx + c.
  • After finding x is the required value , m is the intercept and C constant.
  • X axis have years and Y axis has the value.
  • to find number of students x is 90.2 * 2011 - 177670.
  • The result comes to 3722.
  • In Data analysis predictive modeling is the second phase.
  • It is important because it helps in associating to variables.
3 0
4 years ago
What is the value of x?<br><br> 9<br> 40<br> x=?
tino4ka555 [31]
X=41

a^2+b^2=c^2

9^2+40^2=x^2
7 0
3 years ago
The volume of a rectangular solid is 180 cubic centimeters. The length is 10 centimeters, and the width is 4 centimeters. Using
boyakko [2]
V = 180 cm3
l = 10 cm
w = 4 cm
h = ?

V=lwh, so to get h, divide equation by lw, to get h=V/(lw).

h = 180/(10*4) = 4.5 cm
5 0
4 years ago
Find the missing side of the triangle. 14 mi 11 mi x
DanielleElmas [232]

Answer:

5\sqrt{3}

Step-by-step explanation:

a^{2} +b^2=c^2\\11^2+x^2=14^2

121+x^2=196

x^2=75

x=\sqrt{75} \\5\sqrt{3} \\or 8.66

7 0
3 years ago
2x+3=?<br> 2+3=?? Help please!!
stepan [7]

2x+3=5x

2+3=5............

7 0
3 years ago
Read 2 more answers
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