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Nimfa-mama [501]
3 years ago
9

A student gets 9 out of 15 problems correct on a homework assignment. What percent of the assignment did the student get incorre

ct?
_______%
Mathematics
2 answers:
horrorfan [7]3 years ago
5 0

Answer:

40%

Step-by-step explanation:

Lesechka [4]3 years ago
4 0
60% !!!!!!!!!!!!!!!!!!
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Find the value of the expression:<br> x(x-y)-y(y^2-x) for x=4 and y=2
svet-max [94.6K]

Replacing x by 4 and y by 2, it is found that the value of the expression is of 8.

The expression given is:

x(x - y) - y(y^2 - x)

We want to evaluate it for x=4 and y=2, hence, we replace x by 4 and y by 2, then:

4(4 - 2) - 2(2^2 - 4) = 4(2) - 2(0) = 8

The value of the expression is of 8.

A similar problem, in which the objective is finding the value of an expression, is given at brainly.com/question/19548262

4 0
3 years ago
How do you know if an equation of a line is a vertical line?
Gemiola [76]

Answer:

similarly,on the graph in vertical line,x only takes value.thus, the equation for a vertical line is x=a,where is a value that x takes.

7 0
2 years ago
What is the correct definition for cot theta?
NemiM [27]

The correct definition for cot theta is (cos theta)/(sin theta). <span>Cotangent </span><span>(in a right-angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle. </span>I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

5 0
3 years ago
Read 2 more answers
A bag contains n blue and m red marbles. You randomly pick a marble from the bag, write down its color, and then put the marble
Oksana_A [137]

Answer:

(mn+n²)/(m+n)

Step-by-step explanation:

probability of blue marble= n/(n+m)

probability of red marble= m/(n+m)

probability that process stops = Probability of both blue + probability of both red=  n/(n+m) × n/(n+m) + m/(n+m)×m/(n+m)

                        = (n²+m²)/(n+m)²

P(1st marbel is blue)= P(blue and red) + P(blue and blue)

                                  = mn/(n+m) + n²/(n+m)

                                   = (mn+n²)/(m+n)

P(1st marble is blue | process stops)= ( (mn+n²)/(m+n)× (n²+m²)/(n+m)²)/ ((n²+m²)/(n+m)²)

= (mn+n²)/(m+n)

3 0
3 years ago
Find the midpoint of the segment with the given endpoints.
Ksju [112]

The mid-point for given endpoints is (4,3)

Step-by-step explanation:

a mid-point is the point on a line segment that divides it into two equal portions.

If (x1,y1) and (x2,y2) are the coordinates of vertices of a line segment, then mid-point is given by:

M = (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})

given

(x1,y1) = (9,9)

(x2,y2) = (-1,-3)

M = (\frac{9-1}{2}, \frac{9-3}{2})\\\\=(\frac{8}{2}, \frac{6}{2})\\\\=(4,3)

The mid-point for given endpoints is (4,3)

Keywords: Coordinate Geometry, Mid-point

Learn more about coordinate geometry at:

  • brainly.com/question/4639731
  • brainly.com/question/4655616

#LearnwithBrainly

5 0
3 years ago
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