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Vika [28.1K]
3 years ago
9

A school trip requires students to score at least a total of 335 points on four tests. Each test is worth 100 points. If a stude

nt's scores on the first three tests
were 77, 95, and 82, what score would the student need on the last test to have no less than 335 points ?
O A. 79
OB. 75
O C. 93
O D. 81
Mathematics
2 answers:
trapecia [35]3 years ago
8 0

Answer:

D. 81

Step-by-step explanation:

To get the answer all you need to do is add all of the scores of the first three tests and then subtract that from 335.

HACTEHA [7]3 years ago
6 0

Answer:

D. 81

Step-by-step explanation:

You need to first add 77, 95 and 82 to get 254, Then you do 335 - 254 which is 81.

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The given line segment has a midpoint at (3,1)
masya89 [10]

Answer:

y=\frac{1}{3}x

Step-by-step explanation:

We have been given an image of a line segment and we are asked to find the equation of perpendicular bisector of our given line segment in slope-intercept form.

Since we know that the slope of perpendicular line to a given line is negative reciprocal of the slope of the given line.

Let us find the slope of our given line using slope formula.

\text{Slope}=\frac{y_2-y_1}{x_2-x_1}, where,

y_2-y_1 = Difference between two y-coordinates,

x_2-x_1 = Difference between two x-coordinates of same y-coordinates.

Upon substituting the coordinates of points (2,4) and (4,-2) in slope formula we will get,

\text{Slope}=\frac{-2-4}{4-2}

\text{Slope}=\frac{-6}{2}

\text{Slope}=-3

Now we will find negative reciprocal of -3 to get the slope of perpendicular line.

\text{Negative reciprocal of }-3=-(-\frac{1}{3})=\frac{1}{3}

Since point (3,1) lies on the perpendicular line, so we will substitute coordinates of point (3,1) in slope-intercept form of equation (y=mx+b).

1=\frac{1}{3}\times 3+b

1=1+b

1-1=1-1+b

b=0

Therefore, the equation of perpendicular line will be y=\frac{1}{3}x+0=\frac{1}{3}x and option A is the correct choice.

5 0
3 years ago
Read 2 more answers
Information about a play took up 1/3 of the pages in the program. Information about the actors took up 1/4 of the remaining page
Lisa [10]

Answer:

Step-by-step explanation:

Comment

Let the number of pages = x

Play =    1/3x

Actors = 1/4(x - 1/3 x)

Actors = 1/4(2/3x)

Actors = 2/12 x

Producer Director etc = 2 pages

Equation

Actors = 2 pages

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Solution

2x/12 = 2               Multiply both sides by 12

12*2x/12 = 2*12     Combine

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2x/2 = 24/2           Combine

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Answer

The program had 12 pages.

5 0
2 years ago
Q7 Q26.) Find the quotient of the complex numbers and leave your answer in polar form.
irina [24]

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8 0
4 years ago
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As the number of baseball cards increases, what happens to the money spent in dollars?
Nat2105 [25]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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Anastaziya [24]

Answer:

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Step-by-step explanation:

hope this help have a good day

4 0
3 years ago
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