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S_A_V [24]
3 years ago
9

Of the 164 students who took a mathematics​ exam, 72 correctly answered the first​ question, 93 correctly answered the second​ q

uestion, and 43 correctly answered both questions. How many students did not answer either of the two questions​ correctly?

Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0

Answer:

42

Step-by-step explanation:

the student that correct only the first question

=72-43=29

the student that correct only the second question

=93-43=50

the student that didn't answer either of the two questions

=all students - 29 - 50 - 43

=164-29-50-43 = 42 persons

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What is the second smallest number that has 1,2,3,4,and 5?
n200080 [17]

Answer:

12354

Step-by-step explanation:

The smallest number with 12345  (I am assuming with out decimals) is

12345

If we switch the 5 and 4  we will get the second smallest number

12354

4 0
3 years ago
Read 2 more answers
HELP PLEASE ASAP!! WILL GIVE BRAINLIEST ❤️
Wewaii [24]

Answer:

slope=4

Step-by-step explanation:

m=y2-y1/x2-x1

4-(-4)=8

5-3=2

8/2=4

hope this helps :3

if it did pls mark brainliest

6 0
3 years ago
The price of tomatoes went from $1.12 per pound to $1.96 per pound in 3 years. find the rate of change of the price of tomatoes.
ad-work [718]

\bf \begin{array}{|cc|ll} \cline{1-2} \stackrel{x}{year}&\stackrel{y}{price}\\ \cline{1-2} 0&1.12\\ 3&1.96\\ \cline{1-2} \end{array}~\hspace{10em} (\stackrel{x_1}{0}~,~\stackrel{y_1}{1.12})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{1.96}) \\\\\\ \stackrel{\textit{rate of change}}{slope = m\implies} \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{1.96-1.12}{3-0}\implies \cfrac{0.84}{3}\implies 0.28

7 0
3 years ago
Use the interactive to make a line that passes through the points 3'2 and -1'-1 slope
Oliga [24]

The required equation of the line passing the coordinates will be y = 3/4x - 1/4

<h3 /><h3>Equation of a line</h3>

The standard equation of a line is expressed as y= mx + b

where

m is the slope

b is the y-intercept

Given the coordinate points on a line (3, 2) and (-1, -1)

Slope = -1-2/-1-3

Slope = 3/4

Determine the y-intercept

2 = 3/4(3) + b
2 = 9/4 + b

b = 2 - 9/4

b = -1/4

The required equation of the line passing the coordinates will be y = 3/4x - 1/4

Learn more on equation of a line here: brainly.com/question/18831322

#SPJ1

7 0
2 years ago
Determine value of k
Ipatiy [6.2K]
72+k is equal to 180. So if you set up a equation if looks like:

72+k=180

Subtract 72 from both sides

K=108°

Your answer is 108°
3 0
3 years ago
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