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Yuki888 [10]
3 years ago
8

Some middle school students are asked if they play checkers and chess. The results of the survey are shown in the table.

Mathematics
2 answers:
ehidna [41]3 years ago
5 0

Answer:

A. 0.52

B. 0.48

C. 0.13

Step-by-step explanation:

Not 100% on this one

A. 42/81

B. 39/81

C. 6/45

BaLLatris [955]3 years ago
3 0
How’s everybody’s day :)
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A car is traveling at a rate of of 55 miles per hour. how many feet oer hour does the car travel?
Ray Of Light [21]
There are 5280 ft in a mile. 55*5280=290400. So the car is travelling 290,400 ft/hour
7 0
3 years ago
PLZZZZ ANSWER ASAP.The blue line is the graph of y = –x + 3. Use the sliders to make the orange line represent y = –2x + 9. Exam
Elza [17]

We have been given a system of equations. y =-x + 3 and y =-2x + 9. We are asked to find the solution of our given system of equations.

The solution of our given system of equations will be the point, where both lines will intersect.

To find intersection point, we will equate both equations as:

-x + 3=-2x + 9

-x + 3-3=-2x + 9-3

-x=-2x +6

-x+2x=-2x+2x +6

x=6

Now we will substitute x=6 in equation  y =-x + 3 and solve for y.

y =-x+ 3\Rightarrow -6+3=-3

Therefore, the point (6,-3) is the solution of our given system of equations.

We can verify our answer by graphing both equations.

6 0
3 years ago
Read 2 more answers
If tanx=-4/3 and x is in quadrant 2 then cos2x=?<br> A. 7/25<br> b. -3/5<br> c. -7/25<br> d. 3/5
sweet-ann [11.9K]

= (1 - tan^2 (x)) / (1 + tan^2 (x))  

= (1 - (-4/3)^2) / (1 + (-4/3)^2)  

= (1 - (16/9)) / (1 + (16/9))  

= (9 - 16) / (9 + 16) [By multiplying numerator and denominator with 9]  

= (-7) / (25)  

= -7/25

3 0
3 years ago
How many solutions does 14x+2=10x+5 have?
uysha [10]

Answer:

There is only one solution

Step-by-step explanation:

14x + 2 = 10x + 5

Isolate the x to solve:

4x + 2 = 5

4x = 3

x = \frac{3}{4}

There is only one solution

4 0
3 years ago
5409/50 simplified<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5409%7D%7B50%7D%20" id="TexFormula1" title=" \frac{5409}{50
Tatiana [17]
This answer is already in simplest form so the answer is simply 5409/50
6 0
3 years ago
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