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Sonja [21]
3 years ago
11

5) Tyra went to the movies and bought a coke for $1.25, popcorn for $4.25 and peanut butter M&Ms for $3. How much did Tyra s

pend in I​
Mathematics
1 answer:
aivan3 [116]3 years ago
4 0
Tyra spent $8.5 i think
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Algebra graphing question
lozanna [386]

Answer:

Point (-2,1) Doesn't fall on the line.

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A national publication showed the following distribution of favorite class subjects for high school students.
matrenka [14]

Answer:

1 and 111 only

Step-by-step explanation:

The goodness of fit test is used to examine if there is significant evidence to say thatvthe observed and expected freqencies are from the desired distribution.

Condituis required for performing a goodness of fit test on a data include :

Randomness, sampled Data must have been chosen at random in other to be representative, here, randomness isn't exhibited as Pasquale used more of convenient sampling questioning the first 40 students.

Also, the expected value of the number of sample observation in each level of the variable should be atleast 5.

This is also violated, as the expected values for some of the levels are less than 5

Hence, conditions 1 and 111 are not met

7 0
3 years ago
Solve the system of equations below 4x+y=16 and 2x+3y=-2
astraxan [27]
4x+y=16 multiply both sides by -3 and will get 
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-12x -3y = -48
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--------------------------
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-10x = -50

x = -50/(-10) = 5

x = 5 

4x+y=16
4*5+y=16
20+y=16

y = 16-20

y = -4

x = 5
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hope helped 
7 0
3 years ago
Read 2 more answers
What is (4x+3)(x-7)=90
Ivan
It would be 16 i say
6 0
3 years ago
Read 2 more answers
3^x = 27^a+b and a^2-b^2/(a-b)=5 What is x?
Colt1911 [192]
Your answer should be 3x-x+2=4 hope this helps..
4 0
3 years ago
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