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Mazyrski [523]
3 years ago
13

Select the correct answer.

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0
C. 7.2°F is warmer than 7.0°F but colder than 7.6°F.
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Sarah uses 9.9 pints of blue paint and white paint to paint her bedroom walls. 3/5
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Answer: 3.96 pints

Step-by-step explanation: if 3/5 is blue, then 2/5 has to be white (since 3/5 + 2/5 = 1). Multiply 9.9 by 2/5 to get 3.96 pints

8 0
3 years ago
ostricher teacher plans to arrange the students in equal roles only girls are boys will be in each row if there are 44 girls and
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1 year ago
If 7x + 5y=25 and 3x+2y= what is the value of x+y
Nostrana [21]

Answer:

Step-by-step explanation:

5 0
4 years ago
Ten times the square of a nonzero number is equal to forty times the number. what is the number?
Virty [35]
For the answer to the question, what is t<span>Ten times the square of a nonzero number is equal to forty times the number</span><span>10∗x2=40x</span>the question's statement<span>x2−4x=0</span>simplifyx(x−4)=0factor out an x x=0,x=4 the two solutions
5 0
4 years ago
A random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of dr
sasho [114]

Answer:

25.05

Step-by-step explanation:

Given that a random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of drivers for the given categories is 18% for the under 26 group, 39% for the 26-45 group, 31% for the 45-65 group, and 12% for the group over 65.

     

<26 26-45 46-65` >65  

Observed  O 66 39 25 30 160

Expected  E 40 40 40 40 160

     

Chi square      

(O-E)^2/E 16.9 0.025 5.625 2.5 25.05

Thus we get chi square test statistic = 25.05  

5 0
3 years ago
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