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Andy Bonilla
Mathematics
The length of a rectangle is 8 more than the width. The area is 825 square inches. Find the length and width of the rectangle
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Chloe Pratt
Mathematics
A student wondered if more than 10% of students enrolled in an introductory Chemistry class dropped before the midterm. He noticed that 2 out of 15 of his friends in the class dropped before the midterm. Based on his sample, he performed a hypothesis test. Is the hypothesis test a one-tailed or two-tailed test?
A. It is a two-tailed test since the null hypothesis states that the parameter is not equal to the hypothesized valued.
B. It is a two-tailed test since the alternative hypothesis states that the parameter is not equal to the hypothesized value.
C. It is a one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.
D. It is a one-tailed test since the alternative hypothesis states that the parameter is not equal to the hypothesized value.
E. It is a two-tailed test since the alternative hypothesis states that the parameter is greater than they hypothesized value.
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Guest
Mathematics
1. Explain how to find equivalent fractions for 9/12
2. Explain how to simplify 16/24
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Guest
Mathematics
How do you tie up a spaceship in spaceEnter your question
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Guest
Mathematics
Write three ratios equal to 7/35? A 1/7, 2/14, 3/21 B 5/7, 10/7, 15/7 C 7/35, 7/40, 7/45 D 1/5, 2/10, 3/15 I think it is C or D.
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Blake Mccall
Mathematics
Divide. (10m^8 + 4m^6 + 10m^5) : 2m^2
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Shayla Cantu
Mathematics
MrsBacker paid $2.50 for 5 pounds of bananas. write an equation relating the cost c to the number of pounds p of bananas. how much would mrs. backer pay for 8 pounds of bananas
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Nataly Christensen
Mathematics
An aircraft travels with the wind for 120 miles in 0.75 of an hour. The return trip is flown against the wind and takes exactly 1 hour.
Which system of linear equations represents x, the speed of the plane in miles per hour, and y, the speed of the wind in miles per hour? Recall the formula d = rt.
0.75 (x + y) = 120
x - y = 120
0.75 (x - y) = 120
x + y = 120
120 (x + y) = 0.75
120 (x - y) = 1
120 (x - y) = 0.75
120 (x + y) = 1
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Wesley Silva
Mathematics
Katie cut out a rectangular piece of wrapping paper that was 2 times as long
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Johanna Villa
Mathematics
What is the standard notation of 6.104x10^2
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Brando
Mathematics
Multiply the polinomials (3x^2+5x+9) (6x-8)
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Misael Fox
Mathematics
Sarah has 128 stickers. alex has 10 fewer stickers than sarah. how many stickers does Alex have.
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Rory Lynch
Mathematics
Twice a number added to 4 is 28
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Guest
Mathematics
Describe the relationship between rational numbers and ratios
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Yusuf Marshall
Mathematics
Find the solution set for the given inequality if the replacement set is {1, 2, 3, 4, 5, 6}.
3x - 5 ≥ 7
A.
{1, 2, 3}
B.
{4, 5, 6}
C.
{1, 2, 3, 4}
D.
{5, 6}
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