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Elina
22 hours ago
14

Miss lubek put her 28 students into four equal groups. She gave each group 35 sheets of paper. How many sheets of paper did each

student get?
Mathematics
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The formula h -15 = 3.2t gives the height h in inches of a plant t weeks after planting.
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Set t = 0 to find the initial height
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2 months ago
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A new weight-watching company, Weight Reducers International, advertises that those who join will lose an average of 10 pounds a
Inessa [12570]

Answer:

The value calculated is Z = 2.53, which exceeds 1.96 at a significance level of 0.05

This leads to the rejection of the null hypothesis H₀

Thus, we accept the alternative hypothesis

This implies that individuals participating in Weight Reducers will lose more than 10 pounds

Step-by-step explanation:

Step(i):-

The size of the random sample 'n' = 50

The new weight-loss program, Weight Reducers International, claims that members will shed an average of 10 pounds within the initial two weeks, with a standard deviation of 2.8 pounds.

Population mean 'μ' = 10 pounds

Population standard deviation 'σ' = 2.8 pounds

Sample mean 'x⁻' = 9

Significance level ∝ = 0.05

Step(ii):-

Null hypothesis: H₀: μ < 10

Alternative hypothesis: H₁: μ > 10

Test statistic calculation

z= \frac{x^{-} - mean}{\frac{S.D}{\sqrt{n} } }

z= \frac{9 - 10}{\frac{2.8}{\sqrt{50} } } = \frac{-1}{0.395} = 2.53

The determined Z value is 2.53

In this case, the critical value Z is 1.96 at the 0.05 significance level

Step(iii):-

Calculated Z value of 2.53 is greater than 1.96 at a significance level of 0.05

Consequently, we reject the null hypothesis H₀

We accept the alternative hypothesis

Conclusion:-

We determine that individuals who sign up for Weight Reducers will experience a weight loss exceeding 10 pounds

6 0
2 months ago
The two containers are mathematically similar in shape. The larger container has a volume of 3456cm3 and a surface area of 1024c
zzz [12365]

Answer:

1458/3456 reduces to 27/64 (after simplification)

The cube root of 27/64 equals 3/4

The square of 3/4 calculates to 9/16

Multiplying 9/16 by 1024 results in 576.

THIS IS THE ACTUAL WORK AND RESULT

Please make me brainliest

4 0
2 months ago
the diameter of a cylindrical box of CDs is 5 inches. The height of the box is 4 inches. Whuch measurement is closest to the tot
Svet_ta [12734]
To calculate the area, simply multiply 5 by 4, resulting in 20.
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1 month ago
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A circle is shown. Secants E G and D G intersect at point G outside of the circle. Secant E G intersects the circle at point F a
Zina [12379]

Answer:

Step-by-step breakdown:

The necessary formula for this problem is

6(6+x)=5(5+x+3)

which resolves to

6(6+x)=5(8+x)

leading to

36 + 6x = 40 + 5x, and consequently

x = 4

Thus, DG equals 5 + 4 + 3, resulting in 12

7 0
2 months ago
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