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kogti [31]
3 years ago
6

A pyramid has a square base with sides 8" and a slant height of 5". Total Area = 224 square units 200 square units 144 square un

its
Mathematics
2 answers:
erik [133]3 years ago
8 0

Answer:

Total area of square base pyramid is 144 square units.

Step-by-step explanation:

It is given that pyramid has a square base with sides 8 and a slant height of 5.

a=8

l=5

Total area of square base pyramid is

A=a^2+2al

Where, a is side length of square and l is slant height.

A=(8)^2+2\times 8 \times 5

A=64+80

A=144

Therefore area of square base pyramid is 144 square units.

son4ous [18]3 years ago
6 0
The answer to this problem is 144 square units.
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A biologist was interested in determining whether sunflower seedlings treated with and an extract from Vinca minor roots resulte
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Answer:

Kindly check explanation

Step-by-step explanation:

H0 : μ = 15.7

H1 : μ < 15.7

This is a one sample t test :

Test statistic = (xbar - μ) ÷ (s/√(n))

n = sample size = 33

Using calculator :

The sample mean, xbar = 15.41

The sample standard deviation, s = 0.419

Test statistic = (15.41 - 15.70) ÷ (0.419/√(33))

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Using the Pvalue calculator :

Degree of freedom, df = n - 1 ; 33 - 1 = 32

Pvalue(-3.976, 32) = 0.000187

Decison region :

Reject H0 if Pvalue < α

Since Pvalue < α ; we reject H0

There is significant evidence to conclude that the true average height of the seedlings treated with an extract from Vinca minor roots is less than 15.7 cm.

4 0
2 years ago
Explain why the absolute value equation |3x|+8=5 has no solution.Required to answer. Single line text.
Anettt [7]



Absolute value means the real answer for example |-5| answer is 5
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3 years ago
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Answer:

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Ronch [10]

Answer:

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Step-by-step explanation:

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For example:

\left(x\:+\:3\right)^2

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3 years ago
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