A 208-long road is divided into 16 parts of equal length.Mr.Ward paints a 4-meter-long strip in each part.How many total meters
2 answers:
Answer
Find out the how many total meters are not painted in the 208 meters of road .
To prove
Let us assume that the total meters are not painted in the 208 meters of road be x.
As given
A 208-long road is divided into 16 parts of equal length.
Each road length when divided into 16 equal parts = 13 meters
As given
Mr.Ward paints a 4-meter-long strip in each part.
Mr.Ward not paints in each part = 13 - 4
= 9 meters
Thus
Total meters are not painted in the 208 meters of road = 9 × 16
= 144 meters
Therefore 144 meters are not painted in the 208 meters of road .
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Answer: a. 0.1031; fail to reject the null hypothesis
Step-by-step explanation:
Given: Significance level :
The test statistic in a two-tailed test is z = -1.63.
The P-value for two-tailed test : [By p-value table]
Since, 0.1031 > 0.05
i.e. p-value >
So, we fail to reject the null hypothesis. [When p< then we reject null hypothesis ]
So, the correct option is a. 0.1031; fail to reject the null hypothesis.
The potential function exists, so
Given:
x = 12 in, y = 16 in and z = 20 in
To find:
The surface area of the geometric shape.
Solution:
Area of top rectangle = z × z
= 20 × 20
Area of top rectangle = 400 in²
Area of middle rectangle = z × y
= 20 × 16
Area of middle rectangle = 320 in²
Area of bottom rectangle = z × x
= 20 × 12
Area of bottom rectangle = 240 in²
Area of left triangle =
Area of left triangle = 96 in²
Area of right triangle =
Area of right triangle = 96 in²
Surface area = 400 + 320 + 240 + 96 + 96
= 1152
The surface area of the geometric shape is 1152 in².