Answer:
its d
Explanation:
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Answer:
1, 4 & 6 are likely to be correct
Explanation:
1 When the target group is American adults, who very often have landline telephones and cellphones, it can be argued that including them will be more accurate.
4 This may be true; I can imagine that there are people, socioeconomically different, who don´t have (access to) landline phones.
6. Birthday doesn´t have anything to do with age, as suggested in nr. 5 and nr. 7. Birthyear does. The selection of most recent birthday in a household is a good way of selecting at random.
2, 3 and 8 are statements that don´t have any scientifical reasoning.
Answer:
27.4 yards
Explanation:
The diagonal of a rectangle, one of it's length and one of it's width will form a right angle triangle
Let
Width = x
Length = 2x
Diagonal = 80 yards
c^2 = a^2 + b^2
Where
c= diagonal
a= length
b= width
c^2 = a^2 + b^2
80^2 = (2x)^2 + (x)^2
80^2 = 2x * 2x + x^2
80^2 = 4x^2 + x^2
6,400= 5x^2
Divide both sides by 5
x^2= 6400 / 5
= 1280
x^2 = 1,280
Find the square root of both sides
√x^2 = √1,280
x= 35.8
How many yards, to the nearest tenth of a yard, does a person save by walking diagonally across the land instead of walking its length and its width?
Yards saved= (Length + width) - diagonal
= (2x+x) - 80
= {2(35.8) + 35.8} - 80
= (71.6 + 35.8) - 80
= 107.4 - 80
= 27.4
Yards saved = 27.4 yards
The answer could be either B or D but I’m gonna go with D
The body of water south of Kuwait is The Persian Gulf
