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Damm [24]
3 years ago
7

Which of the following describes a situation in which the total distance a car travels is 0 meters from its starting point?

Mathematics
2 answers:
Sedbober [7]3 years ago
7 0
The car first travels a distance of 9 meters and then travels 9 meters in the opposite direction
katrin2010 [14]3 years ago
4 0
Last one.....car travels 9 meters and then travels 9 meters in opposite direction
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Describe the rule for the rotation.
finlep [7]

Answer:

Step-by-step explanation:

If you draw a line from the origin (0,0) to L ( the original point ) and a different line from the origin to the image L' you can see the angle of rotation as being

90 degrees and that the rotation is clockwise.  

the rule is (x, y) become ( y, -x)

4 0
3 years ago
There is concern that increased industrialization may be increasing the mineral content of river water. Ten years ago, the silic
Tema [17]

Answer:

a) P value = 0.0013

b) No, it is not plausible that the silicon content of the water is no greater than it was 10 years ago

Step-by-step explanation:

The null hypothesis here is “Mean is equal to 5” while alternate hypothesis is that “Mean is greater than 5”

Given  

Mean = 5, x’ = 5.4 and sigma = 1.2 and n = 85

Z = x-u’/sigma/sqrt n

Substituting the given values, we get –  

Z = 3.02

A) P value = 0.0013 which is less than 0.05 and thus we will reject the null hypothesis

B) There is enough evidence to reject the null hypothesis  

6 0
3 years ago
What is the radius of a circle. =units
madreJ [45]

Answer:

The circumference is the outside perimeter of a circle. It's the distance around a circle. A radius can be a line from any point on the circumference to the center of the circle. If you put two radii together, edge to edge, going through the center of a circle, you would get a diameter.

Step-by-step explanation:

7 0
3 years ago
How far in feet will a child on the edge of the merry-go-round travel? If r=6 feet, the angle is 310
goblinko [34]

Answer:

First some theory we need to solve this problem.

For a circle of radius R, the perimeter is:

P = 2*pi*R

where pi = 3.14

If we have a section of this circle, defined by an angle θ, the length of this arc will be:

A = (θ/360°)*2*pi*R

In the case of the problem, the total distance that the child travels is equal to the length of an arc of 310° in a circle of radius r = 6ft.

Using the above formula, we know that the length of this arc is:

A = (310°/360°)*2*3.14*(6ft) = 32.4 ft

7 0
3 years ago
Farmer brown picked oranges. He gave 3/8 To John and 2/3 of the remainder to Steve. If Steve recieved 75 oranges, how many did f
insens350 [35]
Find the ratio of number of oranges received by John and Steve , you get 9:16

do cross multiplication
9:16
x:75
\frac{75 \times 9}{16}  = 42
ignore the decimals
8 0
3 years ago
Read 2 more answers
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