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In-s [12.5K]
2 years ago
7

A circular running track is 1/2 mile long. Elena runs on this track, completing each lap in 1/10 of an

Mathematics
2 answers:
Aliun [14]2 years ago
7 0

Answer:

5 mph

Step-by-step explanation:

1/2 mile in 1/10 of an hour

1 mile in 1/5 of an hour

5 miles in 1 hour

fomenos2 years ago
3 0
The answer might be wrong but
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Solve for b help please
aliya0001 [1]

Answer:

-12=-4/3b

-12x4/3=b

-16=b

b=-16

4 0
3 years ago
Determine the value of Y.
aleksandr82 [10.1K]

Answer:

y=10°

Step-by-step explanation:

Here,

→(3x+18)°=(5x-4)°

→18°+4°=5x-3x

→22°=2x

→x=11°

Also,

3(4y+3)°+5x-4°=180°[The sum of the linear pair is 180°]

12y+9°+5x-4°=180°

12y+5°+5×11°=180°

12y+5°+55°=180°

12y=180°-60°

12y=120°

y=120°/12

y=10°

7 0
1 year ago
Read 2 more answers
A function is a relation in which each element in the input is mapped to how many elements in the output?
Scilla [17]
One input can map out multiple outputs
7 0
1 year ago
The vertices of a triangle are A(2,4), B (2,1), and C (5,1). Dilate the triangle with respect to the origin using a scale factor
melisa1 [442]

Answer:

i1

Step-by-step explanation:

maybe teh triagle

3 0
3 years ago
Read 2 more answers
Can someone explain this
ycow [4]

Answer:

Step-by-step explanation:

To find measures of angles m and n

The triangle to the left has three sides of equal length.

This means that it will also have three angles of equal measure.

The internal angles of a triangle sum to 180°

So the internal angles of the left triangle are 180/3 = 60°

The top right angle is made up of one of the 60° angles and angle n

60 + n = 90

n = 30°

Again the internal angles of a triangle sum to 180°, so the right triangle

m + n + 90 = 180

m = 180 - 90 - 30

m  = 60°

or we could realize that the top and bottom horizontal lines are parallel because the vertical line on the right makes right angles to both of them.

Knowing that they are parallel, we also know that angle m and the top right 60° angle of the left triangle are opposite internal angles of a line intersecting parallel lines and must be identical angles, therefore

m = 60°

7 0
2 years ago
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