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Ostrovityanka [42]
3 years ago
11

A school has a hurdle track that is of one fifth of a mile long. They are considering extending the track to be one fourth of a

mile long. The committee wants to know the unit rate of length in the longer track per mile of length in the shorter track to make sure they have enough hurdles for the longer track. What is the unit rate?
Mathematics
1 answer:
alina1380 [7]3 years ago
7 0

Answer:


Step-by-step explanation:

24


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point T"(-2,5) is a vertex of triangle T"O"P". The original image was rotated 90° counterclockwise around the origin and rhen tr
emmainna [20.7K]

ANSWER

T(-2,1)

EXPLANATION

Let T(a,b) be the coordinates.

When this point is rotated 90° counterclockwise about the origin,

Then,

T(a,b)\to \: T'( - b,a)

If this point is then translated using the rule;

(x,y)\to (x-1,y+7)

then,

T(a,b)\to \: T'( - b,a) \to T"( - b - 1,a + 7)

It was given that, T"(-2,5)

This implies that,

-b-1=-2

-b=-2+1

-b=-1

b=1

a+7=5

a=5-7

a=-2

Therefore the coordinates of T are:

(-2,1)

4 0
3 years ago
Read 2 more answers
Three times the number of red marbles in a bag is the same as 33 1/3 percent of the number of red marbles in the bag increased b
sattari [20]

Answer:

24 red marbles

Step-by-step explanation:

Ok, why not let  R = number of red marbles.

The first sentence says:

3 * R =  (33 and 1/3) % * R  + 64

or

3R = 100/3 %*R + 64

3R = (1/3)*R  + 64

9R = R + 192

8R  = 192

R = 24 red marbles

6 0
3 years ago
What is the slope of a line that goes through the points (1, -5) and (-3, 2)?
guajiro [1.7K]

Answer:

B

Step-by-step explanation:

y2-y1 / x2-x1

2+5/-3-1

-7/4

7 0
3 years ago
WILL MARK BRAINLIEST!
Maurinko [17]

Answer:

  A)  square; rectangle; rhombus

Step-by-step explanation:

Opposite sides are parallel and all sides are the same length. Angles at the corners are 90°, so the figure is a rhombus, rectangle, and square: choice A.

7 0
3 years ago
Why is 8.8 classified as a rational number?
Serggg [28]
<span>A rational number is a number that can be expressed as a fraction. 8.8 can be written 44/5 so it is a rational number.</span>
3 0
3 years ago
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