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motikmotik
3 years ago
11

Mr friedmans baby daughter is 5/9 yard long.mr friedman's height is 4 times this much how tall is mr friedman

Mathematics
1 answer:
dem82 [27]3 years ago
4 0
2.22222222222... yards
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A girl ran to the store at a speed of 6mph, and walked back at 4mp. If her round trip took 15 minutes, how far away is the store
MariettaO [177]

Answer:

0.6 miles

Step-by-step explanation:

Let's say the store is x miles away, she walks to the store in a hours, and she walks back in b hours.

First, her total time = time walked there + time walked back = a + b = 15 minutes = 1/4 of an hour = 0.25 hours

a + b = 0.25 (because a and b are in hours)

distance = speed * time

x = 6 miles/hour * a hours = 6a miles

x = 4 miles/hour * b hours = 4b miles

If we can find a or b, we can find x.

4b = x = 6a

4b = 6a

a + b = 0.25

We now have two equations with two variables. Using substitution, we can solve for one of them

a + b = 0.25

subtract a from both sides to find b

0.25 - a = b

plug that into the other equation, 4b = 6a

4(0.25-a) = 6a

1 - 4a = 6a

add 4a to both sides to isolate a and its coefficient

1 = 10a

divide both sides by 10 to solve for s

a = 1/10 of an hour = 0.1 of an hour = 60 minutes / 10 = 6 minutes

6a = x

6(0.1) = x

0.6 = x

the store is 0.6 miles away

6 0
2 years ago
How do i graph negative square roots on a number line​
DerKrebs [107]

Answer:

see below

Step-by-step explanation:

On the real number line you can't

to graph them you have to make a Cartesian plane

with x= the real numbers

and y= the imaginary numbers

8 0
3 years ago
Polygons ABDC and A′B′D′C′ are shown on the following coordinate grid:
weeeeeb [17]

Answer: A

Step-by-step explanation:

Let's first review how turning about the origin changes a point's coordinates:

After rotating and translating some points, one can see the following pattern:

  • 180° Rotation: (x,y) -> (-x,-y)
  • 90° Clockwise Rotation: (x,y) -> (y, -x)
  • 90° Counter-clockwise Rotation: (x,y) -> (-y, x)
  • Translation <em>a</em> units to the left: (x, y) -> (x-a, y)

Using these patterns will make it much easier to find the correct series of transformations than graphing each one.

A: A 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

Using the patterns found above, this set of transformations would make (x,y) move first to (-y, x), then (-y-1, x).

  • A(2,-2) -> A'(1,2)
  • B(4,-2) -> B'(1,4)
  • D(5,-3) -> D'(2,5)
  • C(1,-3) -> C'(2,1)

B: A translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin

This would make (x,y) move first to (x-1,y), then to (-y, x-1)

  • A(2,-2) -> A'(2, 1)
  • B(4,-2) -> B'(2,3)
  • D(5,-3) -> D'(3,4)
  • C(1,-3) -> C'(3,0)

C: A 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

This would make (x,y) move first to (y, -x), then (y-1, -x)

  • A(2,-2) -> A'(-3, -2)
  • B(4,-2) -> B'(-3,-4)
  • D(5,-3) -> D'(-4, -5)
  • C(1,-3) -> C'(-4, -1)

D: A translation 1 unit to the left followed by a 270-degree counterclockwise rotation about the origin

This would make (x,y) move first to (x-1,y), then (y, -x+1)

  • A(2,-2) -> A'(-2, -1)
  • B(4,-2) -> B'(-2, -3)
  • D(5,-3) -> D'(-3, -4)
  • C(1,-3) -> C'(-3, 0)

Therefore, the answer is A, as only it correctly matches to polygon A'B'D'C'.

5 0
2 years ago
Please help asap!!!!!!!!!!!!!!!!!!!!!!!!!!
sesenic [268]

Answer:

1. x = 2

2. b = 16, a = 32

3. d = 15, c = 90

4. s = 12, t = 71

5. The height of the flagpole is 10

6. The shadow of the tree is 18 feet long

3 0
3 years ago
Read 2 more answers
A second recipe calls for 2/3 cup of sugar for every 1/2 teaspoons of vanilla. What is the unit rate of cups per teaspoon?
jonny [76]

Answer: The answer is 4/3 the original answer is 1 and 1/3 but if you simplify it you get 4/3

-hopes this helps<3

Step-by-step explanation:

4 0
3 years ago
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