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mylen [45]
3 years ago
15

Who is faster?

Mathematics
1 answer:
Kay [80]3 years ago
6 0
Kendra is going faster. You could convert Kendra's measurement to feet per second by doing to following:

0.25 mi/1 min x 5280 ft/1 mi x 1 min/60 sec

Which equals:

(0.25)(5280)ft/60 sec

Simplify, and Kendra's speed is 22 feet per second.

mi= mile(s)
min= minute(s)
ft= feet
sec= second(s)
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19. The value of x varies directly with y, and 2 when x = z; y = 6. Find the value of y when x = 107 A. y = 9 B.y = 4 C. y = 93
Svet_ta [14]

Given data:

The first value of x is x=2/3.

The first value of y is y=6.

The expression y is directlly proportional to x is,

y=kx

Substitute 2/3 for x and 6 for y in the above expression.

\begin{gathered} 6=\frac{2}{3}k \\ k=9 \end{gathered}

The expression becomes y=9x

Substitute 10 1/3 for x in the above expression.

\begin{gathered} y=9(10\frac{1}{3}) \\ =9(\frac{31}{3}) \\ =93 \end{gathered}

Thus, the value of y is 93.

3 0
1 year ago
I need help with this right now before it’s due <br> Grapes
den301095 [7]

Answer:

21, 6, 12

Step-by-step explanation:

your welcome:)

3 0
3 years ago
Read 2 more answers
What is two hundred seven,thousands,fourth -eight is in standerd form?
xz_007 [3.2K]
2748?? Your question is a little unclear

Happy studying ^_^


3 0
3 years ago
7. MGSE7.6.1: Two stage floors are in the shape of isosceles trapezoids. The small stage floor
algol13

Answer:

show stage and back stage

Step-by-step explanation:

7 0
3 years ago
If M is the set of all square of integers that are less than 100 and N is the set of all positive even numbers that are under 30
irina [24]

Answer:

a) M = {0 , 1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81}

   N = {2 , 4, 6 , 8 , 10 , 12 , 14 , 16 , 18 , 20 , 22 , 24 , 26 , 28}

b) M ∩ N = {4 , 16 }

M ∪ N = {0 , 1 , 2 , 4 , 6 , 8 , 9 , 10 , 12 , 14 , 16 , 18 , 20 , 22 , 24 , 25 , 26 , 28 ,

               36 , 49 , 64 , 81}

a) X = {e , i , g , h , t , y}

   W = {e , n , s , t , v , y}

b) X ∪ W = {e , i , g , h , n , s , t , v , y}

X ∩ W = {e , t , y}

Step-by-step explanation:

* Lets explain how to solve the problem

- We can find a square number by multiply the number by itself

a)

- M is the set of all square integers that are less than 100

∵ The integers from -9 to 9 has square less than 100

∴ M = {0 , 1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81}

- N is the set of all positive even numbers that are under 30

∵ Even number any number divisible by 2

∵ They are positive numbers

∴ They start with 2 because zero is not a positive or negative

∴ N = {2 , 4, 6 , 8 , 10 , 12 , 14 , 16 , 18 , 20 , 22 , 24 , 26 , 28}

b)

- M ∩ N means the common numbers between set M and set N

∵ The common elements of M ∩ N are square and even less

   than 30

∴ M ∩ N = {4 , 16 }

- M ∪ N means all the elements in M and N without reputation

∴ M ∪ N = {0 , 1 , 2 , 4 , 6 , 8 , 9 , 10 , 12 , 14 , 16 , 18 , 20 , 22 , 24 , 25 ,

  26 , 28 , 36 , 49 , 64 , 81}

a)

- X is the set of all letters of the word eighty

∵ The letters of word eighty are e i g h t y

∴ X = {e , i , g , h , t , y}

- W be the set of all letters of the word seventy

∵ The letters of word seventy are s e v e n t y

∵ We don't repeat any element in the set

∴ W = {e , n , s , t , v , y}

b)

- X ∪ W means all the elements in X and W without reputation

∴ X ∪ W = {e , i , g , h , n , s , t , v , y}

- X ∩ W means the common elements between set X and set W

∵ The common letters between X and W are e , t , y

∴ X ∩ W = {e , t , y}

3 0
3 years ago
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