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lesantik [10]
3 years ago
7

Sandra walks 13 miles in 3 hours. At what unit rate does Sandra walk?

Mathematics
1 answer:
8_murik_8 [283]3 years ago
8 0
I think it’s about 4.3 mph
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2. Olivia is buying juice boxes for a party. She is comparing two brands to determine the best price. The price for a carton con
ololo11 [35]
1 carton : 8 boxes for 2.80 = 2.80/8 = 0.35 per box (All natural juice)
1 carton : 6 boxes for 1.98 = 1.98/6 = 0.33 per box (Just juice)

difference between the 2 is 0.02 (2 cents)

if she paid 7.92 for x cartons of Just Juice, 7.92 / 0.33 = 24 boxes...and there are 6 boxes per carton.....24/6 = 4 cartons were bought for $ 7.92

price for same number of juice boxes of All Natural juice is : 
24 * 0.35 = $ 8.40
3 0
4 years ago
Which transformation causes the described change in the graph of the function y = cos x? The transformation results in a horizon
Gala2k [10]
First lets look at our graph of y = cos x
***First picture***

Next lets look at a <span>vertical stretch.
***Second picture***

To vertically stretch y = cos x, we need to multiply cos by a number greater than 1. I am going to use 2.

Standard Form: y = cos x (Red Line)
Vertical Stretch: y = 2 cos x (Blue Line)

Lets look at a vertical shrink
***Third picture***

To create a vertical shrink, you multiply the cos by a number less than 1. I am going to use .5

</span>Standard Form: y = cos x (Red Line)
Vertical Shrink: y = .5 cos x (Green Line)

Now lets look at horizontal stretch.
***Forth picture.***

To create a horizontal stretch, you multiply the x by a value less than 1. I am going to use .5

Standard Form: y = cos x (Red Line)
Vertical Stretch: y = .5 cos x (Orange Line)

Finally, to create a horizontal shrink, you multiply the x by a value greater than 1. I am going to use 2.
***Fifth picture.***

Standard Form: y = cos x (Red Line)
Vertical Shrink: y = 2 cos x (Purple Line)

7 0
4 years ago
Find the lenght of r. PLZ HELP​
bija089 [108]

Answer:

6

Step-by-step explanation:

ydufxsgvsghgvuxcydycdh

4 0
3 years ago
A professor has learned that three students in his class of 20 will cheat on the final exam. He decides to focus his attention o
miss Akunina [59]

Answer:

6%

Step-by-step explanation:

3/20=4/x

It is a indirect proportion so we reciprocal,

Then,

3/20=x/40

3×40=20×x

120=20x

x=120/20

x=6

4 0
3 years ago
The following formula relates three quantities: Force (F), mass (m), and acceleration (a) F ma (a) Solve this equation for a (b)
Vladimir79 [104]
A) 25 N / 10 KG = A, A=2.5 M/S^2

b) 25 N / 5 M/S^2 = M, M = 5 KG
8 0
3 years ago
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