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kipiarov [429]
3 years ago
11

Jamal went to the post office to buy stamps and large envelopes. Each stamp costs the same amount, and each large envelope costs

the same amount. The first customer paid $13.25 for 14 stamps and 5 large envelopes.The second customer paid $23.75 for 10 stamps and 15 large envelopes. What was the cost in dollars of each large envelope?
Mathematics
1 answer:
nekit [7.7K]3 years ago
6 0

Answer:

Step-by-step explanation:

i chose .95 cents!

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jolli1 [7]

Answer:

y = 5cos(πx/4) +11

Step-by-step explanation:

The radius is 5 ft, so that will be the multiplier of the trig function.

The car starts at the top of the wheel, so the appropriate trig function is cosine, which is 1 (its maximum value) when its argument is zero.

The period is 8 seconds, so the argument of the cosine function will be 2π(x/8) = πx/4. This changes by 2π when x changes by 8.

The centerline of the wheel is the sum of the minimum and the radius, so is 6+5 = 11 ft. This is the offset of the scaled cosine function.

Putting that all together, you get

... y = 5cos(π/4x) + 11

_____

The answer selections don't seem to consistently identify the argument of the trig function properly. We assume that π/4(x) means (πx/4), where this product is the argument of the trig function.

4 0
3 years ago
Read 2 more answers
2 x 2√3 please! Thank you.
IceJOKER [234]
2 x 2 <span>√ 3  

You can multiple 2 by 2 because they both are outside numbers . But you can't multiple </span><span>√3 because it is inside the radical.

So.. the answer is 4</span><span>√3</span>
3 0
3 years ago
If my dog was born 4 weeks before August 27th how old will my dog be
Elenna [48]

Answer:

the dog was born on july 30th so the dog would be 3 months and a week old

Step-by-step explanation:

7 0
3 years ago
Need help! 20points!!! any and all<br> need answers fast!
jenyasd209 [6]
It’s really blurry.......
5 0
3 years ago
A scale model of a yacht is 9 inches long. The actual length of the yacht is 72 feet. How many times as long as
CaHeK987 [17]

Answer:8

Step-by-step explanation:

9 times 8 is 72

6 0
3 years ago
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