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Galina-37 [17]
2 years ago
11

A quantity with an initial value of 510 decays exponentially at a rate of 0.05% every 7

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
7 0

Answer: its c trust me

Step-by-step explanation:

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On a trip to a lake, Kerrie and Shelly rode their bicycles four more than three times as many miles in the afternoon as in the m
Natalija [7]

Answer:

27 miles in the morning and 85 miles in the afternoon.

Explanation:

Let m be the number of miles they rode in the morning.  They rode 4 more than 3 times this many in the afternoon; this gives us the expression

3m+4

to represent the miles ridden in the afternoon.

Together they rode 112 miles; this means we add the morning miles, m, to the afternoon miles, 3m+4, and get 112:

m+3m+4 = 112

Combine like terms:

4m+4 = 112

Subtract 4 from each side:

4m+4-4= 112-4

4m = 108

Divide both sides by 4:

4m/4 = 108/4

m = 27

They rode 27 miles in the morning.

That means in the afternoon, they rode

3m+4 = 3(27)+4 = 81+4 = 85 miles.

5 0
3 years ago
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Simplify this algebraic expression completely.<br> 5y- 3(y + 2)
blagie [28]

Distributive property: 5y-3y-6

Combine like terms: 2y-6

So there's your answer

8 0
3 years ago
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Evidence of a chemical reaction includes anything that shows -
puteri [66]

Answer:

a change in the state of matter

Step-by-step explanation:

6 0
3 years ago
Which proportion can be used to find 65% of 90?
ra1l [238]
X 65%
———— = ———-
90 100

1) multiply across
90 • 65 = 5,850

2) divide what’s left over.
5,850 / 100 = 58.5
3 0
3 years ago
What the answer someone help me!!!
True [87]

Step-by-step explanation:

the answer to your question is

16/9

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