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Artemon [7]
4 years ago
14

Limestone is dissolved by chemical weathering at a rate of 0.2 cm every 100 years. At this rate, after how many years souldva la

yer of limestone 15m thick completely dissolve
Mathematics
1 answer:
Zinaida [17]4 years ago
4 0
At this rate, it should take 7,500 years to dissolve 15m thiccccc
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7 0
3 years ago
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Department stores customer parking lot has four rows with an equal number of parking spots in each row. The loud also has 15 par
Katen [24]

Answer:

4c + 15

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION BELOW;

A department store's customer parking lot has 4 rows with an equal number of parking spots in each row. The lot also has 15 parking spots for store employees. If c cars can be parked in each of the 4 main rows of the parking lot, what is the expression for the maximum number of cars that can be parked in the parking lot?

15c − 4

c(15 − 4)

4c + 15

4(c + 15)

✓We were told that the customer stores parking has Total number of 4 rows,

✓ for " c" cars to be parked in the 4 main rows i.e in each of them, we can calculate the overall numbers of car parked in the rolls as ( 4 × c)= 4c

✓ we were told that there are 15 parking spots available to employees in the store

✓ maximum number of cars that can fit into the parking lot will be ( 15 + 4c)

= 4c + 15

3 0
3 years ago
Find a statement that is equivalent to the absolute value equation |9x−9|=7.
Olegator [25]

Answer:9x-9=7 or 9x-9=-7

Step-by-step explanation:

An absolute value is the distance from zero, therefore the answer can not be negative. In this case, 9x-9=7 and 9x-9=-7 both work, because 7 and -7 are the same distance from zero.

8 0
3 years ago
The speed of the current in a river is 6mph. A ferry operator who works that part of the river is looking to buy a new boat for
Nezavi [6.7K]
Hello,
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3 years ago
AEFG - ALMN. Find the ratio of AEFG to ALMN.<br><br> A)1:4<br> B)1:2<br> C)2.1<br> D)4:1
vovikov84 [41]

Answer:

C)2 : 1

Step-by-step explanation:

AEFG ≈ ALMN

FG / MN = 4 / 2 = 2/1

So the ratio of AEFG to ALMN = 2 / 1 or 2 : 1

6 0
3 years ago
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