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SIZIF [17.4K]
3 years ago
11

A submarine is diving to a total depth of 45 feet. It descends 15% of the total depth in 1 minute. How deep will the submarine b

e after 4 minutes? (5 points)
−6.75 feet −27 feet −13.5 feet −20.25 feet
Mathematics
1 answer:
telo118 [61]3 years ago
8 0
after 4 mins the sub reaches 27 feet
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The graph shows a proportional relationship.
koban [17]
The unit rate is 4.5
8 0
4 years ago
Please help ASAP give you 20 points and brainiest
GuDViN [60]

Answer:

Total charge= -25

Step-by-step explanation:

Given :

Charges of some ions

Aluminium    +3

Phosphate     -3

Chloride         -1

Silver               +1

To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms

Aluminium    +3 × 2 =+6

Phosphate     -3 × 8 = -24

Chloride         -1 × 7 = -7

total charge=

+6-24-7 =+6 -31

= -25

6 0
4 years ago
Someone answer please I would be very grateful ​
Reil [10]

Answer:

Part A : 9.555 . 10^38

Part B : 7.4 . 10^-3

Step-by-step explanation:

<h3>Part A</h3>

3.9 \: . \:  {10}^{33} . \: 2.45 \: . \:  {10}^{5}  \\ 3.9 \: . \: 2.45 \: . \:  {10}^{33 + 5}  \\ 9.555 \: . \:  {10}^{38}  \\

<h3>Part B</h3>

7.4 \: . \:  {10}^{ - 3}mm  \\ 7.4 \: . \:  \frac{1}{ {10}^{3} }  \\ 0.0074mm

7.4 \: . \:  {10}^{3}mm  \\ 7.4 \: . \: 1000 \\ 7400mm

A blood cell is too small. So the more reasonable measurement is 0.0074mm.

7 0
3 years ago
Explain how you can use the inverse relationship of addition and subtraction to solve the equation n+7=25.
juin [17]

answer:

25-7=n. n = 18

Step-by-step explanation:

...

3 0
3 years ago
Consider the equation below. log Subscript 4 Baseline (x + 3) = log Subscript 2 Baseline (2 + x) Which system of equations can r
Lesechka [4]

Answer:the second one

Step-by-step explanation:

y1= log 3 etc so it the second one

5 0
3 years ago
Read 2 more answers
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