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Naya [18.7K]
4 years ago
11

a submarine ascended 3/8 mile and the descended .4 of a mile followed by another 2/5 mile descent, finally it rose .75 of a mile

. What was the next change for the submarine’s depth?
Mathematics
1 answer:
shusha [124]4 years ago
5 0

Do you still need the answer? lol.

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F(x)= 6+ (10/x) what are the inflection points?
mojhsa [17]

Answer:

An inflection point is a point on the graph of a function at which the concavity changes. Points of inflection can occur where the second derivative is zero.    

Step-by-step explanation:

7 0
3 years ago
Henry is buying a boat and is taking out a loan in the amount of $10,000. His choices for the loan are a 5-year loan at 5.00% an
algol [13]

Answer:

B

Step-by-step explanation:

Formula is

Interest=loan ×interest rate×time

Solve for the first choice

I=10,000×0.05×5=2500

Solve for the second choice

I=10,000×0.06×7=4200

The difference in the amount of interest

4,200−2,500=1700

6 0
3 years ago
Please help!
Vilka [71]

Answer:

The number of comic books did they have in all   = 56

Step-by-step explanation:

The ratio of comics with Susan : Abe = 3 : 5

Let us assume the common factor on this ratio = m

So, the number of comics Susan has  = 3 m

The number of comics Abe has  = 5 m

Also, given:  Abe had 14 more comic books than Susan

So, the number of comics Abe had  = 14 + 3 m

⇒  5 m  =  3 m + 14

or,   2 m = 14, or m = 7

So, the number of books Susan has = 3 m = 3 x 7 = 21 books

The number of books Abe has  = 5 m = 5 x 7 = 35

So, the book they have in all = 21 +  35 = 56

5 0
3 years ago
Building A is 255 meters taller than building B. If the height of building A is subtracted from twice the height of building B,
garri49 [273]

Answer:

A = 744 meters    B = 489 meters

Step-by-step explanation:

A = B + 255

2B - A = 234

-2B          -2B         Subract the -2B from both sides

-A = -2B + 234

A = 2B - 234          Divide by -1 to get A alone

B + 255 =  2B - 234   Set both equations equal to each other

- B              -B

255 = B - 234

+234      +234

489 = B

Plug 234 in for B in the original equations

A = 489 + 255

A = 744

8 0
3 years ago
Solve the inequality -x^2-4x+5>0
son4ous [18]
<span><span><span><span>−<span>x2</span></span>−<span>4x</span></span>+5</span>>0</span>
Let's find the critical points of the inequality.<span><span><span><span>
−<span>x2</span></span>−<span>4x</span></span>+5</span>=0</span><span><span><span>
(<span><span>−x</span>+1</span>)</span><span>(<span>x+5</span>)</span></span>=0</span>(Factor left side of equation)<span><span><span><span>
−x</span>+1</span>=<span><span><span>0<span> or </span></span>x</span>+5</span></span>=0</span>(Set factors equal to 0)<span><span>
x=<span><span>1<span> or </span></span>x</span></span>=<span>−5</span></span>
Check intervals in between critical points. (Test values in the intervals to see if they work.)<span>
x<<span>−5</span></span>(Doesn't work in original inequality)<span><span><span>
−5</span><x</span><1</span>(Works in original inequality)<span>
x>1</span>(Doesn't work in original inequality)
Answer: −5<x<1
5 0
3 years ago
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