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WARRIOR [948]
3 years ago
9

SA scuba diver reached a depth of -14 feet (below

Mathematics
2 answers:
defon3 years ago
6 0

Answer:

+2

Step-by-step explanation:

i did it

shtirl [24]3 years ago
3 0

Answer:

+2 ft

Step-by-step explanation:

He descends -12 feet (negative descend is an ascend) so he ascends 12 feet

-14 + 12 = -2 so he needs to travel 2ft

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55?

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What is the sum of 3/4 + 5/16
guapka [62]
3/4 + 5/16
=12/16 +5/16
=17/16
=1 1/16
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At the toll booth, the chance that a driver has exact change is 1/4, independent of vehicle. Find the probability that no vehicl
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3 years ago
A train leaves at 14:56 and arrives at 16:43. It travelled at an average speed of 135 km/h. How far did it travel? Give your ans
Firlakuza [10]

Answer:

240.8

Step-by-step explanation:

→ Calculate time taken

16:43 - 14:56 = 1 hour and 47 minutes

→ Write the speed formula and make distance the subject

Speed = Distance ÷ Time ⇔ Distance = Speed × Time

→ Convert 1 hour and 47 minutes into decimal format

1.78333333 or  1\frac{47}{60}

→ Substitute values into formula

135 ×  1\frac{47}{60}  = 240.75

8 0
3 years ago
Solve the system with elimination 4x+3y=1 -3x-6y=3
Nuetrik [128]

Answer:

x = 1, y = -1

Step-by-step explanation:

If we have the two equations:

4x+3y=1 and -3x - 6y = 3, we can look at which variable will be easiest to eliminate.

y looks like it might be easy to get rid of, we just have to multiply 4x+3y=1  by 2 and y is gone (as -6y + 6y = 0).

So let's multiply the equation 4x+3y=1  by 2.

2(4x + 3y = 1)\\8x + 6y = 2

Now we can add these equations

8x + 6y = 2\\-3x-6y=3\\

------------------------

5x = 5

Dividing both sides by 5, we get x = 1.

Now we can substitute x into an equation to find y.

4(1) + 3y = 1\\4 + 3y = 1\\3y = -3\\y = -1

Hope this helped!

5 0
3 years ago
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