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nordsb [41]
2 years ago
14

HELPP 100 points

Mathematics
2 answers:
andreyandreev [35.5K]2 years ago
6 0

Answer:

The answer is B -4

Step-by-step explanation:

Deffense [45]2 years ago
5 0

Answer:

y=

Step-by-step explanation:

y = 3x - 1

y = 3(12) - 1

y = 36 - 1

y = 35

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Melissa is 29 meters below the surface. After swimming 12 minutes she rises upward 15 meters. What is her final depth?
pav-90 [236]

Answer:

The final depth of Melissa is 14 meters below the surface

Step-by-step explanation:

In this kind of problems, involving directions, etc, usually one position is the positive direction and the other position is the negative direction.

In our problem, we suppose that the surface is the positivo zero, above the surface is the positive position(positive depth) and below the surface is the negative directions(negative depth).

The problem states that Melissa is 29 meters below the surface. So, her initial position is 29 meters in the negative direction, so it is equal to -29.

Then, the problem states that Melissa rises upward 15 meters. Upward is the positive direction, so she moved to the positive direction. It means that we are going to do -29+15 = -14 meters.

It means that the final depth of Melissa is 14 meters below the surface

6 0
3 years ago
If $10,000 is invested in an account at 4.8% annual simple interest, how long will it take for the account balance
Lesechka [4]
10000+4.8%=10480
10480+4.8%=10983.04
10983.04+4.8%=11510.22592


so 3 years
7 0
3 years ago
Read 2 more answers
I need help on this​
luda_lava [24]

Answer:

C. 16

Step-by-step explanation:

First of all, these two angles are corresponding angles, which means that they equal each other. So, the equation here would be: 2x+18= 4x-14.

Step 1- Move the variables to one side.

2x+18= 4x-14

-2x       -2x

18= 2x-14

Step 2- Add 14 to both sides of the equation.

18= 2x-14

+14      +14

32= 2x

Step 3- Divide 2 to both sides of the equation to isolate the variable.

<u>32</u>=<u> 2x</u>

2     2

x= 16

7 0
3 years ago
Read 2 more answers
What is the exponential function for:<br><br> x = 0, 1, 2, 3<br><br> f(x) = 0.5, 1, 2, 4
Snowcat [4.5K]

i really dont know but i really need to points please

8 0
2 years ago
The current rates for an 80/20 mortgage are 4.25% for the first mortgage and
LUCKY_DIMON [66]

Answer:

5.35%

Step-by-step explanation:

8 0
3 years ago
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