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luda_lava [24]
4 years ago
9

PLEASE HELP ASAP IM TAKING A TEST!! Brainless and 30 points!!

Mathematics
2 answers:
KATRIN_1 [288]4 years ago
8 0

Answer:

i think your answer is B. y = the square root of 2x+6+1

Step-by-step explanation:


weeeeeb [17]4 years ago
4 0
The true answer is a
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SIMPLIFY THE EXPRESSION: -5(7 − 2m)=
Kipish [7]

Answer:

-35 + 10m

Step-by-step explanation:

Step 1. Distribute the -5(Do -5 times 7 and -5 times -2m)

-35 + 10 m

That is it.

7 0
3 years ago
Sandra saves 14% of her salary for retirement. This year her salary was $2,000 more than in the previous year, and she saved $7,
Brums [2.3K]

Answer: Sandra's salary in the previous year was $48,000

Step-by-step explanation:

Hi, the expression given is missing the $2000 more that she earns this year.

0.14 (x +2000) =7000

Where:

  • <em>x is Sandra's salary in the previous year. </em>
  • <em>0.14 is the decimal form of 14% (14/100=0.14) </em>

Solving for x :

0.14(x) +0.14 (2000) =7000

0.14x +280 =7000

0.14 x = 7000-280

0.14x = 6720

x = 6720/0.14

x=48,000

Sandra's salary in the previous year was $48,000

Feel free to ask for more if needed or if you did not understand something.

8 0
4 years ago
Plzzzzzz helpppppppppp
SSSSS [86.1K]
The perimeter would be 16 units
5 0
3 years ago
The square of a number is 16. Do you know the number?
Naily [24]

Answer:

4

Step-by-step explanation:

4^2 is 4x4 aka squared

4 0
3 years ago
A fireman's water hose shoots 320 kg of water each second against the door of a building. The velocity of the water is 20 m/s an
NeX [460]

Answer:

6400\ \text{N}

Step-by-step explanation:

\dfrac{m}{t} = Mass flow rate of water = 320 kg/s

m = Mass of water on the door

t = Time

v = Velocity of water on the door = 20 m/s

Force is given by

F=\dfrac{m}{t}v\\\Rightarrow F=320\times 20\\\Rightarrow F=6400\ \text{N}

The average force is exerted by the stream of water is 6400\ \text{N}.

3 0
3 years ago
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