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olga nikolaevna [1]
3 years ago
6

Plz help meeeeeeeee You must make a constructive response and this is 8th Grade Math

Mathematics
2 answers:
natulia [17]3 years ago
8 0

Answer:

5 \sqrt{18}  -  \sqrt{32}  \\  = 5 \sqrt{9 \times 2}  -  \sqrt{4 \times 4 \times 2} \\  = 5 \times 3 \times  \sqrt{2}   - 2 \times 2 \times  \sqrt{2}  \\  = 15 \sqrt{2}  - 4 \sqrt{2}  \\  =  \boxed{11 \sqrt{2} }

<h3>11√2 is the right answer.</h3>
Natali [406]3 years ago
7 0

Answer:

I'm in 10th grade so I'll see what I can do and will answer to the best of my ability.

Step-by-step explanation:

What Julie did wrong was, she did simplify she just did it wrong. She used 4*8 which does equal 32 but 8 can't be simplified anymore than that. If she would of used 2*16 then her answer would be right.

Hope this helps!

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The first inverse operation you would use to solve the equation 2+5x= -8 for x is subtraction. true or false?
jok3333 [9.3K]

Answer:

It would be True

Step-by-step explanation:

2+5x = -8

SUBTACT 2 on both sides and it would look like this:

5x = -8 - (2)

5X= -10

then DIVIDE 5 both side to get "X" ALONE,

x= -10/5

then divide -10 with 5

equal to:

x = -2

4 0
3 years ago
I WILL GIVE BRAINLIEST!!!
Katyanochek1 [597]

Answer:

g(x) = (f-x)

Step-by-step explanation:

It's relection across the y axis

==> g(x) = (f-x)

6 0
3 years ago
An electrician sent Bonnie an invoice in the amount of 'a' dollars for 6 hours of work that was done on Saturday. The electricia
Mazyrski [523]

Answer:

(a-f)/6 = r

Step-by-step explanation:

The total Bonnie must pay is the weekend fee plus the hourly rate times the hours worked

Cost = weekend fee * hourly rate* hours

hours = 6

weekend fee =f

hourly rate = r

Cost = a dollars

Substituting in what we know

a = f+ 6r

We want to solve for r

Subtract f from each side

a-f =f-f +6r

a-f = 6r

Divide each side by 6

(a-f)/6 = 6r/6

(a-f)/6 = r

4 0
3 years ago
Will give brainliest to whoever answers!!!
jarptica [38.1K]

(A)

Step-by-step explanation:

All other choices will result in a negative number inside the radical sign.

4 0
3 years ago
What is the volume of a sphere when the radius is 12?
padilas [110]

Answer: Okay the answer its 2304 pi

and decimal from its 7238.22947387

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since it keeps going on. Or you could round it to the hundredth's place and get 723.8

8 0
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Read 2 more answers
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