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Elena-2011 [213]
3 years ago
14

Can someone please help me with this thank u

Mathematics
1 answer:
MrRa [10]3 years ago
5 0

Answer:option 3

Step-by-step explanation:

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3x^2 + 6 - 2x + 5x - 4x^2 + 9
Over [174]
3x * 3x = 9x

9x + 6 - 2x + 5x - 4x^2 + 9

9x + 6 - 7x - 4x * 4x + 9

9x + 6 - 7x - 16x + 9

9x + -7x = 2x + 6 - 16x + 9

2x + 6 - 16x + 9

2x + (-3) - 16x

-14x + (-3) is the expression?
4 0
3 years ago
Jia is tiling a floor. The floor is a square with side
NNADVOKAT [17]

Answer:

36 tiles

Step-by-step explanation:

First, find area of the square floor knowing the formula as;

Area= s^{2}

where s= side of a square.

If one side of the floor is 12 feet, then Area= 12^{2} = 144ft^{2}

Next, find the area of each tile using the same formula and given s=2 feet;

Area(tile) = 2^{2} = 4ft^{2}

To find the number of tiles needed to cover entire floor, divide area of the floor by area of one tile; 144 / 4 = 36 tiles

5 0
3 years ago
On the scale drawing of Cold Lake Camp, the mess hall is 5 cm from the lodge. The scale for the map is 2 cm = 100 m.
romanna [79]

Answer:

The answer is 250 meters from the lodge

6 0
2 years ago
Hey, sisters help me out so i can get this finished by Friday. Answer all please not just one not just two not just three, if yo
Kobotan [32]

Answer:

Step-by-step explanation:

First question 1 = 0.3 = 0.7

Second question 60/5=12 so 12 hours

Third question first find lcm so 6

2 3/6      and  7 2/6

2.5 + 2.5 = 5 so 2 cakes

Fourth question

729/14 um calculator but ok 729/14=52.07 so 52.1

You said you'd report me if i only did 3,2,or 11 but i did 4 so i think im fine

5 0
3 years ago
PLEASE HELP AND I NEED STEP BY STEP EXPLNATION
natulia [17]
The answer would be 12 feet square.

That’s because taking out the square is taking out an area of 4 feet square. If you substitute the 4 feet square back in, that would fill in the empty spot marked with the 2 feet by 2 feet dimensions. Then, you could treat it like a rectangle of 4 by 3. If you multiply them you’ll get 12 feet square which is your answer. Hope this helps
3 0
2 years ago
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