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lesya [120]
2 years ago
9

TEN POINTS

Mathematics
1 answer:
nordsb [41]2 years ago
6 0

Answer:

hi I need actually a lot of help with Matt since I'm not the best?

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If a triangle is a right triangle, then the triangle has 90 angle.
Sloan [31]

Answer:

True

Step-by-step explanation:

7 0
3 years ago
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Please help me ASAP!!! I think it's B but I don't know for sure
Katarina [22]

Answer: it's B

Step-by-step explanation:

you just have to use the AG and work backwards to find AD

7 0
3 years ago
Simplify the expression. A) 8^4•8^9
OlgaM077 [116]

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{8}^{13}

Step-by-step explanation:

{8}^{4}  \times  {8}^{9}  \\  {8}^{4 + 9}  \\  {8}^{13}  \\  = 5.497558139 \times 10 ^{11}

Hope this helps you.

Let me know if you have any other questions :-)

7 0
3 years ago
Julie is constructing a scale model of her room.The rectangular room is 10 1/4 inches by 8 inches.If 1 inch represents 2 feet of
zlopas [31]
The way to determine this is to know that 1 foot is 12 inches (so 2 is 24) 
Now the ration that would determine the scale factor of the room is 1:24 (1 inch for every 24 inches)
So the scale factor is 1:24
Now to determine the area we multiply the numbers we have by 2 and change the inches to feet (I hope that makes sense to you, it does to me, I'll show you)
10.25 * 2 = 20.5 ft.
8 * 2 = 16 ft.
now we know the dimensions of the room so we need to find the area.
A=B*H
20.5 * 16 = 328
so the area of the room is 328 ft.²
6 0
3 years ago
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Show that point (pi/3,1/2) is on the curve of y=cosx
jarptica [38.1K]
Here y=1/2 x=pi/3=60°

y=cosx
1/2=cos60° and cos60°=1/2
so LHS=RHS

so that point is on curve y=cosx
6 0
3 years ago
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