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pantera1 [17]
2 years ago
14

PLEASE HELP (IM GIVING 100 POINTS)

Mathematics
1 answer:
Natasha2012 [34]2 years ago
6 0

Answer:

A

Step-by-step explanation:

area of triangle = 1/2*base*height

small triangle = 1/2*4*3 = 6

Big triangle = 1/2*8*6= 24

24/6=4

the big triangle is 4 times the size of the big triangle. so the small triangle would be 1/4 the size. hence D1/4(xyz) answer is A

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Cuánto es 324 por 171
Nat2105 [25]

Answer:

la respuesta es 55,404

I hope this helped

5 0
2 years ago
I need help plz!
Irina18 [472]

Answer:

circumference=\piD

19.5=3.14*D

<u>19.5</u> =6

3.14

D=6

Radius=3

area=\pir²

3.14*3*3=28.26

area=28 inches

Step-by-step explanation:

8 0
2 years ago
A car is on a driveway that is inclined 10 degrees to the horizontal. A force of 490 lb is required to keep the car from rolling
lara31 [8.8K]

Answer:

a) weight  of the car = 2816,1 lbs

b) 2773 lbs

Step-by-step explanation:

The equilibrium force is 490 lbs. That force keep the car at rest, then

∑ Fy  =  0     and  ∑Fx  =  0

Forces acting on the car:

The external force   490 lbs

weight of the car   uknown

Normal force

sin∠10°  =  0,174

cos∠10° = 0.985

∑Fx  =  0         mg*sin10°- 490 = 0      ∑Fy =  0      mg*cos10° - N  =  0

mg*0,174= 490

mg  =  490 / 0,174

mg = 2816,1 lbs

weight  of the car = 2816,1 lbs

The Normal force

mg*cos10° - N  =  0        2816,1 * 0,985 = N

N = 2773 lbs

Then equal force in magnitude and in opposite direction will car exets on the driveway

3 0
3 years ago
John walks m miles each week. Marie’s distance can be found by using the expression : 3m + ½
KiRa [710]

Answer:

21.5 Miles or 21 ½ Miles

Step-by-step explanation:

Plug in 7 as m to 3m + ½.

Then, I get 3(7) + ½.

That concludes to 21 + ½

Add the ".5" or "½" at the end

So, answer is you get is 21.5 of 21 ½

7 0
2 years ago
What kind of angle pair do they create?
Bond [772]

Answer:

They create supplementary angle pairs.

Step-by-step explanation:

Supplementary angles add up to 180°.

8 0
3 years ago
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