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Kazeer [188]
3 years ago
14

I need help with answer number 3. Help me please

Mathematics
1 answer:
posledela3 years ago
4 0
Do (6x12)/2, that should work
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Please show all work if you can, thank you and have a wonderful day
TEA [102]

1) 180°. All the interior angles in a triangle ALWAYS add to 180°.

2) x = 60°. As stated in 1), all angles in a traingle add to 180° so knowing this, x = 180 - 70 - 50 = 60°.

3) <A = 90, <B = 60, <C = 30. Knowing that all angles in a traingle add to 180, we can make an equation. 6x + 4x + 2x = 180 or 12x = 180. This means x is 15°. Now we just need to multiply it. 6x = 90, 4x = 60 and 2x = 30.

8 0
3 years ago
Samantha’s hockey team is fundraising for a trip to Europe! They are aerating lawns to raise money. Aerating lawns is a great se
zmey [24]

Answer:

R = 35l-215

Step-by-step explanation:

total amount they earn = 35l

however, to account for the money used to rent the machines, we have to deduct 215 from the total cost.

hence,

<u>R= 35l-215</u>

total amount they raised = 35(26)-215 = <u>$695</u>

they would lose <u>$215</u> if they were unable to aerate due to weather conditions

they could avoid this potential loss by <u>checking the weather report before renting the machines</u>

5 0
3 years ago
Use this triangle.
miv72 [106K]
The sides are in the ratio 1 : 1 : sqrt2    where sqrt 2 = hypotenuse

so if the length of one of the legs is 2 cm the hypotenuse will be of length 2 *sqrt 2 cms.

b )  sin 45  = 1 / sqrt2  = sqrt2 / 2

c)  if the 2 legs of triangle are both 2 cms area  will be 1/2* 2* 2


5 0
3 years ago
Find the volume of a cone with radius 18 and height 6
Artemon [7]

Answer:

2035.75

Step-by-step explanation:

Vole of a cone is: V=πr^2h/3

18 squared is 324

V= π(324)(6/3)

That's

V= π(324)(2)

2035.75203953

8 0
3 years ago
WILL GIVE BRAINLIEST
sergij07 [2.7K]

Answer:

<em>Volume of Triangular Prism: 180 m^3</em>

Step-by-step explanation:

<em>~ In order to find the cubic feet required to fill this object, we would apply a volume formula to the triangular prism, in other words: Base * height ~</em>

1. The following dimensions of the triangular Base is 5 meters by 6 meters, 5 being the height of this Base and 6 being the base of the Base. Now let us apply the area of a triangle formula: 1/2 * base * height ⇒ 1/2 * 6 meters* 5 meters ⇒ 15 <em>m^2</em>

2. Knowing the Base of the triangular prism, we can find the volume through multiplication of it's general height, which is 12 meters ⇒ 15 m^2 * 12 m. ⇒ <em>Volume of Triangular Prism: 180 m^3</em>

7 0
3 years ago
Read 2 more answers
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