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grigory [225]
3 years ago
15

Pls help will mark as brainliest

Mathematics
2 answers:
dezoksy [38]3 years ago
6 0

Answer:

A

Step-by-step explanation:

garik1379 [7]3 years ago
3 0

Answer:

6x + 12x + 90 = 180

Step-by-step explanation:

Well 6x plus 12x must equal 90 degrees. 6x plus 12x plus 90 has to equal 180.

Therefore, 6x + 12x + 90 = 180

Because then, if you subtract 90 from both sides, you have that 6x + 12x = 90.

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Need help! Find the area of the shaded region in the figure. ​
guapka [62]

Answer:

2.4584

Step-by-step explanation:

it's the same question as the other one

5 0
3 years ago
Austin's eye-level height is 120 ft above sea level, and Anna's eye level height is 270 ft above sea level. How much further can
9966 [12]

Answer:

C

Step-by-step explanation:

Austin =  \sqrt{ \frac{3h}{2} }  \\  \\ Austin =  \sqrt{ \frac{3(120)}{2} }  \\  \\ Austin =  \sqrt{3(60)}  \\  \\ Austin =  \sqrt{180}  \\  \\ Austin = 6 \sqrt{5}

Ana =  \sqrt{ \frac{3h}{2} }  \\  \\ Ana =  \sqrt{ \frac{ 3(270)}{2} }  \\  \\ Ana =  \sqrt{ 3(135) }  \\  \\ Ana =  \sqrt{405}  \\ Ana = 9 \sqrt{5}

How much further can Anna see to the horizon?

Ana - Austin = 9 \sqrt{5}  - 6 \sqrt{5}  \\ Ana - Austin = 3 \sqrt{5}

6 0
3 years ago
Use the recursive formula f(n) = 0.4 ⋅ f(n − 1) + 12 to determine the 2nd term if f(1) = 4. f(2) = 12.6 f(2) = 13.2 f(2) = 13.6
Aloiza [94]

Answer:

13.6 f(2)

Step-by-step explanation:

3 0
3 years ago
What is |–12|?<br><br><br> _____
love history [14]
The absolute value of -12 is positive 12 because absolute bars turn all negatives into a positive
6 0
3 years ago
Read 2 more answers
Part of a large metal sculpture will be a triangle formed by welding three bars together. The artist has four bars that measure
lara31 [8.8K]

Answer:

The 12 feet bar cannot be used with 5 feet and 3 feet bar to form a triangle.

Step-by-step explanation:

According to the Triangle Inequality theorem the sum of any two sides must be greater than or equal to the third side of the triangle.

In this case if we chose the 3 bars to be 12 feet,5 feet and 3 feet, the sum of 3 and 5 would be 8 feet which is less than the third side i.e. 12 feet which does not obey the triangle inequality theorem, hence a triangle cannot be built with these side lengths.

Therefore, the 12 feet bar cannot be used with 5 feet and 3 feet bar to form a triangle.

6 0
3 years ago
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