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MArishka [77]
3 years ago
6

A bit hard. thank you if u can do it for me? <3

Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0

The triangle shown is a right triangle shown by the little square inside of it.

Area of a triangle is 1/2 x height x base

Rotating the shown triangle so the square is at a bottom corner the height is 6 and the base is 6

Area = 1/2 x 6 x 6 = 18 square cm

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18. A circle in the standard (x,y) coordinate plane is
Lana71 [14]

9514 1404 393

Answer:

  F

Step-by-step explanation:

If the circle is tangent to the x-axis at 4, the center lies on the line x=4.

If the circle is tangent to the y-axis at 4, the center lies on the line y=4.

If the center of the circle is (x, y) = (4, 4) and it is tangent to the axes, then the radius is 4.

The standard-form equation of the circle centered at (h, k) with radius r is ...

  (x -h)² +(y -k)² = r²

For the values (h, k) = (4, 4) and r = 4, the equation is ...

  (x -4)² +(y -4)² = 16 . . . . . . matches choice F

3 0
3 years ago
This is for 20 points 0.4 Divided by 29
Nutka1998 [239]

Answer:

72.500

Step-by-step explanation:

I'm not sure, but I'm 80% sure

5 0
3 years ago
What is the prime factorization of 231 in expanded form
BaLLatris [955]
231
/\
3X77
     /\
   11X7
3*7*11 is prime factorization of 231.
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6 0
3 years ago
How do I make a the subject?<br><br> S= a/4 + 8u
Crazy boy [7]
S= a/4 + 8u

S - 8u = a/4 (First you subtract 8u from both sides)

4(S - 8u) = a ( Then you multiply both sides by 4)

Final answer:
4(S - 8u) = a
8 0
3 years ago
Find the missing part.
sveta [45]

Answer:

The answer is a = \frac{15}{4}

Step-by-step explanation:

We have to:

cos(\theta) = \frac{adjacent\ side}{hypotenuse}

So, if we take the 60 degree angle of the smallest triangle, we have to:

cos(60) = \frac{a}{x}

We do not know x. But if we take the sine of the angle of 30 degrees and the main triangle we have:

sin(30) = \frac{x}{15}\\\\x =\frac{15}{2}

Then:

cos(60) = \frac{a}{\frac{15}{2}}

a = cos(60)\frac{15}{2}

a = \frac{15}{4}

7 0
3 years ago
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