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lys-0071 [83]
3 years ago
11

Select proportional or not proportional to correctly classify each pair of ratios.

Mathematics
1 answer:
Komok [63]3 years ago
8 0

16/36=4/9

(16)(9)=(36)(4) cross multiply

144=144 proportional

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Kelvin finds a tile shaped like a triangle. He measures its angles to discover that it has two acute angles and one right angle.
Aleonysh [2.5K]

Answer:

right triangle

Step-by-step explanation:

A Right triangle is a triangle that has one of its angle as 90°.

Since the triangular shaped tiles has a right angle, the kind of triangle Kevin found will be a right triangle.

A right triangle has two acute angles (angles less than 90°) and a right angle

6 0
3 years ago
Find the area of the figure <br><br> Please help :)
Aleks [24]

9514 1404 393

Answer:

  66.5 cm²

Step-by-step explanation:

A horizontal line at the "knee" on the right will divide the figure into a 4 cm by 2 cm rectangle, and a trapezoid with bases 4 cm and 9 cm, and height 11-2 = 9 cm. Then the total area of the figure is ...

  A = LW + 1/2(b1 +b2)h

  A = (4 cm)(2 cm) + (1/2)(4 cm +9 cm)(9 cm) = 8 cm² +58.5 cm²

  A = 66.5 cm² . . . . area of the figure

7 0
3 years ago
Josie has a cord that is 9 feet long. she wants to cut it into 11 equal lengths pieces. How long will each piece of cord be?
swat32

Josie has a cord that is 9 feet long

If she wants to cut it into 11 pieces then each piece will be (9 ÷ 11) which is 0.81

3 0
3 years ago
34.65 ÷ 1.5= <br>please answer!!​
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23.1 is the answer. Have a great day!

7 0
2 years ago
PPLICATIONS
tiny-mole [99]

All relations that have an inverse are functions.

  • <em>The value of  </em>A^{-1}(9\pi)<em> is 3</em>
  • <em>The value of  </em>A^{-1}(36\pi)<em> is 6</em>

<em />

The function is given as:

\mathbf{A(r) =\pi r^2}

<u>(a) The value of </u>A^{-1}(9\pi)<u />

From the table (see attachment), we have:

A(3) = 9\pi

Take inverse of both sides

3 = A^{-1}(9\pi)

Rewrite as:

A^{-1}(9\pi) = 3

Hence, the value of  A^{-1}(9\pi) is 3

<u>(b) The value of </u>A^{-1}(36\pi)<u />

From the table (see attachment), we have:

A(6) = 36\pi

Take inverse of both sides

6 = A^{-1}(36\pi)

Rewrite as:

A^{-1}(36\pi) = 6

Hence, the value of  A^{-1}(36\pi) is 6

Read more about inverse functions at:

brainly.com/question/10300045

4 0
3 years ago
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