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3 years ago

Which quadrilateral is a kite? HELP QUICKLY!!!!!!!!!!!!!!

Mathematics

2 answers:

noname [10]3 years ago

3 0

"B" is the answer you're looking for.

True [87]3 years ago

3 0

The answer would be b..............................i think

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Find the volume of the solid whose base is the region Ix I Iy I < 1 and whose vertical cross sections perpendicular to the y-

gavmur [86]

Answer:

volume of the solid = $\frac{\pi }{3}$

Step-by-step explanation:

As given , the region : |x| + |y| $\leq$ 1

when y $\geq$ 0 ,

|x| + y = 1

⇒|x| = 1 - y

when y ≤ 0 ,

|x| - y = 1

⇒|x| = 1 + y

The given region is the rectangle with sides (0, 5) , (0, -5), (5, 0), (-5, 0)

As given , the vertical cross section are semicircle

As we know that the area of semi circle = $\frac{1}{2}$ $\pi x^{2}$

Now,

Volume = $\int\limits^0_-1 {\frac{\pi }{2} (1+y)^{2} } \, dy$ + $\int\limits^1_0 {\frac{\pi }{2} (1-y)^{2} } \, dy$

= $\frac{\pi }{2} (\frac{(1+y)^{3} }{3} )$ - $\frac{\pi }{2} (\frac{(1-y)^{3} }{3} )$

= $\frac{\pi }{6}$ [1-0] - $\frac{\pi }{6}$ [0-1]

= $\frac{\pi }{6} + \frac{\pi }{6} = 2\frac{\pi }{6} = \frac{\pi }{3}$

⇒volume of the solid = $\frac{\pi }{3}$

4 0

3 years ago

the admission fee for a charity event is $7 for children and $10 for adults the event was attended by 700 people on the total am

9966 [12]

Answer:

there were 200 children and 500 adults at the show

Step-by-step explanation:

7x+10y=6400

x+y=700

x=700-y

7(700-y)+10y=6400

4900-7y+10y=6400

-7y+10y=1500

3y=1500

y=500

x=700-y

x=700-500

x=200

3 0

2 years ago

Read 2 more answers

Please Answer ASAP According to the table, which ordered pair is a local maximum of the function, f(x)? (0, 64) (3, –35) (5, 189

Katarina [22]

The ordered pair that represents a maximum is (5,189)

6 0

3 years ago

Solve the System of equations using substitution or elimination. Show work. 3x-4y=-31 X+y=6

Nataly_w [17]

Hope this helps I got (-1, 7)

6 0

3 years ago

Ayo help me please I give u 10 points

slavikrds [6]

Answer:

A and D

Step-by-step explanation:

Moving the line left would be moving it onto the y - axis

Therefore the solution would be any point that starts with 0

So (0, 1), (0, 2), (0, -9), etc.

3 0

3 years ago