3 years ago

Which angles are obtuse angles in the figure shown

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

5 0

The answer is D because those angels are greater than 90 degrees

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Evaluate x-1/3 when x=2/3

eduard

Answer:

1/3

Step-by-step explanation:

x-1/3 x=2/3

2/3-1/3 (same denominator)

=1/3

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3 years ago

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LekaFEV [45]

Answer:

Step-by-step explanation:

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2 years ago

In the below system, solve for y in the first equation.

fiasKO [112]

The correct answer should be A.

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3 years ago

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emeril used a total of 7 1/4 cups of flour to make three pastries. he used 2 1/4 cups of flour for the first and 2 1/3 cups for

inysia [295]

2 1/3 + 2 1/4
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3 years ago

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The sum of the radius of the base and the height of a solid cylinder is 37m. If the total surface area of the cylinder is 1628 m

MA_775_DIABLO [31]

Answer:

4618.14 $m^{3}$ or 4618 $m^{3}$

Step-by-step explanation:

From T.S.A = 2 $\pi$ rh + 2 $\pi$ $r^{2}$

where T.S.A = 1628 $m^{2}$

1628 = 2 $\pi$ rh + 2 $\pi$ $r^{2}$

1628 = ( rh + $r^{2}$ ) 2 $\pi$

by dividing both side by 2 $\pi$

$\frac{1628}{2\pi }$ = rh + $r^{2}$

259.10 = rh + $r^{2}$

rh = 259.10 - $r^{2}$

h = $\frac{259.10 - r^{2} }{r}$ <u> </u>(1)

From Radius + Height = 37

r + h = 37 <u> </u>(2)

by substituting eqn 1 into 2

r + $\frac{259.10 - r^{2} }{r}$ = 37

by multiplying r to both side

$r^{2}$ + 259.10 - $r^{2}$ = 37r

259.10 = 37r

r = $\frac{259.10}{37}$

r = 7.00 ≅ 7

From Eqn 2

r + h = 37

7 + h = 37

h = 37 - 7

h = 30

so Volume of a cylinder = $\pi r^{2} h$

V = $\pi$ * $7^{2}$ * 30

V = 4618.14 $m^{3}$ ≅ 4618 $m^{3}$

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3 years ago

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