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2 years ago

Find the volume of the described solid s

Mathematics

1 answer:

Serga [27]2 years ago

8 0

Answer:lol it’s 697

Step-by-step explanation: it could be

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Syyedah throws a baseball with an initial velocity of 30 meters per second from a roof at an initial height of 75 meters. Write

Yuliya22 [10]

Initial velocity: v o = 30 m/s
h = 75 m
h = v o * t + g * t² / 2
75 = 30 · t + 9.8 · t² / 2
75 = 30 t + 4.9 t²
An equation is: y = 4.9 t² + 30 t - 75
4.9 t² + 30 t - 75 = 0
$t_{12}= \frac{-30+/- \sqrt{900+1470} }{9.8}= \\ =\frac{-30+48.68}{9.8}$
t = 1.9 s

4 0

3 years ago

Plz answer ASAP tysm !

Alex777 [14]

Answer:

I already did

Step-by-step explanation:

6 0

3 years ago

David wants to pack 574 cereal bars into bags of 10 and bags of 8 the number of bags of 8 is 2 more than the bags of 10. How man

BabaBlast [244]

Answer: Number of bags of 8. = 33

Number of bags of 10. = 31

Step-by-step explanation:

Let x = Number of bags of 8.

y = Number of bags of 10.

As per given.

$8x+10y= 574$ (i)

$x=y+2$ (ii)

Put value of x from (ii) in (i)

$8(y+2)+10y= 574\\\\\Rightarrow\ 8y+16+10y=574\\\\\Rightarrow\ 18y=574-16\\\\\Rightarrow\ 18y=558\\\\\Rightarrow\ y=\dfrac{558}{18}\\\\\Rightarrow\ y=18$

Put this in (i), x= 31+2=33

Hence,

Number of bags of 8. = 33

Number of bags of 10. = 31

6 0

2 years ago

Work out the percentage change to 2 decimal places when a price of £70 is increased to £99

MaRussiya [10]

Answer:

41.43%

Step-by-step explanation:

Change:

99 - 70 = 29

% change:

29/70 × 100

= 41.42857143%

8 0

3 years ago

How do u solve 50=pi*2(h+3)

lakkis [162]

$\bf 50=\pi 2(h+3)\implies 50=\stackrel{\textit{distributing first}}{2\pi h+6\pi }\implies 50-6\pi =2\pi h \\\\\\ \cfrac{50-6\pi }{2\pi }=h\implies 4.957747154594767 \approx h$

5 0

2 years ago