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EastWind [94]
3 years ago
8

A pillar 4 feet tall casts a shadow 2 feet long on the ground. If the pillar was 14 feet tall, how many feet in length would the

shadow be?
Mathematics
2 answers:
statuscvo [17]3 years ago
4 0

Answer:

i guess it is a 7 foot shadow

Step-by-step explanation:

DanielleElmas [232]3 years ago
4 0

Weird question

Step-by-step explanation:

I don't get the question

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Spencer drink 2/3 liter of water Monday before going jogging he drink 5/7 liter of water after his jog how much water did Spence
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1 8/21 liters

Step-by-step explanation:

4 0
3 years ago
Use the Shell Method to find the volume of the solid obtained by rotating region under the graph of f(x)=x^2+2 for 0≤x≤5 about x
Irina18 [472]

For each <em>x</em> in the interval 0 ≤ <em>x</em> ≤ 5, the shell at that point has

• radius = 5 - <em>x</em>, which is the distance from <em>x</em> to <em>x</em> = 5

• height = <em>x</em> ² + 2

• thickness = d<em>x</em>

and hence contributes a volume of 2<em>π</em> (5 - <em>x</em>) (<em>x</em> ² + 2) d<em>x</em>.

Taking infinitely many of these shells and summing their volumes (i.e. integrating) gives the volume of the region:

\displaystyle 2\pi \int_0^5 (5-x)(x^2+2)\,\mathrm dx=2\pi\int_0^5 (10-2x+5x^2-x^3)\,\mathrm dx=\boxed{\frac{925\pi}6}

4 0
2 years ago
Which expression is equivalent to -4 - 9?<br> A. 4 + 9<br> B. 4 - 9<br> C. -4 + (-9)<br> D. -4 + 9
musickatia [10]
Answer: C. -4 + (-9)
8 0
2 years ago
Read 2 more answers
Please help me to evaluate 6+7=8−15
zzz [600]
13=-7 which is not true
3 0
3 years ago
Read 2 more answers
If y varies directly as the square root of x and y = 8 when x = 36, find the value of y when x = 144. y =
Wittaler [7]

Answer:

y=32

Step-by-step explanation:

cross multiply

36/4 *144/y

144*8/36

=1152/36

y=32

8 0
3 years ago
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