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Leto [7]
3 years ago
8

What helpful ways could this practice of gathering data and making predictions be used?

Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

Methods including water divining, astrology, numerology, fortune telling, interpretation of dreams, and many other forms of divination, have been used for millennia to attempt to predict the future.

Step-by-step explanation:

hope it helps : )

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I really need help I don’t know how to do this and no one wants to help me :(
natka813 [3]

Answer:

p=-1,-4

q=-1,-2

s=3,-2

u=-5,-3

v=-1,1

Step-by-step explanation:

7 0
3 years ago
A tank in the shape of an inverted right circular cone has height 6 meters and radius 3 meters. It is filled with 2 meters of ho
ANTONII [103]

Answer:

Step-by-step explanation:

Given

Radius of cone R=3\ m

height of cone H=6\ m

Chocolate is filled up to a height of h=2\ m

Work done to lift a body to a height h when F force is applied is  given by

W=Fh

An infinitesimally slice of chocolate \Delta y at a height of y has a radius

r=\dfrac{R}{H}\cdot h

Volume of slice is dV=\pi r^2y

mass =\rho \times dV

This mass need to be raised to a height of 6-y which requires a work of

dW=\rho (\pi r^2ydy)g(6-y)

To empty the tank

W=\int_{0}^{3}\rho \cdot \pi \cdot g\cdot r^2\cdot (6-y)dy

at h=y

r=\dfrac{R}{H}\cdot y

r=\dfrac{3}{6}y

r=\dfrac{y}{2}

W=\int_{0}^{3}\rho \cdot \pi \cdot g\cdot \dfrac{y^2}{4}\cdot (6-y)dy

W=10^3\times \pi \times \dfrac{1}{4}\times (2y^3-\dfrac{1}{4}y^4)_0^3

W=259.80\ kJ

4 0
3 years ago
3)<br> х<br> 45°<br> 11<br> A) 10.8<br> C) 11.0<br> B) 11.6<br> D) 8.8
maxonik [38]

Answer:

AAO 22.902 A 45 12.632 13,939 945 559,302 5A , 480 1.17 6.044 36,491 ... 12.1 F 13.2 12.1 F 13.2 12.1 E 13.2 12.1 F 12.9 12.5 8.6 8.3 F 10.0 9.7 8.6 B.3 E 11.6 ... 10.5 D 11.8 10.5 C 11.8 10.5 D 11.8 10.5 с 11.8 10.5 U 11.8 10.5 D 13.3 12.7 ... 10.1 12.1 11.4 8.8 A.3 13.3 12.9 13.3 12.5 13.3 12.5 13.3 12.5 11.0 10.4 13.3 ...

6 0
3 years ago
If s(x) = 2x2 + 3x - 4, and t(x) = x + 4 then s(x) · t(x) =
Paladinen [302]

Answer:

\large\boxed{s(x)\cdot t(x)=2x^3+11x^2+8x-16}

Step-by-step explanation:

s(x)=2x^2+3x-4,\ t(x)=x+4\\\\s(x)\cdot t(x)\\\\\text{use the distributive property:}\ a(b+c)=ab+ac\\\\s(x)\cdot t(x)=(2x^2+3x-4)(x+4)\\\\=(2x^2+3x-4)(x)+(2x^2+3x-4)(4)\\\\=(2x^2)(x)+(3x)(x)+(-4)(x)+(2x^2)(4)+(3x)(4)+(-4)(4)\\\\=2x^3+3x^2-4x+8x^2+12x-16\\\\\text{combine like terms}\\\\=2x^3+(3x^2+8x^2)+(-4x+12x)-16\\\\=2x^3+11x^2+8x-16

7 0
4 years ago
¿Cuál es el área de un rectángulo que mide 1/2 cm de base y 3/8 cm de altura ?
ch4aika [34]

Answer:

3/16

Step-by-step explanation:

8 0
3 years ago
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