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Nonamiya [84]
3 years ago
11

C. Because slope = rise over run the slope of a "downhill" line must be run

Mathematics
1 answer:
nataly862011 [7]3 years ago
5 0
I can’t find the question what is it
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The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the
GuDViN [60]
Given:
r = radius = 4
h = height = 12
dr = error in radius = 0.2

What we want to find
dV = error in volume

Use the derivative to find the differential dV
V = pi*r^2*h
dV/dr = d/dr[ pi*r^2*h ]
dV/dr = 2pi*r*h
dV = 2pi*r*h*dr
dV = 2pi*4*12*0.2
dV = 19.2pi

So if the error in measuring the radius is +-0.2 inches, then the error in the cylinder volume is +-19.2pi cubic inches (we either measure the volume to be 19.2pi cubic inches too big, or 19.2pi cubic inches too small)

----------------------------------------------------------------------------------

Final Answer: Plus or minus 19.2pi cubic inches

Note: your teacher may want you to drop the "plus or minus" part
5 0
3 years ago
75% of 129 is what?<br><br> Does anyone know how to do this ?
Gala2k [10]

Answer:

96.75

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Las edades de Luisa y Maria suman 20 años. Dentro de 15 años, la edad de Maria será dos tercios de la de Luisa. ¿Cuales son sus
Setler79 [48]

Answer:

La edad de Luisa es 15  años

La edad de María es 5 años

Step-by-step explanation:

que la edad de María sea x

ii) deja que la edad de Luisa sea

iii) Se da que x + y = 20.

iv) después de 15 años, la edad de María será 2/3 de la de Luisa.

Por lo tanto, podemos decir que x + 15 = 2/3 (y + 15)

Por lo tanto, 3x + 45 = 2y + 30

Por lo tanto 2y - 3x = 15

v) Si multiplicamos la ecuación en iii) por 3 obtenemos 3x + 3y = 60

vi) si sumamos la ecuación en v) a la ecuación en iv) obtenemos 5y = 75.

vii) Por lo tanto, la edad de Luisa = 15  años

viii) sustituyendo la edad de Luisa en la ecuación de iii) obtenemos x = 20 - 15 = 5.

ix) Por lo tanto, la edad de María es 5 años

6 0
3 years ago
X² – 16x + 64<br><br><br> Please help!!!
alexandr402 [8]
The answer is (x-8)^2
7 0
3 years ago
Write the numerical expression. 3 times the quotient of 90 and 15​
kykrilka [37]

Answer:

3(90/15)

Step-by-step explanation:

5 0
4 years ago
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