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AveGali [126]
4 years ago
13

A student is trying to remember some formulas from geometry. in what follows, assume a is area, v is volume, and all other varia

bles are lengths. determine which formulas are dimensionally consistent.
Mathematics
1 answer:
telo118 [61]4 years ago
6 0
<span>Given that A is area, V is volume, and all other variables are lengths.

To get the dimensions of a quantity, it is easier to compare the unit of the quantity and represent each value in the unit by the dimension.

The formular that is dimensionally consistent is
V= \frac{\pi d^3}{6}</span>
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Please solve last question on test 1/2 - 1/8q=q-1/4
omeli [17]

Answer:

 q = 2/3

Step-by-step explanation:

From the question the equation is given by,

                      1/2 - 1/8q=q-1/4

Rearranging the terms in the given equation and bringing the similar terms to the same side of the equation,

                    - 1/8q -q = -1/4 - 1/2

Adding the terms in the equation of both left and right hand side of equation:

                    -((1+8)/8) × q    = -(1+2)/4

                    -(9/8) × q         = -3/4

Dividing the both sides of the equation by  3/4

                    -3/2q               = -1

Multiplying the both sides of the equation by -2/3

Therefore,              q=2/3

6 0
3 years ago
What is the answer for 2 5/7 - 7/8
enot [183]
Change the mixed leading number into an improper fraction...a b/c=(ac+b)/c

19/7-7/8  the least common multiple of the denominators is 56 so:

(19/7)(8/8)-(7/8)(7/7)

(152-49)/56

103/56  now we can change back into a mixed number...

(56+47)/56

1 47/56
7 0
3 years ago
Read 2 more answers
What is the answer 5/3+2/4=
noname [10]

Answer:5/3 + 2/4 = 13 /6 = 2 1 /6  ≅ 2.1666667

Step-by-step explanation:

3 0
3 years ago
. The mean incubation time for a type of fertilized egg kept at a certain temperature is 25 days. Suppose that the incubation ti
Paul [167]

Answer:

Step-by-step explanation:

Given that the  mean incubation time for a type of fertilized egg kept at a certain temperature is 25 days.

Let X be the incubation time for a type of fertilized egg kept at a certain temperature is 25 days.

X is N(25, 1)

a) Normal curve is in the attached file

b) the probability that a randomly selected fertilized egg hatches in less than 23 days

=P(X

we convert x into Z score and use std normal distn table to find probability

P(X

i.e. we can say only 2.5% proportion will hatch in less than 23 days.

8 0
3 years ago
Which function has only one x-intercept at (-6, 0)?
Lelu [443]

Answer:

<h2>The function f(x) = (x - 6)(x - 6) has only one x-intercept. But at (6, 0) not at (-6, 0).</h2>

Step-by-step explanation:

The intercept form of a quadratic equation (parabola):

y=a(x-p)(x-q)

p, q - x-intercepts

Therefore

The function f(x) = x(x - 6) = (x - 0)(x - 6) has two x-intercepts at (0, 0) and (6, 0)

The function f(x) = (x - 6)(x - 6) has only one x-intercept at (6, 0)

The function f(x) = (x + 6)(x - 6) = (x - (-6))(x - 6)

has two x-intercept at (-6, 0) and (6, 0)

The function f(x) = (x + 1)(x + 6) = (x - (-1))(x - (-6))

has two x-intercepts at (-1, 0) and (-6, 0).

6 0
4 years ago
Read 2 more answers
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