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AnnZ [28]
4 years ago
11

Will 5 divided by 2 over 7 have a whole number answer? explain

Mathematics
1 answer:
Aneli [31]4 years ago
8 0
No, because 5 divided by 2 is 2.5. Then divided by 7 would be 0.35714...
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Which form most quickly reveals the vertex?
lana [24]

Answer:

first option

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

m(x) = - 2 (x - 6)² + 18 ← is in vertex form

with vertex = (6, 18 )

7 0
3 years ago
Read 2 more answers
In a certain fraction, the denominator is 4 less than the numerator. if 3 is added to both the numerator and the denominator, th
zhannawk [14.2K]
Make a system of equation before finding the numbers. d stands for denominator and n stands for the numerator.
⇒ d = n - 4  (first equation)
⇒ (n + 3)/(d + 3) = 2 (second equation)

Simplify the second equation
(n + 3) / (d + 3) = 2
(n + 3) = 2(d + 3)
n + 3 = 2d + 6

Solve the equation system by subtituting d with n-4 from the first equation into the second equation
n + 3 = 2d + 6
n + 3 = 2(n - 4) + 6
n + 3 = 2n - 8 + 6
n + 3 = 2n - 2
n - 2n = -2 - 3
-n = -5
n = 5
The original numerator is 5

Find the original denominator by inputing 5 as numerator to one of the equation
d = n - 4
d = 5 - 4
d = 1
The original denominator is 1

So the original fraction is 5/1
6 0
3 years ago
Solve for x. Round to the nearest tenth of a degree, if necessary.
xenn [34]

Sin (angle) = opposite leg / hypotenuse

Sin(x) = 2.1/4

x = arcsin(21./4)

x = 31.7 degrees

4 0
3 years ago
The formula for the volume of a sphere is v= 4/3 m^3 what is the formula solved for r ?
Softa [21]

Answer:

            3V

r = ∛ ( ---------- )

            4π

Step-by-step explanation:

Please, enclose the fraction 4/3 inside parentheses, to eliminate any possibility of misreading this fraction.  Also note that this formula MUST include "pi," symbolized by π.

V = (4/3) π r³  This formula does NOT include "m," which is a unit of measurement, not a variable.

Our task is to solve this formula for the radius, r.

Divide both sides by (4/3) π, to isolate r³.  This results in:

      v               (4/3) π r³

-------------   =  -----------------

  (4/3) π             (4/3) π

                     

                       V              3V

Then r³ = --------------  =  --------

                   (4/3) π           4π

and r is found by taking the cube root of the above result:

            3V

r = ∛ ( ---------- )

            4π

4 0
4 years ago
I really need help with this one
Evgen [1.6K]

Answer:

a=70 b=.16 c=350

Step-by-step explanation:

50 messages is 8 dollars

6 0
3 years ago
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