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AfilCa [17]
3 years ago
11

Which ratio is the simplest form of 42 : 28 ? A) 2:1 B 21:14 3:2 2 D) 2:3

Mathematics
2 answers:
Natalija [7]3 years ago
7 0

Answer:

3/2

Step-by-step explanation:

bearhunter [10]3 years ago
4 0

Answer:

3:2

Step-by-step explanation:

We know this because we can simplify both by 2, which gives 21:14. We're not done yet. 21:14 is divisible by 7, so we get 3:2

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Which equation can be simplified to find the inverse of y = 5x2 + 10?
zmey [24]

f^-1(x) = sq.rt 5(x - 10)/5, sq.rt 5(x - 10)/5 is the inverse of y = 5x^2 +10

Step-by-step explanation:

interchanging the variables

x = 5y^2 + 10

5y^2 +10 = x

5y^2 = x - 10

dividing by 5

5y^2/5 = x/5 + -10/5

y^2 = x/5 + - 10/5

y^2 = x/5 - 2

y = 5 (x-10) 0/5 (sq.rt)

g(5x^2 + 10) = 5x/5

g(5x^2 + 10) = x

f^-1(x) = sq.rt 5(x - 10)/5, sq.rt 5(x - 10)/5 is the inverse of y = 5x^2 +10

5 0
3 years ago
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Mean of 6 numbers-is 15 whereas mean of next 4 numbers
Assoli18 [71]
It is 22 my guy because i think it is 22
3 0
3 years ago
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Can someone plz help me with this??? I will also mark you brainliest!!!
Leokris [45]
-204 + 418 is 214 ft
-56 - 214 is -270 ft

I believe these should be correct.

4 0
3 years ago
Let v be the volume of a sphere, s be the surface area of the sphere, and r be the radius of the sphere. which equation represen
MakcuM [25]
Let
v-------> <span> the volume of a sphere
s-------> t</span><span>he surface area of the sphere
r------> </span><span>the radius of the sphere

we know that
v=(4/3)*pi*r</span>³-----> v=(r/3)*4*pi*r²------> equation 1
and
S=4*pi*r²-----> equation 2

substitute equation 2 in equation 1
so
v=(r/3)*4*pi*r²-------> v=(r/3)*s

the answer is
the equation that <span>represents the relationship between these three measures
</span> v=(r/3)*s

6 0
3 years ago
What is the measure of a base angle of an isosceles triangle if its vertex angle measures 30 degrees?
notsponge [240]
180 - 30 = 150or triangle is isoscele so each base angle is 150 / 2 = 75

3 0
3 years ago
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