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3 years ago

I thought I got this right but I guess not:/

Mathematics

2 answers:

solniwko [45]3 years ago

7 0

Likely , H I believe lmk what happens :(

posledela3 years ago

3 0

I think it's likely since more than 50% of the songs are for running. It cannot be impossible since there are for sure songs for running and it can't be certain since not every single song is for running.

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Two wheels rolled simultaneously. The radius of the smaller wheel is r feet and the radius of the larger wheel is 2r feet If bot

Mnenie [13.5K]

The smaller wheel rolled
.. 4*2πr = 8πr . . . . feet

The larger wheel rolled
.. 4*2π*2r = 16πr . . feet

The larger wheel traveled (16πr -8πr) = 8πr feet farther than the small wheel.

6 0

3 years ago

Ellie has $53.39 automatically deducted from her bank account each month for her gym membership. What is the overall change in h

Ber [7]

Answer:

$320.34

Step-by-step explanation:

$53.39x6=$320.34.

<u><em>Could I please have BRAINLIEST.</em></u>

6 0

3 years ago

Consider the function f(x)= 2/5x-4

Gre4nikov [31]

Answer: a) $\frac{5}{2}x+10=f^{-1}(x)=g(x)$

Step-by-step explanation:

Since we have given that

$f(x)=\frac{2}{5}x-4$

a.) Find the inverse of f(x) and name it g(x).

Let f(x) = y

So, it becomes

$y=\frac{2}{5}x-4$

Switching x to y , we get

$x=\frac{2}{5}y-4$

$5x=2y-20\\\\5x+20=2y\\\\\frac{5x+20}{2}=y\\\\\frac{5}{2}x+10=y\\\\\frac{5}{2}x+10=f^{-1}(x)=g(x)$

b) . Use composition to show that f(x) and g(x) are inverses of each other.

$\mathrm{For}\:f=\frac{2}{5}x-4\:\\\\\mathrm{substitute}\:x\:\mathrm{with}\:g\left(x\right)=\frac{5}{2}x+10\\\\=\frac{2}{5}\left(\frac{5}{2}x+10\right)-4\\\\=x$

Similarly,

$\mathrm{g\left(x\right)=\frac{5}{2}x+10,\:f\left(x\right)=\frac{2}{5}x-4,\:g\left(x\right)\circ \:f\left(x\right)}\\\\\mathrm{For}\:g=\frac{5}{2}x+10\:\mathrm{substitute}\:x\:\mathrm{with}\:f\left(x\right)=\frac{2}{5}x-4\\\\=\frac{5}{2}\left(\frac{2}{5}x-4\right)+10\\\\=x$

so, both are inverses of each other.

c) Draw the graphs of f(x) and g(x) on the same coordinate plane.

As shown below in the graph , Since for inverse function we need an axis of symmetry i.e. y=x

And both f(x) and g(x) are symmetry to y=x.

∴ f(x) and g(x) are inverses of each other.

5 0

3 years ago

Convert 1.46 radian angle into degrees. Round decimal answers to nearest tenth. Use 3.14 for pi.

natulia [17]

Answer:

83.7°

Step-by-step explanation:

180° : pi

180 : 3.14

X : 1.46

180/3.14 = X/1.46

X = 1.46 × 180/3.14

X = 83.6942675159

X = 83.7°

5 0

3 years ago

Factor the given polynomial 2z-22z+48 completely.

____ [38]

The GCF here is 2

2(z - 11z + 24)

i assume your question is wrong.. or you printed it inaccurately
because the 1st term should indicate the highest exponent however the 1st and 2nd terms are having the same exponent!!

7 0

3 years ago

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