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JulijaS [17]
3 years ago
8

Please help me anyone one, please

Mathematics
1 answer:
Elden [556K]3 years ago
3 0

Answer:

Step-by-step explanation:

Be sure to insert π where appropriate!

If the diameter of the yo-yo is 4 in, then the radius is 2 in.

The area comes from A = πr² and the circumference from C = πd.

In this case the area is A = π(2 in)² = 4π in² or 12.57 in².

The circumference is C = 4π in or 12.57 in.

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<img src="https://tex.z-dn.net/?f=27%3D%281%2F3%29x%2F2%5C%5C" id="TexFormula1" title="27=(1/3)x/2\\" alt="27=(1/3)x/2\\" align=
ICE Princess25 [194]

Answer:

  x = 162

Step-by-step explanation:

The equation editor lets you properly write exponents, so we have to assume that your equation is supposed to be equivalent to ...

  27 = x/6

  27·6 = x = 162 . . . . multiply by 6

_____

On the off chance you intend ...

27=\left(\dfrac{1}{3}\right)^{\dfrac{x}{2}}

you can solve this by taking logarithms and dividing by the coefficient of x. Using base 3 for the logarithm may be easiest.

\log_3{(27)}=\dfrac{x}{2}\log_3{(3^{-1})}\\\\3=-\dfrac{x}{2} \qquad\text{simplify}\\\\-6=x \qquad\text{multiply by -2}

This version of the equation has solution x = -6.

4 0
3 years ago
There are 178 more bikers than hikers if there are 676 people in the park total how many people are hikers?
Verizon [17]

Answer:

The total number of hikers are 427

Step-by-step explanation:

Let:

The number of bikers = x

The number of hikers = y

There are 178 more bikers than hikers

y = x + 178

if there are 676 people in the park total how many people are hikers?

Hence:

x + y = 676

we substitute x + 178 for y

x + x + 178 = 676

2x + 178 = 676

2x = 676 - 178

2x = 498

x = 498/2

x = 249

y =x + 178

y = 249 + 178

y = 427

Therefore:

The number of bikers = x = 249

The number of hikers = y = 427

The total number of hikers are 427

3 0
3 years ago
What is the gcf of 35, 20,15
fgiga [73]

Answer:

Prime factorisation of the numbers -

\\  \sf \: 35 = 7 \times  \underline5 \\  \\  \sf \: 20 =  \underline5 \times 4 \\  \\  \sf \: 15 = 3 \times  \underline5 \\

As, we can see that the 5 is common in the both three numbers. So,

<u>GCF</u><u>,</u><u> </u> greatest common factor (35, 20, 15) = <u>5</u>

3 0
3 years ago
Read 2 more answers
Evaluate 12 + x<br> when x = 2
tamaranim1 [39]

Answer:

14

Step-by-step explanation:

12+2=14

3 0
4 years ago
Please help me with this one ☝️
shepuryov [24]

Answer:

ithink it should be c

Step-by-step explanation:

5 0
3 years ago
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