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inessss [21]
3 years ago
10

The area of circle Z is 64 ft2.

Mathematics
2 answers:
Maru [420]3 years ago
8 0

Answer:

r=4.51 ft

Step-by-step explanation:

Area of a circle is given by

A=\pi r^{2} where A is area and r is the radius. Making r the subject of the above formula then

r=\sqrt {\frac {A}{\pi}}

Substituting A with 64 then

r=\sqrt {\frac {64}{\pi}}\approx 4.51 ft

posledela3 years ago
3 0

Answer:

its 8

Step-by-step explanation:

i got it right

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Can you please help me
Sholpan [36]

Answer:

b 78

Step-by-step explanation:

because the area is what you get

in the equation

b 78

5 0
3 years ago
Solve 3x + 2 = 15 for x using the change of base formula log base b of y equals log y over log b. −1.594 0.465 2.406 4.465
disa [49]

<u>Answer:</u>

The value in 3x + 2 = 15 for x using the change of base formula is 0.465 approximately and second option is correct one.

<u>Solution:</u>

Given, expression is 3^{(x+2)}=15

We have to solve the above expression using change of base formula which is given as

\log _{b} a=\frac{\log a}{\log b}

Now, let us first apply logarithm for the given expression.

Then given expression turns into as, x+2=\log _{3} 15

By using change of base formula,

x+2=\frac{\log _{10} 15}{\log _{10} 3}

x + 2 = 2.4649

x = 2.4649 – 2  = 0.4649

Hence, the value of x is 0.465 approximately and second option is correct one.

3 0
3 years ago
Read 2 more answers
What is the GFC40 and28
Butoxors [25]

Step-by-step explanation:

40 = 2 * 2 * 2 * 5

28 = 2* 2 * 7

So now

The GCF = 2 * 2 = 4

7 0
3 years ago
Read 2 more answers
Line A and Line Bare
Dimas [21]

Answer:

I think it b

Step-by-step explanation:

I had the same question

3 0
2 years ago
Write the following as a ratio: 304 calories burned in 56 minutes
IgorC [24]

Answer:

The required ratio is 38 : 7

Step-by-step explanation:

Given,

304 calories burned in 56 minutes,

That is, the number of calories burnt in 56 minutes = 304

So, the ratio of the calories burnt and time in minutes  = \frac{304}{56}

∵ HCF(304, 56) = 8,

Thus, the ratio of price of photos and number of photos = \frac{304\div 8}{56\div 8}

= \frac{38}{7}

6 0
3 years ago
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