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Flura [38]
3 years ago
11

Can someone help me, its power functions and polynomials

Mathematics
1 answer:
maks197457 [2]3 years ago
7 0
Me! I can help you.
You might be interested in
Unit times for a job exhibit a learning effect. If the second unit took 30 hours, and the fourth unit took 21 hours, roughly how
malfutka [58]

Answer:

The answer is "24 Hours".

Step-by-step explanation:

The calculated time for 2^{nd}unit:

\to T_2 =T_1 \times (2)^{\frac{log(r)}{log(2)}}

        =30 ................(a)

Calculating the time for 4^{th}unit:

T_4=T_1\times (4)^{\frac{log(r)}{log(2)}}

     =21 ..............(b)

On dividing the value from equation (a) to (b):

 r= 0.7

Put the value of r into equation (a)  

T_1=42.8571

Calculating the value of time for 3^{rd} unit:

= 42.8571 \times (3)^{\frac{log(0.7)}{log(2)}} \\\\=24.35 \ Hours\\\\=24

6 0
2 years ago
Help please!!!!!!!!!!
Anon25 [30]

Answer:

x = 50.53 degrees

Step-by-step explanation:

Q 1

Find length of BD using the sine Rule:-

5.6 / sin 78 = BD / sin 50

BD =  5.6 * sin 50 / sin 78

BD = 4.386 cm

Now consider triangle BDC

m <  BDC = 180 - 78 = 102 degrees

Applying the sine Rule:-

9.3 / sin 102 =  4.386 / sin < BCD

sin BCD =  sin 102 * 4.386 / 9.3

sin < BCD = 0.4613

m < BCD = 27.47 degrees

So m < x =  180 - 102 - 27.47 degrres

=  50.53 degrees






8 0
3 years ago
Help please I really need help<br> :)
Firdavs [7]

Answer:

Solution given:

For 1st

x²=71

For x=±\sqrt{71}

and

For 2nd

x³=71

For x=±\sqrt[3]{71}

So answer is:

In first row

<u>Solution to x²=71</u>

In second row

<u>Solution to </u><u>x³</u><u>=71</u>

In third row

<u>neither</u>

In forth row

<u>Solution to x³=71</u>

6 0
2 years ago
15.12 is what percent of 12?
Llana [10]

Answer:

<h2>126%</h2>

Step-by-step explanation:

\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126

\bold{METHOD\ 2}\\\\p\%=\dfrac{p}{100}\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\\dfrac{p}{100}\cdot12=15.12\\\\\dfrac{12p}{100}=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126

6 0
3 years ago
Deal 1: $16.05 for 5 Caramel apples Deal 2: $19.14 for 6 caramel
Dmitry [639]
Deal 2 is the best deal. Deal 1 is $3.21 per apple but Deal two is $3.19 per apple.
6 0
3 years ago
Read 2 more answers
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