3 years ago

What’s the answer (question to much to type).

Mathematics

1 answer:

ElenaW [278]3 years ago

6 0

What is the decimal to this fraction

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For the function f(x) = 3^x-1 calculate the following values: <br> f(3) =<br> f(6) =

ivolga24 [154]

Answer:f(3)=26,f(6)=215

Step-by-step explanation:

f(x)=3^x-1

f(3)=3^3-1

f(3)=3x3x3-1

f(3)=27-1

f(3)=26

f(6)=6^3-1

f(6)=6x6x6-1

f(6)=216-1

f(6)=215

4 0

3 years ago

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WHAT IS A VOLUME OF THE BOX WITH A HEIGHT OF 3\2 WIDTH OF 5\2 AND LENGHT OF 7\2

Vlad1618 [11]

Answer:

13.125 or 105/8u^3

Step-by-step explanation:

To find the volume of the box, you can use the formula of length times width time height.

3 * 5 = 15

2*2=4

15/4*7/2=105/8 which can be divided to become 13.125

7 0

3 years ago

The heights of a certain population of corn plants follow a normal distribution with mean 145 cm and stan- dard deviation 22 cm

Firdavs [7]

Answer with explanation:

Given : The heights of a certain population of corn plants follow a normal distribution with mean $\mu=145\ cm$ and standard deviation $\sigma=22\ cm$

a) Using formula $z=\dfrac{x-\mu}{\sigma}$ , the z-value corresponds to x= 135 will be

$z=\dfrac{135-145}{22}\approx-0.45$

At x= 155, $z=\dfrac{155-145}{22}\approx0.45$

The probability that plants are between 135 and 155 cm tall :-

$P(-0.45$

Hence, 34.73% of the plants are between 135 and 155 cm tall.

b) Sample size : n= 16

Using formula $z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$ , the z-value corresponds to x= 135 will be

$z=\dfrac{135-145}{22}{\sqrt{16}}\approx-1.82$

At x= 155, $z=\dfrac{155-145}{22}{\sqrt{16}}\approx1.82$

The probability that plants are between 135 and 155 cm tall :-

$P(-1.82$

Hence,The percentage of the samples would the sample mean height be between 135 and 155 cm.= 93.12%

4 0

3 years ago

Ms. Pickle is a salesperson at Fluffy Dogs. Each week she earns $560 plus a 6.5% of her sales. How much did she earn last week i

katen-ka-za [31]

The anwser would be 1500 your welcome sir or mam

5 0

3 years ago

Mr. Bryce planted a garden in his backyard. The length and width of the garden is shown below. What is the area, in square meter

quester [9]

10/3 or 3 1/3. EXPLANATION: You multiply Width x length. 5/6 x 2/3 = 10/3 or you can count. Knowing each small rectangle is worth 1/3. Have a good day!

6 0

3 years ago

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