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sdas [7]
3 years ago
5

Leisure time important of leisure​

Mathematics
1 answer:
Daniel [21]3 years ago
6 0

Answer:

is this an essay question?

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What is the ratio of circles to total shapes
Soloha48 [4]
Hm i think it might be 2:8?
6 0
2 years ago
F(x) = -2x² – 3 and
Anarel [89]

Answer

f(-4) = 125, g(6) = -13

Step-by-step explanation:

all of those symbols might look really scary, but really all the problem is asking you to do is substitute -4 into the x in f(x) and 6 into the x in g(x) -- basically, f(-4) = -2((-4)^{3}) - 3 = 125, and g(6) = -2(6) - 1 = -13. there are your answers!

4 0
2 years ago
If the cost of a 2.5 meter cloth is $30.5. What will be the cost of 22 meters ?
alisha [4.7K]

Answer:

268.40

Step-by-step explanation:

We can write a ratio to solve

2.5 meters        22 meters

-----------------  = --------------

30.5 dollars       x dollars

Using cross products

2.5 * x = 30.5 * 22

2.5x =671

Divide each side by 2.5

2.5x / 2.5 = 671/2.5

x =268.4

8 0
2 years ago
According to a​ study, 68​% of all males between the ages of 18 and 24 live at home. ​ (Unmarried college students living in a d
Marat540 [252]

Answer:

a) P(X≥143​)=0

b) This contradicts the study as getting a sample with this proportion is almost impossible (if the proportion of 68% is true).

Step-by-step explanation:

If we use the normal approximation to the binomial distribution we have the following parameters (mean and standard deviation):

\mu=np=0.68*206=140.1\\\\ \sigma=\sqrt{np(1-p)}=\sqrt{206*0.68*0.32}=\sqrt{44.8256}=6.7

Then, we can calculate the probability of X being equal or more than 143 using the z-score:

z=\dfrac{X-\mu}{\sigma/\sqrt{n}}=\dfrac{143-140.1}{6.7/\sqrt{206}}=\dfrac{2.9}{0.4668}=6.2124\\\\\\P(x\geq143)=P(z>6.2124)=0

This contradicts the study as getting a sample with this proportion is almost impossible (if the proportion of 68% is true).

6 0
3 years ago
Jane needs to solve for the value of n in the equation 10 n = 150. Which of these steps would BEST help Jane solve the equation?
Hoochie [10]

Answer:

n = 15

Step-by-step explanation:

10 x 15 = 150.

<em>Hope this helps!</em>

8 0
2 years ago
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