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4 years ago

Subtract. 5/9-(3 1/3) Enter your answer, as a mixed number in simplest form, in the box.

Mathematics

1 answer:

Vaselesa [24]4 years ago

3 0

Answer:

$-2\frac{7}{9}$

Step-by-step explanation:

$\frac{5}{9} - 3\frac{1}{3} = \frac{5}{9} - \frac{10}{3} = \frac{5}{9} - \frac{30}{9} = -\frac{25}{9} = -2\frac{7}{9}$

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An artist makes a batch of orange paint by mixing 3/4 cup of yellow paint whith 3/4 of red paint if mixes 15 batches how many cu

Bingel [31]

Answer:

he would have 22 and 1/2 cups

Step-by-step explanation:

6/4 x 15/1 = 45/2 which also equals 22 1/2

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3 years ago

Read 2 more answers

It has been observed that a large percentage of professional hockey players have birthdays in the first part of the year. It has

vagabundo [1.1K]

Answer:

$\mu = 127$

$\sigma = 9.76$

$z-score = 3.18$

Yes, 158 players out of 508 is an unusual number of men born in the first 3 months of the year because the z score of 158 is greater than 3( Note :the probability of z-score = 3 is 97%)

The correct option is option 3

Step-by-step explanation:

From the question we are told that

The population proportion is p = 0.25

The sample size is n = 508

Generally the mean is mathematically represented as

$\mu = np$

=> $\mu = 508 * 0.25$

=> $\mu = 127$

Generally the standard deviation is mathematically represented as

$\sigma = \sqrt{ np (1-p)}$

=> $\sigma = \sqrt{ 508 * 0.25 (1-0.25)}$

=> $\sigma = 9.76$

Generally the z-score of 158 is mathematically represented as

$z-score = \frac{158 - 127}{9.76}$

=> $z-score = \frac{158 - 127}{9.76}$

=> $z-score = 3.18$

Yes, 158 players out of 508 is an unusual number of men born in the first 3 months of the year because the z score of 158 is greater than 3( Note :the probability of z-score = 3 is 97%)

What this means is that the almost the whole professional hockey league player are born in the first month which is unusual

7 0

3 years ago

HELP PLEASE! 10 PTS!

frozen [14]

Answer:

The Answer is: x = 29

Step-by-step explanation:

Put all of the angles equal to 360 degrees:

(5x - 8) + (3x + 4) + 89 + 51 = 360

Collect like terms and solve for x:

5x + 3x - 8 + 4 + 89 + 51 = 360

8x - 4 + 140 = 360

8x + 136 = 360

8x = 224

x = 224/8 = 28

*** Corrected 12/272019 *** Thanks to the Moderator!

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3 years ago

In may xia 5 flower planters with f flower in each planter in june she made 8 flower planters with f flowers in each planter wri

alina1380 [7]

Answer: The answer is 13f.

Step-by-step explanation: Given that Xia made 5 flower planters in May with 5 flowers in each planter and she made 8 flower planters in June with 5 flowers in each planter. We are to write an expression in simplest form which represents the number of flowers xia has in the planters.

In May, number of flowers planted by Xia = 5 × f,

and

in June, number of flowers planted by Xia = 8 × f.

Therefore, the required expression is

total number of flowers planted in May + total number of flowers planted in June = 5f+8f = 13f.

Thus, the expression is 13f.

8 0

4 years ago

Read 2 more answers

I am having a hard time figuring this out can some one please help!1

aniked [119]

Answer:

$y=500\cdot 0.658^{\frac{x}{2}}$

Step-by-step explanation:

Express the weight as the exponential function of months

$y=a\cdot b^{\frac{x}{2}}$

When $x=0,$ then

$500=a\cdot b^{\frac{0}{2}}\\ \\500=a\cdot b^0\\ \\500=a$

Hence,

$y=500\cdot b^{\frac{x}{2}}$

When $x=2,$ then

$329=500\cdot b^{\frac{2}{2}}\\ \\329=500b^1\\ \\329=500b\\ \\b=\dfrac{329}{500}=0.658$

Therefore,

$y=500\cdot 0.658^{\frac{x}{2}}$

Check the rest values:

$x=4: \ y=500\cdot 0.658^{\frac{4}{2}}=500\cdot 0.658^2\approx 216\\ \\x=6:\ y=500\cdot 0.658^{\frac{6}{2}}=500\cdot 0.658^3\approx 142\\ \\x=8:\ y=500\cdot 0.658^{\frac{8}{2}}=500\cdot 0.658^4\approx 93\\ \\x=10:\ y=500\cdot 0.658^{\frac{10}{2}}=500\cdot 0.658^5\approx 61\\ \\x=12:\ y=500\cdot 0.658^{\frac{12}{2}}=500\cdot 0.658^6\approx 40$

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3 years ago