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Svetllana [295]
3 years ago
10

Help ...............

Mathematics
1 answer:
sammy [17]3 years ago
5 0
A straight line is 180° so....

9x+24 +6x - 24 = 180

15x=180. ( because you have to combine like terms.

X= 12
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What is the sum or difference? 3x^8 + 7x^8
posledela

Answer:

10x^8 is the sum

Step-by-step explanation:

7 0
3 years ago
Omar has 2-5/8 cups of dough to make dumplings. If he uses 3/16 cup of dough for each dumpling, how many whole dumplings can Oma
Arte-miy333 [17]

Answer:

The number of whole dumpling does Omar make is 14 .

Step-by-step explanation:

Given as :

The number of cups does Omar has to make dumplings = x = 2\dfrac{5}{8}

i.e x = \dfrac{16 + 5}{8}

or, x =  \dfrac{21}{8}

Again

The number of cups uses for each dumpling = y =  \dfrac{3}{16}

i.e y = \dfrac{3}{16}

Let The number of whole dumpling does Omar make = z

So,  number of whole dumpling does Omar make = \dfrac{\textrm number of cups does Omar has to make dumplings}{number of cups uses for each dumpling }

Or, z = \dfrac{x}{y}

Or, z = \frac{\frac{21}{8}}{\frac{3}{16}}

Or, z = \frac{21\times 16}{8\times 3}

∴  z = 7 × 2

i.e z = 14

So, The number of whole dumpling does Omar make = z = 14

Hence, The number of whole dumpling does Omar make is 14 . Answer

8 0
3 years ago
In a survey of 1000 large corporations, 260 said that, given a choice between a job candidate who smokes and an equally qualifie
Usimov [2.4K]

Answer:

The 95% confidence interval for the proportion of corporations preferring a nonsmoking candidate is (0.2328, 0.2872)

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 1000, p = \frac{260}{1000} = 0.26

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.26 - 1.96\sqrt{\frac{0.26*0.74}{1000}} = 0.2328

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.26 + 1.96\sqrt{\frac{0.26*0.74}{1000}} = 0.2872

The 95% confidence interval for the proportion of corporations preferring a nonsmoking candidate is (0.2328, 0.2872)

4 0
3 years ago
10) Use the graph below: What percent of strikeouts is Samar responsible 10 pointsfor?BASEBALL STRIKEOUTSCARLOSPITCHERYUSAMARJUS
JulsSmile [24]

First let's find out the total number of strikeouts, by adding the number of strikeouts of each person:

\text{total}=13+9+5+11+8+4=50

Now, to find the percentage of strikeouts that Samar is responsible, let's divide his number of strikeouts (5) by the total number of strikeouts (50):

\frac{5}{50}=\frac{1}{10}=\frac{10}{100}=10\text{\%}

So Samar is responsible for 10% of the strikeouts.

4 0
1 year ago
Math help for Lisee7
jarptica [38.1K]
2+-2 sq rt of 2 one of the answers you needed plz rate me
3 0
3 years ago
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