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3 years ago

10y less than or equal to 12x

Mathematics

2 answers:

sattari [20]3 years ago

7 0

10y less than or equal to 12x

10y <= 12x

Lady bird [3.3K]3 years ago

3 0

Answer:

Step-by-step explanation:

10y ≤ 12x

hope this helps. I don't know any other way to write it. (:

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(3x^-4)6/9x^-12 can you please solve? I’ll give brainly

Olenka [21]

Answer:2

Step-by-step explanation:

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2 years ago

Find: f(g(2))<br> f(x)=x^2 -3x-2<br> g(x)=5x-7

REY [17]

Answer:

-2

Step-by-step explanation:

g(2) = 5*2-7 = 3

f(g(2)) = f(3) = 3^2 - 3*3 - 2

= 9-9-2

= -2

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3 years ago

The manager of a fleet of automobiles is testing two brands of radial tires and assigns one tire of each brand at random to the

Darya [45]

Answer:

Brand 1 Brand 2 Difference

37734 35202 2532

45299 41635 3664

36240 35500 740

32100 31950 150

37210 38015 −805

48360 47800 560

38200 37810 390

33500 33215 285

Sum of difference = 2532+ 3664+740+150 −805+ 560 +390 +285 = 7516

Mean = $d=\frac{7516}{8}$

Mean = $d=939.5$

a) d= 939.5

$\text{Sample Standard deviation, s} = \sqrt{\dfrac{(x-\bar{x})^2}{n-1}}$

$=\sqrt{\dfrac{(2532-939.5)^2+(3664-939.5)^2+(740-939.5)^2 ...+(285-939.5)^2}{8-1}}$

=1441.21

b)SD= 1441.21

c)Calculate a 99% two-sided confidence interval on the difference in mean life.

confidence level =99%

significance level =α= 0.01

Degree of freedom = n-1 = 8-1 =7

So, $t_{\frac{\alpha}{2}}=3.499$

Formula for confidence interval $= \left( \bar{X} \pm t_{\frac{\alpha}{2}} \times \frac{s}{\sqrt{n}} \right)$

Substitute the values

confidence interval $= 939.5 \pm 3.499 \times \frac{1441.21}{\sqrt{8}} \right)$

confidence interval $= 939.5 - 3.499 \times \frac{1441.21}{\sqrt{8}} \right)$ to $= 939.5 + 3.499 \times \frac{1441.21}{\sqrt{8}} \right)$

Confidence interval $−843.396\$ to $2722.396$

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2 years ago

What is the slope to this graph?

natka813 [3]

Answer:
3

Explanation:
First to find the slope you need to find two points. I chose 1,4 and 2,7 . First you minus 7-4 (y) and then you minus 2-1 (x). Which would result in 3/1

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2 years ago

All numbers greater than or equal to 6

ExtremeBDS [4]

The correct answer is 3 and any number you can really think of that equals 6

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