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maw [93]
3 years ago
9

76225÷309 with remainder

Mathematics
1 answer:
Marianna [84]3 years ago
8 0
The answer is <span>246.682848</span>
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HELP ASAP PLSS!<br><br><br> f(x) = 12x + 5<br><br> find f(11)<br><br><br> f(11) =
loris [4]

F(11) means to replace x in the equation with 11

12(11) + 5

12 x 11 = 132

Now you have 132 + 5 = 137

F(11) = 137

5 0
4 years ago
given that oa=2x+9y ob=4x+8y and cd= 4x-2y, explain the geometrical relationships between the straight lines ab and cd mathswatc
tangare [24]

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Step-by-step explanation:

Let us revise some notes:

  • If a line is drawn from the origin and passes through point A (a , b), then the equation of OA = ax + by
  • If a line is drawn from the origin and passes through point B (c , d), then the equation of OB = cx + dy
  • To find the equation of AB subtract OB from OA, then AB = (c - a)x + (d - b)y
  • The slope of line AB = \frac{-coefficient(x)}{coefficient(y)}

∵ oa = 2 x + 9 y

∵ ob = 4 x + 8 y

∵ ab = OB - OA

∴ ab = (4 x + 8 y) - (2 x + 9 y)

∴ ab = 4 x + 8 y - 2 x - 9 y

- Add like terms

∴ ab = (4 x - 2 x) + (8 y - 9 y)

∴ ab = 2 x + -y

∴ ab = 2 x - y

∵ The slope of ab = \frac{-coefficient(x)}{coefficient(y)}

∵ Coefficient of x = 2

∵ Coefficient of y = -1

∴ The slope of ab = \frac{-2}{-1}=2

∵ cd = 4 x - 2 y

∵ Coefficient of x = 4

∵ Coefficient of y = -2

∴ The slope of cd = \frac{-4}{-2}=2

∵ Parallel lines have same slopes

∵ Slope of ab = slope of cd

∴ ab // cd

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Learn more;

You can learn more about the parallel lines in brainly.com/question/10483199

#LearnwithBrainly

4 0
3 years ago
Suppose that the sitting​ back-to-knee length for a group of adults has a normal distribution with a mean of mu equals 22.1 in.
nadya68 [22]

Answer:

Step-by-step explanation:

Given that  the sitting​ back-to-knee length for a group of adults has a normal distribution with a mean of mu equals 22.1 in. and a standard deviation of sigma equals 1.2 in.

We have to find values of x such that

P(X\geq a) \leq 0.01\\ and

P(X\leq b) \leq 0.01

a=2.33 and b =-2.33 as z values

Let us convert to X values

x=22.1-2.33(1.2) \\x=22.1+2.33(1.2)\\

i.e. values below 19.304 and above 25.496

Hence for x below 19.304 and above 25.496 are significantly low and high.

24.2 length is not significantly high.

4 0
3 years ago
Unoccupied seats on flights cause airlines to lose revenue. Suppose a large airline wants to estimate its average number of unoc
Len [333]

Answer: 3

Step-by-step explanation:

Given : Standard deviation : \sigma=4.1\text{ seats}

Margin of error : E=\pm5\text{ seats}

Significance level : \alpha: 1-0.95=0.05

By using the standard normal table of z ,

Critical value : z_{\alpha/2}=1.96

The formula we use to find the minimum sample size required :-

n=(\dfrac{z_{\alpha/2}\ \sigma}{E})^2

i.e. n=(\dfrac{(1.96)(4.1)}{5})^2=2.58309184\approx3

Hence, the number of lights should we select if we wish to estimate μ to within 5 seats and be 95 percent confident =3

6 0
3 years ago
3x^2-5=43 how do i solve this using the square root property
slava [35]

Answer:

x = 4

x = -4

Step-by-step explanation:

bro i dont know but i hope this help a little, sorry

4 0
4 years ago
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