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3 years ago

The total height of three trees is 11 m Tree tree B , and tree B is half as tall as tree C How tall is tree A

Mathematics

1 answer:

Sloan [31]3 years ago

8 0

Answer:

{ The total height of 3 trees is 11m. Tree B, and Tree A (?) is half as tall as Tree C. How tall is Tree A? Sorry, i tried typing it out myself because i didnt understand what you meant when you typed that out... ;/ }

BUT. If the total height is 11, and Tree A is half of tree C. Then so Tree A is 5.5, because half of 11 is 5.5 .

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A local company makes a candy that is supposed to weigh 1.00 ounces. A random sample of 25 pieces of candy produces a mean of 0.

Firlakuza [10]

Answer: (0.994, 0.998)

Step-by-step explanation:

Given : Sample size : n= 25 < 30 , so we use t-test.

$\overline{x}=0.996\ \ ;\ s=0.004$

Critical t-value use for 98% confidence :

$t_{n-1,\alpha/2}=t_{24,0.01}=2.492$

Formula to find the confidence interval :-

$\overline{x}\pm t_{\alpha/2}(\dfrac{\sigma}{\sqrt{n}})$

i.e. $0.996\pm (2.492)(\dfrac{0.004}{\sqrt{25}})$

$=0.996\pm 0.0019936\approx0.996\pm0.002\\\\=(0.996-0.002,\ 0.996+0.002)\\\\=(0.994,\ 0.998)$

Hence, the required confidence interval : (0.994, 0.998)

6 0

3 years ago

I need help with number 50

Margaret [11]

volume = l x w x h

20.5 x 6 x 14 = 210 cubic inches

6 0

3 years ago

Show that each fn is bounded on A, but the pointwise limit f of the sequence is not bounded on A. Does (fn) converge uniformly t

ladessa [460]

Answer:

It seems your question is not complete, but i will asume it is like the one in the image.

Step-by-step explanation:

Answer at the image

4 0

3 years ago

** BRAINLIEST!! **

densk [106]

we have three sides, let's look at the two smaller sides first.

check the picture below atop

if we move the sides closer and ever closer to each other, to the extent that one is right on top of the other, what is the length of the red side? Well, assuming the two smaller sides are one pancaked on top of the other, the red side will be as long as 9 - 4 = 5. However, the sides can't be on top of each other, because if that's so, we have a flat-line, and thus we wouldn't have a triangle. So whatever the third side may be, it must be greater than 5.

check the picture below at the bottom

Now, if we move the sides away from each other, farther and farther to the extent that one is parallel to the other, then the third side will just be as long as 4 + 9 = 13. However, we can't do that, because if that were to happen, we again will have a flat-line and not a triangle. So whatever the third side may be, it must be less than 13.

4 0

2 years ago

Solve. High school pre-cal

Oliga [24]

Answer:

Answer: Quadrant 4

Step-by-step explanation:

Graph of Functions

Let's analyze the function

$\displaystyle y=\frac{x^2+3x}{x+1}$

To better understand the following analysis, we'll factor y

$\displaystyle y=\frac{x(x+3)}{x+1}$

For y to have points in the first quadrant, at least one positive value of x must produce one positive value of y. It's evident that any x greater than 0 will do. For example, x=1 will make y to be positive in the numerator and in the denominator, so it's positive

For y to have points in the second quadrant, at least one negative value of x must produce one positive value of y. We need two of the factors that are negative. It can be seen that x=-2 will make y as positive, going through the second quadrant.

For the third quadrant, we have to find at least one value of x who produces a negative value of y. We only need to pick a value of x that makes one or all the factors be negative. For example, x=-4 produces a negative value of y, so it goes through the third quadrant

Finally, the fourth quadrant is never reached by any branch because no positive value of x can produce a negative value of y.

Answer: Quadrant 4

8 0

3 years ago