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3 years ago

PLS HELP ME GUYS, HELP ME WITH MY GEOMETRY PLS

Mathematics

2 answers:

MaRussiya [10]3 years ago

7 0

Answer:

The x would equal 25

Step-by-step explanation: x equals 25 because you need to use Pythagorean Theorem to find the hypotenuse.

Nady [450]3 years ago

7 0

Answer:

Step-by-step explanation:

Using Pythagorean Theorem, which states that:

$a^2+b^2=c^2$

Where a, b, c denote the side lengths of a right-angled triangle and c is the hypotenuse.

$24^2+7^2=x^2\\\sqrt{24^2+7^2}=x$

(No negative solution as it is a length)

$\sqrt{576+49}=x\\\sqrt{625}=x\\x=25$

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At a meeting with 25 businessmen, twelve businessmen drank coffee, and ten businessmen drank tea. Five businessmen drank both co

likoan [24]

Answer:

Step-by-step explanation:

25 total people

5 drank coffee and tea

tea drinkers only : 10 - 5 = 5

coffee drinkers only : 12 - 5 = 7

total people who drank anything : 7 + 5 + 5 = 17

number of people who drank neither : 25 - 17 = 8 <=====

4 0

3 years ago

If anyone could pls help!!

Darya [45]

Answer: 32x^1/2y^2

Step-by-step explanation:

Multiply 64 times 1

64xy^4/2

Then divide 64 by 2

32x1/2y^2

8 0

3 years ago

Marine scientists categorize signature whistles of bottlenose dolphins by typelong dash—type a, type b, type c, etc. In one s

r-ruslan [8.4K]

Answer:

The 95% confidence interval for the true proportion of bottlenose dolphin signature whistles that are type a whistles is (0.4687, 0.6123).

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:

$n = 185, \pi = \frac{100}{185} = 0.5405$

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:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5405 - 1.96\sqrt{\frac{0.5405*0.4595}{185}} = 0.4687$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5405 + 1.96\sqrt{\frac{0.5405*0.4595}{185}} = 0.6123$

The 95% confidence interval for the true proportion of bottlenose dolphin signature whistles that are type a whistles is (0.4687, 0.6123).

3 0

3 years ago

Which of the following is the equation for the graph shown?a. x^2/144+y^2/95=1b. x^2/144-y^2/95=1c. x^2/95+y^2/144=1d. x^2/95-y^

Andrews [41]

e follSOLUTION

Given the question in the image, the following are the solution steps to answer the question

STEP 1: Write the general equation of an ellipse

$\frac{\mleft(x-h\mright)^2}{a^2}+\frac{(y-h)^2}{b^2^{}}=1$

STEP 2: Identify the parameters

the length of the major axis is 2a

the length of the minor axis is 2b

$\begin{gathered} 2a=24,a=\frac{24}{2}=12 \\ 2b=20,b=\frac{20}{2}=10 \end{gathered}$

STEP 3: Get the equation of the ellipse

$\begin{gathered} By\text{ substitution,} \\ \frac{(x-h)^2}{a^2}+\frac{(y-h)^2}{b^2}=1 \\ \frac{(x-0)^2}{12^2}+\frac{(y-0)^2}{10^2}=1=\frac{x^2}{144}+\frac{y^2}{100}=1 \end{gathered}$

STEP 4: Pick the nearest equation from the options,

Hence, the equation of the ellipse in the image is given as:

$\frac{x^2}{144}+\frac{y^2}{95}=1$

OPTION A

8 0

1 year ago

A chemist is researching different sustainable fuel sources. She is currently working with benzene, which must be in liquid form

White raven [17]

Answer:

Quieres ser mi novia.. Hermosa.. MI estrella fugaz

Step-by-step explanation:

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7 0

3 years ago