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Lynna [10]
4 years ago
7

Which is shortest 0.81m 1.08m 0.8m 180cm 18cm

Mathematics
1 answer:
UkoKoshka [18]4 years ago
5 0
I belive its 18cm,,,,,,,,,,,,,,,,,,,,,,,,,,,,
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PLZ HURRY IT'S URGENT!!!
Marrrta [24]

Answer:

D. -3

Step-by-step explanation:

Add all numbers together = -15

then divide by the numbers of numbers = 5

= -3

6 0
3 years ago
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Which of the following equations is used to find the value of c (the distance to the foci) for an ellipse? 
Reika [66]

The equation of ellipse:

\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1

The formula of c (the distance to the foci)

c^2=a^2-b^2\qquad|\text{add}\ b^2\ \text{to the both sides}\\\\c^2+b^2=a^2

<h3>Answer: c² + b² = a²</h3>
4 0
3 years ago
I need to find the value of x and BC if B is between C and D<br><br> CB=4X-9, BD= 3X+5, and CD = 17
Rainbow [258]

It is given in the question that B is in between C and D.

Therefore

CB+ BD = CD

Substituting the given values of CB,BD and CD, we will get

4x-9+3x+5=17

Combining like terms, we will get

7x-4=17

Now we need to move 4 to the right side by adding 4 to both sides, that is

7x = 21&#10;\\&#10;x=3

5 0
4 years ago
Pythagorean theorem A=8 B=? C=17
QveST [7]

\text{Solve for b:}\\\\\text{Pythagorean Theorem:}\\\\a^2+b^2=c^2\\\\\text{Plug in and solve:}\\\\8^2+b^2=17^2\\\\64+b^2=17^2\\\\64+b^2=289\\\\\text{Subtract 64 from both sides}\\\\b^2=225\\\\\text{Square root both sides}\\\\\sqrt{b^2}=\sqrt{225}\\\\\boxed{b=15}

7 0
4 years ago
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Please help me, i need help on this!!!! thx
Murrr4er [49]

Check the picture below.

\bf \textit{ellipse, horizontal major axis} \\\\ \cfrac{(x- h)^2}{ a^2}+\cfrac{(y- k)^2}{ b^2}=1 \qquad \begin{cases} center\ ( h, k)\\ vertices\ ( h\pm a, k) \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} h=0\\ k=0\\ a=3\\ b=2 \end{cases}\implies \cfrac{(x-0)^2}{3^2}+\cfrac{(y-0)^2}{2^2}=1\implies \cfrac{x^2}{9}+\cfrac{y^2}{4}=1

6 0
4 years ago
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