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Anni [7]
3 years ago
15

The vertex of a parabola is at (-2,-3). When the y-value is -2, the x-value is -5. What is the coefficient of the squared term i

n the parabola's equation?
Mathematics
1 answer:
denis23 [38]3 years ago
4 0

Answer:

y=a(x+2)^{2} -3\\-2=a(-5+2)^{2} -3\\\frac{-2+3}{9} =a\\a=\frac{1}{9} \\

Step-by-step explanation:

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What Ln(z) is answer????!!
dimaraw [331]

Write <em>z</em> in exponential form:

z=1-i=\sqrt2 e^{-i\frac\pi4}

Then taking the logarithm, we get

\mathrm{Ln}(z)=\ln(\sqrt2) + \ln e^{-i\frac\pi4} = \boxed{\ln(\sqrt2)-\dfrac\pi4i}

so a is the correct answer.

3 0
3 years ago
Rob ate 3 cookies and drank 2 cups of milk. Barry ate 8 cookies and drank 1 cup of milk. Kevin ate 9 cookies and drank 4 cups of
harkovskaia [24]
<h3><u>Cookies</u></h3>

Rob: 3

Barry: 8

Kevin: 9

Let's add all of that up.

3 + 8 + 9

11 + 9

= 20 cookies total


<h3><u>Milk</u></h3>

Rob: 2

Barry: 1

Kevin: 4

Let's add this up.

2 + 1 + 4

3 + 4

= 7 cups of milk


They had 20 cookies and 7 cups of milk before they ate.

8 0
3 years ago
Read 2 more answers
What is 100/ 5 i need help asap
zepelin [54]

Answer:

20

Step-by-step explanation:

You can take a 0 off of 100.

10/5=2

Add the 0 back to the end

20 is your answer.

3 0
3 years ago
Find the volume of the solid. Use 3.14 for π.​
marta [7]

Answer:

<h2><em>vol= 10366.3175in²</em></h2>

<em></em>

Step-by-step explanation:

So this is a cylinder

<h2>formula: π r²h</h2>

R= 8.75in

h=43.12in

So it will be = 3.14x8.75²x43.12

=> 3.14x76.5625x43.12

3.14x 3301.375

<h2><em>10366.3175in²</em></h2>

<em></em>

<em>i think it is correct </em>

<em>.</em>

<em>stay safe</em>

<em>.</em>

<em>have a nice TIME</em>

3 0
2 years ago
Where common multiples between three and five and one and 50
Arlecino [84]
300 is a multiple of 3,5,1, and 50
5 0
3 years ago
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