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Marat540 [252]
3 years ago
8

Extra points!!no links tho

Mathematics
1 answer:
Naddik [55]3 years ago
5 0

Answer:

<h3>              a. the  vertex represents a minimum point</h3><h3>              b.  f(x) = (x + 5)² - 5</h3>

Step-by-step explanation:

a.

a = 1 > 0  ← that means the parabola opens up, so the vertex is minimum of the function

b.

  f(x)=x^2+10x+20\\\\f(x)=\underline{x^2+10x+25} - 25+20\\\\f(x)=(x+5)^2-5

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The area of the trapezoid
ELEN [110]

Answer:

<h2>A = 82.5 in²</h2>

Step-by-step explanation:

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

b₁, b₂ - bases

h - height

We have b₁ = 10in, b₂ = 5in and h = 11in. Substitute:

A=\dfrac{10+5}{2}\cdot11=\dfrac{15}{2}\cdot11=7.5\cdot11=82.5\ in^2

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3 years ago
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denpristay [2]
In Trigonometey, the radian measure of an angle theta is the length of an arc that subtends in a circle of radius having a formula of circumeference divided by 2xpi and that the ratio 2pi and the circumference over the radius is called tha radian measure.
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3 years ago
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What is the answer for this question?
Aloiza [94]

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Well I can give you advice, so first ask yourself if you actually read the whole problem. Did you? okay then make sure you've looked closely at the data table. What does it mean? Then try to put it all together and see if you can figure it out yourself, and if your stuck then I would suggest coming back.

Step-by-step explanation:

8 0
3 years ago
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Let x be the jug, \frac{1}{2} for half-filled, y for the weight of the jug when empty.

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