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nikdorinn [45]
3 years ago
15

Given n(t) = -2(t+5)2 +4, find n(-8).

Mathematics
1 answer:
fiasKO [112]3 years ago
4 0

Answer:

n(-8)=16 is the answer

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Find the solution for the quadratic equation by completing the square.<br> x^2+18x=63​
vekshin1

Good evening ,

Answer:

<h2>x = 3   or   x = -21</h2>

Step-by-step explanation:

x²+18x=63 ⇌ x²+18x+81 = 63 + 81

⇌ (x+9)² = 144  ⇌ (x+9)² = 12² ⇌ (x+9-12)(x+9+12) = 0

⇌ (x-3)(x+21) = 0

⇌ x=3 or x=-21.

:)

5 0
3 years ago
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Identify the slope and y-intercept of the function y = -2x + 3. O A. The slope is 3. The y-intercept is (0,2). OB. The slope is
monitta

Since the slope-intercept form of a line is given by the expression:

y=mx+b

Where, m is the slope and b is the y-intercept.

Then, for the function:

y=-2x+3

The slope is -2 and the y-intercept is (0, 3)

7 0
1 year ago
An object has a volume of 7cm³ and a mass of 56g. What is its density in g/cm³?
Nastasia [14]

Answer:8

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5 0
3 years ago
Sandy gave a high five to 2 of her friends. Each of her friends gave a high five to 2 more friends who each gave a high five to
anzhelika [568]

Answer:

It is the first graph

Step-by-step explanation:

You graph each point and it appears the same way

7 0
3 years ago
What is the geometric mean of 30 and 6
Alik [6]
Since we have 2 numbers, we'll be square rooting.

All we have to do to find the mean is multiply & square root the products.

30 × 6 = 180

\sqrt{180} = 13.42

You can use the same process and check my answer if you'd like; I rounded the square root, so you may get a different answer.
6 0
3 years ago
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