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Lady_Fox [76]
3 years ago
11

3b^2+8b+10+2b^2+5b-5 Simplify the expression by combining like terms

Mathematics
1 answer:
WITCHER [35]3 years ago
3 0

Step-by-step explanation:

9b^2+8b+10+4b^2+5b-5

13b^2+13b+5

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Answer:

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Step-by-step explanation:

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The path of a football kicked by a field goal kicker can be modeled by the equation y = –0.03x2 + 1.53x, where x is the horizont
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This is the equation of an upside down parabola, so the maximum height will be at the vertex. To find the vertex, we'll use the formula for the x-coordinate and then solve for the y-coordinate.
x=\frac{-1.53}{2*-.03}=25.5

Plugging this into the given formula:
y=-0.03(25.5)^2+1.53(25.5)=19.5075
Since it asks us to round, the maximum height would be 20 yards. To find how far the football travels in total, we need to set the equation equal to 0 and find the roots:
0=-0.03x^2+1.53x=x(-0.03x+1.53)

Then by the zero product property (or the no zero divisors rule), we have:
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So the ball travels 51 yards in total.
4 0
3 years ago
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Why does the formula for area of a triangle makes sense.
galben [10]

Answer: bh=4×5=20b, h, equals, 4, times, 5, equals, 20 square units, so the area of the triangle is \dfrac 12 bh = \dfrac 12 \times 4 \times 5 = 10

2

1

​

bh=

2

1

​

×4×5=10start fraction, 1, divided by, 2, end fraction, b, h, equals, start fraction, 1, divided by, 2, end fraction, times, 4, times, 5, equals, 10

Step-by-step explanation:

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The association placed a track marker on the ground every four hundred yards. Every 900 yards, the association put up a water st
Fittoniya [83]

Answer:

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Step-by-step explanation:

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