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Nitella [24]
3 years ago
7

Sarina throws a ball up into the air, and it falls on the ground nearby. The ball's height, in feet, is modeled by the function

ƒ(x) = –x2 – x + 3, where x represents time in seconds. What's the height of the ball when Sarina throws it? Question 4 options: A) 4 feet B) 1 foot C) 3 feet D) 2 feet
Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0

Answer:

Sarina throws a ball up into the air, and it falls on the ground nearby. The ball's height, in feet, is modeled by the function ƒ(x) = –x2 – x + 3, where x represents time in seconds. What's the height of the ball when Sarina throws it? Question 4 options: A) 4 feet B) 1 foot C) 3 feet D) 2 feet

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Simplify square root 3y diviede by square root of y​
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Answer:

Step-by-step explanation:

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18.
skad [1K]

9514 1404 393

Answer:

  a) 10(3x+2) ≤ 140; x ≤ 4

  b) no

Step-by-step explanation:

a) The area is the product of length and width. We want that product to be no greater than 140:

  10(3x +2) ≤ 140 . . . . your inequality

We can solve this by dividing by 10 first.

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__

b) If the length were 15, the area would be 10×15 = 150, which is greater than 140. The length cannot be 15 if the area is at most 140.

6 0
3 years ago
How do know what the perimeter is and how to solve it
oee [108]
The perimeter is all the sides added up.

s1+s2+s3+s4= p

So, 12+ 6+ 8+ 17= the perimeter.

12+6+8+17 = 43

The answer is 43.

I hope this helps!
~cupcake
8 0
3 years ago
Help please I'm stuck on this question
oee [108]

Answer:

120 y2

Step-by-step explanation:

The floor consists of a square and a triangle

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Here b = 4 and h = 10 , then

area =  × 4 × 10 = 2 × 10 = 20 yd²

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8 0
2 years ago
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