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Elena L [17]
2 years ago
9

(08.01)

Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
5 0
The list is needed in order to solve the problem, Im sorry but I can’t do anything with this information
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The quadratic function d= -4x+1,100 models a snowboarder's distance, in feet, from the bottom of a hill x seconds after the snow
Fynjy0 [20]

Answer:

16 seconds (Approximately)

Step-by-step explanation:

Given:

The function that gives the distance of snowboarder from the bottom of hill with time 'x' is:

d=-4x^2+1100

Final position of the snowboarder is d=100\ ft

Now, plugging in 100 for 'd' and solving for 'x', we get:

100=-4x^2+1100

Adding -1100 both sides, we get:

100-1100=-4x^2+1100-1100\\-1000=-4x^2

Dividing both sides by -4, we get:

\frac{4x^2}{4}=\frac{1000}{4}\\x^2=250

Taking square root and neglecting the negative root as time can't be negative. So,

\sqrt{x^2}=\sqrt{250}\\x=5\sqrt{10}=15.8\ s\approx 16\ s

Therefore, after 16 seconds, the snowboarder will be at a distance of 100 ft from bottom of hill.

7 0
3 years ago
Help me please!!!!! I need help with angles
Salsk061 [2.6K]

Answer:

<CFE = 28

<RPQ = 53

Step-by-step explanation:

1)

<CFE + 152 = 180

<CFE = 180 - 152

<CFE = 28

2)

Complementary means the angles add up to 90 so:

<RPQ + 37 = 90

<RPQ = 90 - 37

<RPQ = 53

4 0
2 years ago
A 1 3/4 kg fish weighed 1 3/16 kg after it was cleaned. how much was the decreased in weight of the fish.​
joja [24]

Answer:

b) Excessive water or water in the root zone can decrease ... ¼ 1, 240kg/ha. Crop price ¼ Ya р Ю $/kg р. Ю ¼ 1,240 kg/ha 0.9 р Ю ¼ $1, 116. WC ¼ $/m3.

180 pages

Step-by-step explanation:

7 0
2 years ago
What is the equation to this graph????
Harman [31]

Answer:

y=3x

Step-by-step explanation:

The slope of this graph is 3.

6 0
3 years ago
Read 2 more answers
Two consecutive integers whose sum is -31
Gnesinka [82]

Answer:

- 15, - 16

Step-by-step explanation:

-15 + (-16) = - 15 - 16 = - 31

7 0
3 years ago
Read 2 more answers
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