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Harrizon [31]
3 years ago
12

PLSPLSPLS HURRYY

Mathematics
1 answer:
AleksandrR [38]3 years ago
3 0
Y=8x+50 for your equation then plug in 370 to y to get how much fencing he bought.

370=8x+50 (then subtract 50)
320=8x (then divide by 8)
40=x (answer)

EQUATION: y=8x+50
He bought 40 feet worth of fence
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Which of these frequency counts would be represented by the smallest number of dots on a dot plot?
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ANSWER

a. 6

EXPLANATION

On a dot plot , we use dots to represent frequencies.

The frequency 6, is represented by 6 dots.

The frequency 7, is represented by 7 dots.

The frequency 9, is represented by 9 dots.

The frequency 8, is represented by 8 dots.

The smallest number of dots is represented by 6.

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Pepper Jackie Has 7.5 bags of mulch to cover 12yds2 is edible flowers beds. If she wants to distribute the mulch evenly over the
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In 2010, the world's largest pumpkin weighed 1,810 kilograms. An average-sized pumpkin weighs 5,000 grams.
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A model rocket is launched with an intitial upupward velocity of 202 ft/s. The rocket’s height h (in feet) after seconds is give
dsp73

Given that the height of a object thrown within a gravitational field is given as a quadratic equation in time, <em>t</em>, the time at which the object is at a specified height can be found by the quadratic formula

The values of, <em>t</em>, for which the height of the rocket is 82 feet are;

t = 12.21 seconds or t = 0.42 seconds

Question: <em>Parts of the question that appear missing but can be found online are (i) To find the values of the time, t, when the rocket's height is 82 feet and round answers to the nearest hundredth</em>

The known parameters of the rocket are;

The initial upward velocity of the rocket, v = 202 ft./s

The given function representing the height, <em>h</em>, (in feet) after <em>t</em> seconds is presented as follows;

H = 202·t - 16·t²

The unknown;

The time for which the height of the rocket is 82 feet

Method;

Substitute H = 82 feet in the height function equation and solve for <em>t</em> as follows;

When H = 82, we get;

82 = 202·t - 16·t²

Therefore;

16·t² - 202·t + 82 = 0

Dividing the above equation by <em>2</em> gives;

(16·t² - 202·t + 82)/2 = 0/2

8·t² - 101·t + 41 = 0

By using the quadratic formula, we get;

\mathbf{t = \dfrac{101 \pm \sqrt{(-101)^2 - 4 \times 8 \times 41} }{2 \times 8}  =  \dfrac{101 \pm \sqrt{8889} }{16}}

Therefore, the values of <em>t</em> given by rounding off to the nearest hundredth are;

t = 12.21 or t = 0.42

The values of the time, <em>t</em>, at which the height of the rocket is 82 feet are t = 12.21 seconds or t = 0.42 seconds

Learn more about equation models of height as a function of time here;

brainly.com/question/84352

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$1,000,000 Question: Answer these algebra problems
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What I meant was, which ones do you need and could you take a picture in better lighting? I can't see it all the way.
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