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Vitek1552 [10]
3 years ago
9

1.

Mathematics
2 answers:
makvit [3.9K]3 years ago
6 0

Answer:

This is the form

y

=

m

x

+

b

Where

m

x

is the slope and the

b

value is the y-intercept

First plot the

b

value in this case it is -5

Then from that point

(

0

,

−

5

)

use the slope to find the other points

S

l

o

p

e

=

r

i

s

e

r

u

n

Rise translates to the amount of units "up or down" you go

Up = Positive

Down = Negative

Run translates to the amount of units "left or right" you go

Left = Negative

Right = Positive

So starting from the point

(

0

,

−

5

)

go up 4 units and right 1 unit or down 4 and left 1 unit since they both make the slope of 4 -->

(

4

1

)

and

(

−

4

−

1

)

I hope that is a better answer

Step-by-step explanation:

Plz brainliest

Over [174]3 years ago
5 0

Answer:

This is the form y=mx+bWhere mx is the slope and the b value is the y-interceptFirst plot the b value in this case it is -5Then from that point (0,−5) use the slope to find the other pointsSlope=riserunRise translates to the amount of units "up or down" you goUp = PositiveDown = NegativeRun translates to the amount of units "left or right" you goLeft = NegativeRight = PositiveSo starting from the point (0,−5) go up

Step-by-step explanation:

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Step-by-step explanation:

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23 + x + 90 = 180

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x = 67 degrees

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A stone is launched into the air from a height of 240 feet. The height, h, of the stone, in feet, t seconds after launch is give
rosijanka [135]

A projectile is an object <u>launched</u> into space, and moving under the <em>influence</em> of <u>gravity</u> and <u>momentum</u>. The <em>stone</em> here is an example. Thus, the <em>time</em> taken for the stone to reach the ground is 10 seconds.

On <em>launching</em> of the stone into <u>space</u>, it behaves as a <u>projectile</u>. Thus moving under the <em>influence</em> of gravity and its momentum. Its <u>momentum</u> is the <em>product</em> of its <u>mass </u>and <u>velocity</u>.

The height h, is given as:

h = 16t^{2} + 32t + 240

Differentiating the expression with respect to t, we have;

32t + 32 = 0

t = -1 seconds

Substitute the value of time, t, in the equation for the height;

h = 16 - 32 + 240

  = 224

h = 224 m

Total height, S = 240 + 224

                         = 464

S = 464 m

The total height covered by the stone is 464 m.

From the second equation of <em>free fall</em>,

S = Ut + \frac{1}{2}gt^{2}

S = \frac{1}{2}gt^{2}

464 = \frac{1}{2}*9.8*t^{2}

t^{2} = \frac{928}{9.8}

  = 94.694

t = \sqrt{94.694}

 = 9.7311

t ≅ 10 seconds

The <em>time taken</em> for the stone to hit the ground is 10 seconds.

Thus option A is the required answer.

Visit: brainly.com/question/13834669

7 0
2 years ago
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