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emmainna [20.7K]
2 years ago
15

Https://pad let.com/chosenmcdonald/m6geceexz50r32nk how does the economy in the 1700s work

Mathematics
1 answer:
PtichkaEL [24]2 years ago
6 0
Mercantilism or laissez faire capitalism
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A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t)=72t-16t^2. What is the
irakobra [83]

Answer:

The maximum height that the ball will reach is 81 ft

Step-by-step explanation:

Note that the tray of the ball is given by the equation of a parabola of negative main coefficient. Then, the maximum value for a parabola is at its vertex.

For an equation of the form

at ^ 2 + bt + c

So

the t coordinate of the vertice is:

t =-\frac{b}{2a}

In this case the equation is:

h(t)=72t-16t^2

So

a=-16\\b=72\\c=0

Therefore

t =-\frac{72}{2(-16)}

t=2.25\ s

Finally the maximum height that the ball will reach is

h(2.25)=72(2.25)-16(2.25)^2

h=81\ ft

8 0
3 years ago
What is the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4) ?
maxonik [38]
ANSWER

y + 5= - \frac{9}{11} (x-3)

or

y - 4= - \frac{9}{11} (x + 8)

EXPLANATION

We want to find the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4).

The point-slope form is given by;

y-y_1=m(x-x_1)

where

m = \frac{4 - - 5}{ - 8 - 3} = \frac{4 + 5}{ - 11} = - \frac{9}{11}

is the slope of the line.

If

(x_1,y_1)=(3,-5)

The point-slope form is

y + 5= - \frac{9}{11} (x-3)

On the other hand, if
(x_1,y_1)=( - 8,4)

Then the point-slope form is,

y - 4= - \frac{9}{11} (x + 8)

These two equations are the same when simplified.
4 0
3 years ago
Which two triangles are congruent? Complete the congruence statement.​
Paladinen [302]

answer:

△DEF ≅ △VTU

step-by-step explanation:

  • when you compare the figures, you will see how △DEF and △VTU look very similar, while the other one looks different in size
  • another thing is that they have two congruent sides, and one congruent angle which fulfills the SAS triangle congruence theorem
4 0
3 years ago
5. What is the volume of the geometric solid produced by the triangle below when it is
IgorLugansk [536]

The diagram of the triangle is missing, so i have attached it.

Answer:

Surface area = 9.425 sq.units

Step-by-step explanation:

When a triangle having an interior angle as 30°, 60° or 90° is rotated, then a cone is formed.

Thus, we need to find the surface area of the cone.

Surface area of a cone is πr ² + πrL

where;

r = radius of the cone

L = slant height of the cone

I have attached the cone formed as the second image.

Looking at the image of the cone, we need to find the radius and slant height.

From the triangle image, we can use trigonometric ratios;

tan 30 = BC/AB

In surd form, BC/AB = 1/√3

Thus, BC is equivalent to 1 and AB equivalent to √3

Using Pythagoras theorem, we can find AC.

(AC)² = (AB)² + (BC)²

AC = √[(AB)² + (BC)²]

AC =√[(√3)² + (1)²]

AC = √[3 + 1]

AC = √4

AC = 2

So, radius, r corresponds to BC = 1

And slant height L corresponds to AC = 2.

Thus,r = 1 and L = 2

So,

Surface area of cone = π(1)² + π(1)(2) = π + 2π = 9.425 sq.units

5 0
3 years ago
X^4-3x+1+4x^2-2x+8+x^3-9
Mariulka [41]

Answer:

??confusion I'm so confused

8 0
3 years ago
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