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Paha777 [63]
3 years ago
14

If the length of a rectangle is increased by 20% and the width of the rectangle is decreased by 10%, what is the percent increas

e of the area of the rectangle
Mathematics
1 answer:
adell [148]3 years ago
8 0
I believe it would be 10%
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A ball is thrown straight up from the top of a building 124 ft tall with an initial velocity of 64 ft per second. The height s(t
algol13

Answer:

246 ft is the maximum height

Step-by-step explanation:

The height h given above is a quadratic function. The graph of h as a function of time t gives a parabolic shape and the maximum height h occur at the vertex of the parabola. For a quadratic function of the form h = a t² + bt + c, the vertex is located at t = - b / 2a. Hence for h given above the vertex in the question s(t) = 124 + 64t − 16t², is at t

t = -64/2(-16) = 64/32 = 2 seconds

Thus, 2 seconds after the object was thrown, it reaches its highest point (maximum value of h) which is given by

h = -16(2)² + 64 (2) + 124 = 246eet

6 0
3 years ago
What is the Volume of the square pyramid? (Round to the nearest tenth as needed)
GrogVix [38]
<h3><u>given</u><u>:</u></h3>

base= 25mm

height= 28mm

<h3><u>to</u><u> </u><u>find</u><u>:</u></h3>

the volume of the pyramid.

<h3><u>solution</u><u>:</u></h3>

v= a^2 h/3

v= 25^2 28/3

v= 5833.33333

v= 5833.3mm^3

8 0
2 years ago
Read 2 more answers
Is 1/2(2p+9)=-p+5 a one solution or infinite solution or no solution​
vitfil [10]

Your inequality has one solution which is p = 1/4

4 0
2 years ago
Write the equation in standard form for the circle with center (0, – 10) and radius 6.
Artemon [7]

Answer:

Equation of circle in standard form with centre (0, – 10) and radius 6. \mathbf{x^2+(y+10)^2=36}

Step-by-step explanation:

We need to write equation of circle in standard form with centre (0, – 10) and radius 6.

The equation of circle is: (x-h)^2+(y-k)^2=r^2

where (h,k) is centre of circle and r is radius

We are given centre (0,-10) so, h=0, k=-10 and radius r = 6

Putting values and finding equation:

(x-h)^2+(y-k)^2=r^2\\(x-0)^2+(y-(-10))^2=(6)^2\\x^2+(y+10)^2=36

So, equation of circle in standard form with centre (0, – 10) and radius 6. \mathbf{x^2+(y+10)^2=36}

5 0
3 years ago
Please please help me please
MAVERICK [17]

Answer:

1st option is the answer

Step-by-step explanation:

blue line:  slope is 1 and y-intercept is 1; therefore equation is y= x + 1

red line:  slope is -1 and y-intercept is -3; therefore equation is y= -x - 3

7 0
3 years ago
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