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4 years ago

43.6 in word formmmmmmmmmmmmmm

Mathematics

2 answers:

Anit [1.1K]4 years ago

3 0

I would say forty three and six tenths.

Ilia_Sergeevich [38]4 years ago

3 0

The answer would be forty three and 6 tenths

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The height, h, in feet of a ball above the ground is given by h = −16t2 + 64t + 80, where t is the time in seconds. How long doe

Gwar [14]

Answer:

t = 5 seconds

Step-by-step explanation:

It is given that, the height h, in feet of a ball above the ground is given by :

$h=-16t^2+64t+80$

Where t is in seconds

We need to find how long does it take the ball to hit the ground? When it hits the ground, its height will be equal to 0. So,

$-16t^2+64t+80=0\\\\t=\dfrac{-64\pm \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=\dfrac{-64+ \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16},\dfrac{-64-\sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=-1\ s\ \text{and}\ t=5\ s$

Neglecting negative time.

It means ball will take 5 seconds to hit the ground.

3 0

3 years ago

Find t° in the right<br> triangle<br> T°<br> 52°

alexira [117]

Maybe you could be more specific!

6 0

3 years ago

a small bar of gold is a rectangular prism that measures 40 millimeters by 25 millimeters by 2 millimeters. one cubic millimeter

guajiro [1.7K]

Step One
Find the Volume in ccs.

V= l*w*h
l =40 mm
w = 25 mm
h = 2 mm
V = 40*35 * 2
V = 2800 mm^3

Step Two
Find the weight
1 mm^3 = 0.0005
2800 mm^3 = x <<<<< answer 1

$\frac{1}{2800} = \frac{0.0005}{x}$ Cross multiply.

1x = 2800 * 0.0005
x = 1.4 ounces. <<<<< answer 2

9 0

4 years ago

What is 7/8 - 1/4 in simplest form?

Stells [14]

Answer: 5/8

Step-by-step explanation:

You could convert 1/4 to 2/8 because the numbers you're subtracting have a common factor of 2. After subtracting 2/8 from 7/8, you're left with 5/8.

4 0

2 years ago

Read 2 more answers

Construct a quadrilateral ABCD, AB = 4cm BC = 3cm,<br> AD= 2.5cm, AC= 4.5cm, BD= 4cm.

hammer [34]

Answer:

steps below

Step-by-step explanation:

1. use ruler to draw a segment of 4 units AB

2. center the compasses needle at A and draw arc with radius of 5 and intersect with another arc centered at B with radius of 3 at point C

3. center the compasses needle at B and draw arc with radius of 4.5 and intersect with another arc centered at A with radius of 2.5 at point D

4. connect BC, CD and AD to form quadrilateral ABCD

6 0

3 years ago