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artcher [175]
3 years ago
15

Factor the polynomial 4x^2-16

Mathematics
2 answers:
Karolina [17]3 years ago
8 0

Answer:

4(x+2)4(x-2)

Step-by-step explanation:

Aleksandr [31]3 years ago
6 0

Answer: 4(x+2)(x-2)

Step-by-step explanation: Just use Math-way it really helps

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A ball is shot from a cannon into the air. The equation that's gives the height (h) of the ball of any time (t) is: h(t)= -16t^2
Gre4nikov [31]

Answer:

26.5 units

Step-by-step explanation:

The height of the ball at any time t is given by :

h(t)= -16t^2 + 40t + 1.5 ...(1)

We need to find the maximum height of the ball.

For maximum height, put \dfrac{dh}{dt}=0

i.e.

\dfrac{d( -16t^2 + 40t + 1.5)}{dt}=0\\\\-32t+40=0\\\\t=\dfrac{40}{32}\\\\t=1.25\ s

Put t = 1.25 in equation (1) to find the maximum height.

So,

h(t)= -16(1.25)^2 + 40(1.25) + 1.5\\\\=26.5\ units

So, the maximum height reached by the ball is 26.5 units.

4 0
3 years ago
a 120 -ft long playground is just 15 in. on the scale drawing. what is the scale on the scale drawling?
Scrat [10]
120 feet:15 inches.
As a result, the scale drawing is 8 ft:1 in. Hope it help!
4 0
3 years ago
Read 2 more answers
What's a word phrase for 3 (p+8)
Schach [20]
I hope that you are meaning: Algebraic Expression
5 0
4 years ago
The radius of a nitrogen atom is 5.6 × 10-11 meters, and the radius of a beryllium atom is 1.12 × 10-10 meters. Which atom has a
bazaltina [42]

Answer:

The beryllium atom; 1.99 times larger.

Step-by-step explanation:

The beryllium atom is 0.000000000112 meters, while the nitrogen atom is 0.000000000056 meters. So, the beryllium atom is larger than the other.

(1.12 * 10^-10) / (5.6 * 10^-11)

= (1.112 / 5.6) * (10^-10 + 11)

= 0.1985714286 * 10

= 1.985714286 * 10^0

So, the beryllium atom is about 1.99 times larger than the other.

Hope this helps!

7 0
4 years ago
In circle Q with m PQR = 82 and PQ = 5 units, find the length of arc PR.
horsena [70]
The answer is 1/4 ur welcome
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3 years ago
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