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Nana76 [90]
2 years ago
10

If f(x) = (3 + x) (x-3) what is f(a + 2)?

Mathematics
1 answer:
ipn [44]2 years ago
5 0

Answer:

(a^2)+4a-5

Step-by-step explanation:

(3+a+2)(a+2-3)

(a+5)(a-1)

use FOIL or box method

5a-5+(a^2)-a simplifyes to

(a^2)+4a-5

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In the circus, a lion has been trained to jump through a ring of fire that has a radius of 1 meter. What is the ring's circumfer
kramer

A circle is a curve sketched out by a point moving in a plane. The circumference of the ring of fire is 6.2831 meters.

<h3>What is a circle?</h3>

A circle is a curve sketched out by a point moving in a plane so that its distance from a given point is constant; alternatively, it is the shape formed by all points in a plane that are at a set distance from a given point, the centre.

The circumference of the ring if the radius is 1 meter is,

Circumference of the ring = 2πr = 2 × π × 1 = 6.2831 meters

Hence, the circumference of the ring of fire is 6.2831 meters.

Learn more about Circle:

brainly.com/question/11833983

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5 0
2 years ago
Find the value of the expression (3x−12)+12(xy−10)(3x-12)+12(xy-10) for x=4x=4 and y=6y=6 .
Allisa [31]
(3x-12)+12(xy-10), x=4, y=6
(3(4)-12)+12((4)(6)-10)
(12-12)+12(24-10)
0+12(14)
12*14=168
6 0
3 years ago
3. (5 + 2) = (3 . 5) + (3 . 2) *
UNO [17]

Answer:

C) Distributive Property

Step-by-step explanation:

You're <em>distributing</em> in the 3 when you multiply it by the 5 and the 2 in the algebraic process:

 ➦  ➦

3•(5 + 2) = (3 • 5) + (3 • 2)

So, the 3 was <em>distributed</em> between the 5 and 2 when you multiplied.

Hence, this is the distributive property.

8 0
3 years ago
Secant TQ and tangent TR intersect at point T. Chord SR and chord PQ intersect at point V. Find the values of x and y. If necess
san4es73 [151]

Answer:

x=4, y=9.6

Step-by-step explanation:

Using Theorem of Intersecting Secant and Tangent

TP X TQ=TR^2

9(9+12+x)=15^2\\9(21+x)=225\\189+9x=225\\9x=225-189\\9x=36\\x=4

Next, we apply Theorem of Intersecting Chords

SV X VR=PV X VQ

5 X y = x X 12

Recall: x=4

5y=4 X 12

5y=48

y=48/5=9.6

Therefore: x=4, y=9.6

4 0
3 years ago
PLEASE HELP!!! K Is the midpoint of JL Find JK,LK and JL
Naya [18.7K]

Answer:

6x+1 = 8x - 7

8 = 2x

x = 4

JK = 6*4+1 = 25

KL = 8*4 - 7 = 25

3 0
3 years ago
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