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Grace [21]
3 years ago
11

What is the product of (3a 2)(4a2 – 2a 9)?12a3 − 2a 1812a3 6a 912a3 − 6a2 23a 1812a3 2a2 23a 18

Mathematics
2 answers:
timama [110]3 years ago
5 0
To get the product of (3a + 2) and (4a² - 2a + 9), we can apply the rules of distribution over multiplication and have 3a(4a² - 2a + 9) + 2(4a² - 2a + 9) 12a³ - 6a² + 27a + 8a² - 4a + 18 Adding like terms of the same degree, we can simplify it into 12a³ + 2a² + 23a + 18 Therefore, the answer is D<span>. </span>
liq [111]3 years ago
3 0

Answer: D. 12a^3 + 2a^2 + 23a + 18

Step-by-step explanation: This answer is 100% correct for edge.nuity.

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What’s the ratio also
dem82 [27]

Answer:

3cm³:20cm³

Step-by-step explanation:

5 * 6 * 20 = 600cm³

4 * 9 * 5 = 180 / 2= 90cm³

90:600

9:60

3:20

7 0
2 years ago
The two interior opposite Angel's of a triangle are 60° and 80°. Find the measure of the exterior angle. ​
Vadim26 [7]

let the exterior angle be x

x=60°+80°(being one exterior angle is equal to two interior angle)

x°=140°

5 0
2 years ago
If I could get help thank u
nika2105 [10]

An acute angle is infact 90 degrees, therefore your answer is correct.

6 0
2 years ago
Read 2 more answers
Write an equation for a circle with center at (5,-2) and diameter of 8 centimeters.
mars1129 [50]

Answer:

(x-5)^2+(y+2)^2=16

Step-by-step explanation:

lol brainlessly...

General Circle function: (x-h)^2+(y-k)^2=r^2, where h is the x-coordinate of the center, k is the y-coordinate of the center, and r is the radius.

The radius of the circle is half the diameter so: 8 / 2 = 4

The x-coordinate of the circle is 5

The y-coordinate of the circle is -2

Plug in.

(x-5)^2+(y-(-2))^2=4^2

(x-5)^2+(y+2)^2=16

5 0
3 years ago
Monica graphed the line y=3×+2.Janice graphs the second line that is parallel to monica's and passes through (-2,0). What is the
rewona [7]
The equation of a line that passes throug the point (x1,y1) and has  a sloppe of m is
y-y1=m(x-x1)

the slope of paralell lines ar the same

y=3x+2
y=mx+b
m=slope
m=3

a point is (-2,0)
slope is 3

y-0=3(x-(-2))
y=3(x+2)
y=3x+6
the equation is y=3x+6
4 0
3 years ago
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