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DiKsa [7]
3 years ago
14

What is the product of (3a + 2)(4a2 – 2a + 9)?

Mathematics
1 answer:
V125BC [204]3 years ago
4 0

Answer:

D

Step-by-step explanation:

Multiply each term in the first expression by each term in the second expression and combine like terms.

12a3+2a2+23a+18

-hope it helps

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What are the constants<br> in the equation 3x+2y+4
Natalija [7]

Answer:

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Step-by-step explanation:

The constant is the number without a variable, usually being added or subtracted from the variable but not multiplied or divided by it.

8 0
3 years ago
∠1 ​ and ∠2 are complementary.
Kazeer [188]
If angles are complementary, they add up to 90 whereas when they are supplementary, the add up to 180. So now let's focus on this problem. It says angle 1 and 2 are complementary. Therefore;
angle 1 + angle 2 =90
x+(3x+30)=90
x+3x+30=90
4x+30=90
-30 -30
4x=60
4/4x=60/4
x=15
Therefore, the value of x is 15
6 0
3 years ago
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jeka57 [31]

Answer:

It dropped 8 degrees so the answer must be -8

Step-by-step explanation:

6 0
3 years ago
The angles in a triangle are in the ratio 1: 2: 3 Show that the triangle is a right angles triangle. Any help? Please ❤
lidiya [134]
If it is a ratio of 1:2:3 then it has to be a 30 60 90 triangle in order for it to be a right triangle 
5 0
3 years ago
PLEASE HELP IF YOU KNOW HOW TO EXPLAIN
Eduardwww [97]

Answer:

cos Q = 28/53

Step-by-step explanation:

cosine = CAH

          = Adjacent / Hypotenuse

adjacent length 25 and hypotenuse is 53

hope this helps!

3 0
3 years ago
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