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KATRIN_1 [288]
3 years ago
12

What numbers add up to 31

Mathematics
1 answer:
kkurt [141]3 years ago
8 0
15 plus 16 equals 31
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Which statement correctly describes this expression? 2m^3 -11
julsineya [31]

Answer:

Option A is the correct answer

Step-by-step explanation:

A. The difference of twice the cube of a number and 11

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2 years ago
Angles helpppp plzzzzz and the plz explain with good details
slava [35]
ABF= 28 degrees
BCD= 28  degrees since vertical angle are congruent
ABC= 180 -28 = 152 degrees
5 0
3 years ago
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PLEASE HELP ME
e-lub [12.9K]

Answer:

C

Step-by-step explanation:

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8 0
3 years ago
How does this polynomial identity work on numerical relationships?<br> (y + x) (ax + b)
Serggg [28]

Let us take 'a' in the place of 'y' so the equation becomes

(y+x) (ax+b)

Step-by-step explanation:

<u>Step 1:</u>

(a + x) (ax + b)

<u>Step 2: Proof</u>

Checking polynomial identity.

(ax+b )(x+a) = FOIL

(ax+b)(x+a)

ax^2+a^2x is the First Term in the FOIL

ax^2 + a^2x + bx + ab

(ax+b)(x+a)+bx+ab is the Second Term in the FOIL

Add both expressions together from First and Second Term  

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<u>Step 3: Proof </u>

(ax+b)(x+a) = ax^2 + a^2x + bx + ab

Identity is Found .

Trying with numbers now

(ax+b)(x+a) = ax^2 + a^2x + bx + ab

((2*5)+8)(5+2) =(2*5^2)+(2^2*5)+(8*5)+(2*8)

((10)+8)(7) =(2*25)+(4*5)+(40)+(16)

(18)(7) =(50)+(20)+(56)

126 =126

3 0
3 years ago
HELP NEEDED PLEASE!!
kykrilka [37]
<YZW = <X = 63

hope it helps
3 0
3 years ago
Read 2 more answers
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