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rusak2 [61]
3 years ago
9

The expression 3x2−5x2simplifies to −2x2 is this true?

Mathematics
2 answers:
Helga [31]3 years ago
5 0

Answer:

I dont think so I would look at it as how did they get the -2

PSYCHO15rus [73]3 years ago
4 0
No. It would be 6-10, which equals -4.
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7 0
3 years ago
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Teddy has two piggy banks. The difference in the amount of money between the two banks is no more than $10. One piggy bank has $
just olya [345]

Answer:

2.69≤x≤17.31

Step-by-step explanation:

Lety the amount in the other Piggy bank be x.

The difference in the amount of money between the two banks is no more than $10 is expressed as;

|x-7.31| ≤ 10

The value in the modulus sign can be positive or negative

If positive;

x-7.31 ≤ 10

x ≤ 10+7.31

x≤17.31

If negative

-(x-7.31) ≤ 10

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Multiply both sides by -1

x ≥ -2.69

The compound inequality representing the amount of money in the other bank is -2.69≤x≤17.31

4 0
2 years ago
What are like terms in math no looking it up thx
maksim [4K]

Answer:

<h2>See below</h2>

Step-by-step explanation:

Terms are variables in math.

For example: 5x + 6y = is NOT like becuase x and y equal different things

4x + 2x = is like becuase x equals the same number in both

The reason we care about like terms is because we can simplify like terms.

4x + 2x simply equals 6x.

I'm always happy to help :)

5 0
3 years ago
Put the following equation of a line into slope intercept form simplifying all fractions 10x-2y=6
Anarel [89]

Answer:

Slope-Intercept form:   y = m x + b

y = value of y corresponding to value of x

2 y = 10 x - 6

y = 5 x - 3         equation of line where m is the slope and -3 value of y when x                      

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3 0
2 years ago
Find the dot product of u=&lt;-8,9&gt; and v=&lt;5,-2&gt;
Damm [24]

Answer:

-58

Step-by-step explanation:

We are to find tfhe dot product of u=<-8,9> and v=<5,-2>

u*v = <-8,9>*<5,-2>

u*v = -8(5)+9(-2)

u*v = -40 - 18

u*v = -58

Hence the product of the vectors is -58

3 0
3 years ago
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