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Rudik [331]
3 years ago
11

What is the sum of the polynomials?

Mathematics
2 answers:
Marizza181 [45]3 years ago
8 0

-  {x}^{2}  + 9  - 3 {x}^{2}  - 11x + 4 \\  =  - 4 {x}^{2}  - 11x + 13

2nd answer

notka56 [123]3 years ago
4 0

Answer:

Option B. -4x² - 11x + 13

Step-by-step explanation:

Given polynomials are ( -x² + 9 ) and ( -3x² - 11x + 4 )

We have to add them.

( -x² + 9 ) + -3x² - 11x + 4 )

-x² + 9 - 3x² - 11x + 4

Now we will collect similar terms

( -x² - 3x² ) - 11x + ( 9 + 4 )

-4x² - 11x + 13

Therefore, option B is the answer.

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ivolga24 [154]

In order to figure this out, you must solve the equation.

1-6x=7 (given)

-6x=6 (subtract 1 from both sides)

X=-1 (divide both sides by -6)

The answer is no.

5 0
3 years ago
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Then all you do is divide the right side of the equation(or equals sign) by w because your goal is to get whatever you're solving for by itself.

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Find the value of the expression 2x2 - 4x2 + 7x – 7 if x= 3. What is the value if x = 2?
vichka [17]

Answer:

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Step-by-step explanation:

5 0
3 years ago
A yard fabric costs $12.99. How much will 2 feet cost?
Angelina_Jolie [31]
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3 0
3 years ago
Kim rode her biyciclye 135 miles in 9 weeks. Eric rode her biciclye 102 miles in 6 weeks riding the sam edistance each week what
sdas [7]

Answer:

A.) Eric rode 2 more miles per week than Kim rode

Step-by-step explanation:

A.) Eric rode 2 more miles per week than Kim rode

B.)Kim rode 3 more miles per week than Erick rode

C.) Kim rode 11 more miles per week than Erick rode

D.) Eric rode 17 more miles per week than Kim rode

Kim rode her biyciclye 135 miles in 9 weeks.

Number of miles Kim rode per week = Total miles travelled / number of weeks

= 135 miles / 9 weeks

= 15 miles per week

Eric rode her biciclye 102 miles in 6 weeks

Number of miles Eric rode per week = Total miles travelled / number of weeks

= 102 miles / 6 weeks

= 17 miles per week

The correct answer is

A.) Eric rode 2 more miles per week than Kim rode

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3 years ago
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