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Monica [59]
3 years ago
15

Find the number of terms in this polynomial 7b^7

Mathematics
1 answer:
shtirl [24]3 years ago
3 0

Answer:

1

Step-by-step explanation:

The number of terms in the polynomial;

7b^7

The number of terms in this polynomial is simply 1

Since the two are together, they are treated as a single term in the polynomial.

Take for example a quadratic polynomial;

3x^2 + 2x + 1

This is a polynomial with 3 terms.

All multiplications are treated as a single unit.

This is the case in terms of what we have too

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There are 33 of them altogether and pay £311 in total. How many kids are in the family? Adults pay £15 and kids pay £7
Marrrta [24]

Answer:

Step-by-step explanation

  1. Let x be the number of adults and y the number of kids

We can then write this two equations :

          x+y= 33

          15x+7y= 311

  • let's solve the two eaquations

to do that we should combine them both in a way that help us get rid of one of the variables.

             Let's multiply the first equation by -7 to get rid of y by adding it to thr second equation

             -7x-7y= -231

        now add both equations .

              15x+7y-7x-7y=311-231

    we get :  8x = 80

as you notice y is gone and we get a classic easy equation to solve

                x= 80/8

                   = 10

so the number of adults is 10

let's go back to the first equation ( x+y= 33) and replace x with 10

                10+y= 33

                  y= 33-10

                     =23

let's check using the second equation :

            (10*15)+(23*7) = 311

that is true

so :

  •  the number of adults is 10
  • the number of kids is 23
4 0
3 years ago
9-6m=3m it’s due at 12
valina [46]

Answer:

m=1

Step-by-step explanation:

add 6 to both sides, 9=9m

divide 9 on both sides, m=1

8 0
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Answer:

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Step-by-step explanation:

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Dahasolnce [82]

Answer:

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Step-by-step explanation:

Hope this help.

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C because if the line Q is 1,5 and 1,8, it would have to be a vertical line, as the X axis doesn’t change. As i know, a vertical line always has a slope of 0, and a horizontal line (which the x-axis is) always has an undefined slope.
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