3 years ago

How many terms are in the expression below n2 + 6n - 3

1 answer:

7 0

There is three terms in the expression "n2+6n-3".

In Algebra a term is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs, or sometimes by divide.

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The length of a rectangle is three more than twice its width the perimeter of a rectangle is 42 cm what is the length of the rec

Maurinko [17]

Answer:

The length of the rectangle is 15 cm.

Step-by-step explanation:

breadth(b)=?

length(l)= 3+2b

perimeter(P)= 42 cm

Now,

P = 2 ( l+b )

or, 42= 2 ( 3+2b+b)

or, 42 = 2 ( 3+3b)

or, $\frac{42}{2}$ = 3+3b

or, 21 = 3+3b

or, 21-3 =3b

or, 18 = 3b

or, $\frac{18}{3}$ = b

or, 6 = b

Here, Breadth(b)= 6 cm

Length (l) = 3 + 2*6

= 3 + 12

=15 cm

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3 years ago

4x+6+ 3=-8 2 What is x? 4x+6 <<<< 2 <<< It’s a fraction

Andreas93 [3]

Answer:

-17/4

Step-by-step explanation:

4x+6+3=-8

4x+9=-8

-9 -9

4x=-17

÷4 ÷4

X=-17⁄4

6 0

2 years ago

Using the quadratic formula I can't remember what to do next

Advocard [28]

Answer: you square root it.

5r^2/5 = 80/5 =16

Sqr root of r^2=Sqr root of 16

r=4

Step-by-step explanation:

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3 years ago

Find f(-11/5) if f(n) = 5n + 6

V125BC [204]

Answer:

f(-11/5) = -5

Step-by-step explanation:

f(n) = 5n + 6

Let x = -11/5

f(-11/5) = 5*-11/5 +6

= -11 +6

= -5

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3 years ago

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agasfer [191]

Answer:

102

Step-by-step explanation:

8 0

2 years ago