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3 years ago

Place the first digit divided 298 divided by 4

Mathematics

2 answers:

PIT_PIT [208]3 years ago

8 0

the first digit is 7 actual answer is 74.5

Tju [1.3M]3 years ago

6 0

The first digit is 7 in the real answer of 74.5

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Solve by completing a square r^2-8r+9

Tanzania [10]

Solving $r^2-8r+9$ by completing a square gives $(r+4)^2-7$

Step-by-step explanation:

We need to solve the equation $r^2-8r+9$ by completing a square

The completing a square method requires: $a^2\pm 2ab +b^2=(a\pm b)^2$

Solving:

$r^2-8r+9\\=(r)^2-2(r)(?)+(?)^2+9$

We need to add and subtract (4)^2=16 to make the equation a complete square

$=(r)^2-2(r)(4)+(4)^2-(4)^2+9\\=(r)^2-2(r)(4)+(4)^2-16+9\\=(r)^2-2(r)(4)+(4)^2-7\\=(r+4)^2-7$

So, Solving $r^2-8r+9$ by completing a square gives $(r+4)^2-7$

Keywords: Solve by completing a square

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7 0

3 years ago

For f(x)=4x+1 and g(x)=x^2-5 find (g/f)(x)

Ipatiy [6.2K]

$f(x)=4x+1\\\\g(x)=x^2-5\\\\(g/f)(x)=\dfrac{g(x)}{f(x)}=\dfrac{x^2-5}{4x+1}$

6 0

4 years ago

Read 2 more answers

What expression is equivalent to (x-3)^2

Masteriza [31]

Answer:(x-3)(x-3)

Step-by-step explanation:

7 0

3 years ago

Choose all numbers that are divisible by 2

Ad libitum [116K]

Answer:

13490.

this is right because 0 is an even number.

6 0

4 years ago

Dvinal [7]

Answer:

ans : x in terms of p is 15/p and if p is -5 than x= -3

Step-by-step explanation:

4( px +1 ) = 64

( Px + 1 ) = 64/4

px = 16 - 1

x = 15/p

and , if p= -5 than,

x = 15 / (-5)

= - 3

4 0

4 years ago