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kotegsom [21]
3 years ago
7

What is the answer to : 2x (4+3) -5 x [4-(9-7)] ??

Mathematics
2 answers:
ZanzabumX [31]3 years ago
6 0

Answer:

8×+6×-5×{2}

8×+6×-10×

14×-10×

4×

Sergeu [11.5K]3 years ago
4 0

calculation: 2x(4+3)-5x[4-(9-7)]

2x × 7-5x [4-(9-7)]

14x - 5x [4-(9-7)]

14x - 5x [2]

14x -5x × 2

14x - 10x

4x

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PLEASE HELP!!!
Stolb23 [73]
After you (correctly) answered part-2, you knew the total bill . . .

             (13.75 + 5%) + 15% on top of that.

             (13.75) + (0.69)  + (2.17)  =  $16.60 .

If they split the bill equally, each would pay  (1/2) (16.60) =  $8.30 .

But Arif wants to pay $3 more than Keisha.

Just take $1.50 away from Keisha's half (leave $6.80),
and add it on to Arif's half (make it $9.80).  Then their
total is the same, but his share is $3 more than her share.

                        $9.80  +  $6.80  =  $16.60

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4 0
3 years ago
Reason abstractly.
sdas [7]

Answer:

C. <em>X</em> is not blue.

Step-by-step explanation:

Hi there!

We're given that if <em>X</em> is blue, then <em>Y</em> is gold, but <em>Y</em> is not gold.

Therefore, there is no way that <em>X</em> is blue, because if it was, then <em>Y</em> <em>would</em> be gold. But it's not, so <em>X</em> is not blue.

I hope this helps!

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3 years ago
Find the range value of x which satistfy inequality (x + 2)² &gt; 2x + 7
nlexa [21]

Answer:

the range value of x which satisfy inequality (x + 2)^2 > 2x + 7 is \mathbf{x>1 \ or \ x

Step-by-step explanation:

We need to find the range value of x which satisfy inequality (x + 2)^2 > 2x + 7

Solving:

(x + 2)^2 > 2x + 7

Using formula: (a+b)^2=a^2+2ab+b^2

x^2+4x+4>2x+7\\x^2+4x+4-2x-7>0\\x^2+4x-2x+4-7>0\\x^2+2x-3>0

Now factoring the term: x^2+2x-3>0

Breaking the middle term: 2x= 3x-x

x^2+2x-3>0\\x^2+3x-x-3>0\\x(x+3)-1(x+3)>0\\(x-1)(x+3)>0\\x-1>0 \ or \ x+3>0\\x>1 \ or \ x

So, the range value of x which satisfy inequality (x + 2)^2 > 2x + 7 is \mathbf{x>1 \ or \ x

7 0
3 years ago
Which point is on the line y=-2x+3
nekit [7.7K]

Answer:

(0,3)

Step-by-step explanation:

in y=mx+b form the b is the point that intersects the y axis but it is also a point on the line.

3 0
3 years ago
If I had 20 dollars every other week for a year how much would I have
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You’d have 520 Dollars
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