Answer is C => 4(80+20)-12 => 4(100)-12 =>400-12 => 388
Well i need to know your scatter plot or how it looks like at least
Answer:
133.2
Step-by-step explanation:
First take off the 40%
740 - (40/100)*740
740 - 0.4 * 740
740 - 296
444
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That answer of 444 is the new selling price.
Now you take 30% of 444
30% of 444
30/100 * 444
0.3 * 444
133.2
Joseph will have to pay 133.2 dollars for the TV he want.
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One Step
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You could do this problem all in one step
30% (740*60% )
0.3 ( 740*0.6)
0.3(444)
133.2
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Both methods give the same answer.
Answer:
Let's solve for x.
5x−4y=−23−5x+9y
Step 1: Add 5x to both sides.
5x−4y+5x=−5x+9y−23+5x
10x−4y=9y−23
Step 2: Add 4y to both sides.
10x−4y+4y=9y−23+4y
10x=13y−23
Step 3: Divide both sides by 10.
10x
10
=
13y−23
10
x=
13
10
y+
−23
10
Answer:
x=
13
10
y+
−23
10
Step-by-step explanation:
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We have to set up 2 different equations if we are to solve for 2 unknowns. The first equation is x = y + 4. One number (x) is (=) 4 more than another (y + 4). Since we have determined that x is larger (cuz it's 4 more than y), when we set up their difference, we are going to subtract y from x cuz x is bigger. The second equation then is
. In our first equation we said that x = y + 4, so let's sub that value in for x in the second equation:
. Expand that binomial to get
. Of course the y squared terms cancel each other out leaving us with 8y + 16 = 64. Solving for y we get that y = 6. Subbing 6 in for y in our first equation, x = 6 + 4 tells us that x = 10. Yay!