A student used his place value chart to show a number. After the teacher instructed him to divide his number by 100, the chart showed 7,342,800 Draw a picture of what the place value chart looked like at first.
Answers
Answer 1
Answer:
Astudent divided the given number by 100 that resulted to 28.003 in his chart.So what we are looking for this situation is the value of the number before itwas divided by 100.
To get the value, simply multiply the result by 100
28.003 x 100
=2800.3
To get the value, simply multiply the result by 100
28.003 x 100
=2800.3
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Answers
the answer is 44 minutes
Answers
24 is 40% of 60.
Answer:
60
Step-by-step explanation:
24 is 40% of 60
4x+8y=-24
Answers
Your going to add the two equations to cancel out the x term. You get 6y=-36. Divide both sides by 6 and you get y=-6. Plug y in in your first equation and you'll get -4x-2(-6)=-12. Multiply the -2 by the -6 and you'll get -4x+12=-12. Subtract 12 from both sides and you get -4x=-24. Divide both sides by -4 and you get x=6. Your final answer is x=6, y=-6.
-4x-2y=-12
4x+8y=-24
Cancel out the x
6y=-36
Divide both sides by 6
y=-6
Substitute the value of y to any equation
-4x-2y=-12
-4x-2[-6]=-12
-4x+12=-12
-4x=-24
Divide both sides by -4
x=6
4x+8y=-24
Cancel out the x
6y=-36
Divide both sides by 6
y=-6
Substitute the value of y to any equation
-4x-2y=-12
-4x-2[-6]=-12
-4x+12=-12
-4x=-24
Divide both sides by -4
x=6
Answers
Not even one.
2/5 is only 4/5 of a full half.
To find that answer, divide 2/5 by 1/2 .
2/5×1/2=1/5
So it should be 1/5
So it should be 1/5
Answers
do those 2 equaiton you did
minus x on top
y=10-x
sub for y
x(10-x)=12
distribute
10x-x^2=12
minus (10x-x^2) both sides
0=x^2-10x+12
use quadratic formula
in form
ax^2+bx+c=0
x=
a=1
b=-10
c=12
x=%2B%2F-%20%5Csqrt%7B(-10)%5E%7B2%7D-4(1)(12)%7D%20%7D%7B2(1)%7D)
x=
x=
x=
x=
x=
or 
aprox
x=1.39445 or 8.60555
those are the 2 numbers since x and y can switch
minus x on top
y=10-x
sub for y
x(10-x)=12
distribute
10x-x^2=12
minus (10x-x^2) both sides
0=x^2-10x+12
use quadratic formula
in form
ax^2+bx+c=0
x=
a=1
b=-10
c=12
x=
x=
x=
x=
x=
x=
aprox
x=1.39445 or 8.60555
those are the 2 numbers since x and y can switch
I would make a list of the factors of 12. 1 and 12; 2 and 6; 3 and 4. However none of these add to 10. I would talk to a teacher about this one, since none of the answers are apparent at the moment. I will keep working.
Answers
4.05 because it said estimate
26.80 x .15 gives you the answer, which is $4.02 in tip