Answer: 3x²−8x−3y
Step-by-step explanation: Combine Like Terms:
=7y+2x+−10y+3x2+−10x
=(3x2)+(2x+−10x)+(7y+−10y)
=3x2+−8x+−3y
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Answer:
12w + 21 =3(4w+7)
Step-by-step explanation:
12 and 21 are multiples of 3 so factor out 3
12w + 21 =3(4w+7)
The answer I got is 420. Since 4.20 = 420/100
RO divides the rectangle into two congruent right triangles.
The area of the one triangle is equal half area of the rectangle.
Calculate the area of rectangle:
The area of right triangle:
Use the Pythagorean theorem to calculate the length of RO:
The formula of an area of this right triangle is:
Therefore we have the equation:
Answer:
$328.13
Step-by-step explanation:
First, find the amount of time she works every day.
Between 8:45 and 5:15, there are 8.5 hours.
Subtract 1 for her lunch break, so there are 7.5 hours worked every day
Then, calculate how much she gets every day:
7.5(8.75)
= $65.625
Multiply this by 5 to find her pay for the week:
65.625(5)
= $328.13 is her total pay for the week